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<a href="#nested-classes">Classes</a> |
<a href="#pub-types">Public Types</a> |
<a href="#pub-methods">Public Member Functions</a> |
<a href="classTreeViewItem-members.html">List of all members</a> </div>
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<div class="title">TreeViewItem Class Reference<span class="mlabels"><span class="mlabel">abstract</span></span></div> </div>
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<p>An item in a treeview.
<a href="classTreeViewItem.html#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem_1_1OpennessRestorer.html">OpennessRestorer</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">This handy class takes a copy of a <a class="el" href="classTreeViewItem.html" title="An item in a treeview. ">TreeViewItem</a>'s openness when you create it, and restores that openness state when its destructor is called. <a href="classTreeViewItem_1_1OpennessRestorer.html#details">More...</a><br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
Public Types</h2></td></tr>
<tr class="memitem:aeb42402ed8e34ef5af931a762fd55bbd"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#aeb42402ed8e34ef5af931a762fd55bbd">Openness</a> { <a class="el" href="classTreeViewItem.html#aeb42402ed8e34ef5af931a762fd55bbdaefa0abae48909ab7a14a0a6484be7d25">opennessDefault</a> = 0,
<a class="el" href="classTreeViewItem.html#aeb42402ed8e34ef5af931a762fd55bbdab61b2e3b4e60fb2ba1f6902987596420">opennessClosed</a> = 1,
<a class="el" href="classTreeViewItem.html#aeb42402ed8e34ef5af931a762fd55bbda8438197504704ddb2cf2bdb69d53fe57">opennessOpen</a> = 2
}<tr class="memdesc:aeb42402ed8e34ef5af931a762fd55bbd"><td class="mdescLeft"> </td><td class="mdescRight">An enum of states to describe the explicit or implicit openness of an item. <a href="classTreeViewItem.html#aeb42402ed8e34ef5af931a762fd55bbd">More...</a><br /></td></tr>
</td></tr>
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</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a442058a1c6d9eef0aa6f8b918fcbf8d6"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#a442058a1c6d9eef0aa6f8b918fcbf8d6">TreeViewItem</a> ()</td></tr>
<tr class="memdesc:a442058a1c6d9eef0aa6f8b918fcbf8d6"><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <a href="#a442058a1c6d9eef0aa6f8b918fcbf8d6">More...</a><br /></td></tr>
<tr class="separator:a442058a1c6d9eef0aa6f8b918fcbf8d6"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a096327dbe3300e99a80eff28f0e20a14"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#a096327dbe3300e99a80eff28f0e20a14">~TreeViewItem</a> ()</td></tr>
<tr class="memdesc:a096327dbe3300e99a80eff28f0e20a14"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <a href="#a096327dbe3300e99a80eff28f0e20a14">More...</a><br /></td></tr>
<tr class="separator:a096327dbe3300e99a80eff28f0e20a14"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae2357524e0d096bcde729ae99b03a38c"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#ae2357524e0d096bcde729ae99b03a38c">getNumSubItems</a> () const noexcept</td></tr>
<tr class="memdesc:ae2357524e0d096bcde729ae99b03a38c"><td class="mdescLeft"> </td><td class="mdescRight">Returns the number of sub-items that have been added to this item. <a href="#ae2357524e0d096bcde729ae99b03a38c">More...</a><br /></td></tr>
<tr class="separator:ae2357524e0d096bcde729ae99b03a38c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad12c774c2434074f795ba37a5c2d1755"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classTreeViewItem.html">TreeViewItem</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#ad12c774c2434074f795ba37a5c2d1755">getSubItem</a> (int index) const noexcept</td></tr>
<tr class="memdesc:ad12c774c2434074f795ba37a5c2d1755"><td class="mdescLeft"> </td><td class="mdescRight">Returns one of the item's sub-items. <a href="#ad12c774c2434074f795ba37a5c2d1755">More...</a><br /></td></tr>
<tr class="separator:ad12c774c2434074f795ba37a5c2d1755"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a3e5f73cd812c6626047d38307560aaeb"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#a3e5f73cd812c6626047d38307560aaeb">clearSubItems</a> ()</td></tr>
<tr class="memdesc:a3e5f73cd812c6626047d38307560aaeb"><td class="mdescLeft"> </td><td class="mdescRight">Removes any sub-items. <a href="#a3e5f73cd812c6626047d38307560aaeb">More...</a><br /></td></tr>
<tr class="separator:a3e5f73cd812c6626047d38307560aaeb"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a536e1e4edaf0b0a472c485050d54eb5a"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#a536e1e4edaf0b0a472c485050d54eb5a">addSubItem</a> (<a class="el" href="classTreeViewItem.html">TreeViewItem</a> *newItem, int insertPosition=-1)</td></tr>
<tr class="memdesc:a536e1e4edaf0b0a472c485050d54eb5a"><td class="mdescLeft"> </td><td class="mdescRight">Adds a sub-item. <a href="#a536e1e4edaf0b0a472c485050d54eb5a">More...</a><br /></td></tr>
<tr class="separator:a536e1e4edaf0b0a472c485050d54eb5a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:adb5e41812e3efba115ded6bf59fd4f72"><td class="memTemplParams" colspan="2">template<class ElementComparator > </td></tr>
<tr class="memitem:adb5e41812e3efba115ded6bf59fd4f72"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#adb5e41812e3efba115ded6bf59fd4f72">addSubItemSorted</a> (ElementComparator &comparator, <a class="el" href="classTreeViewItem.html">TreeViewItem</a> *newItem)</td></tr>
<tr class="memdesc:adb5e41812e3efba115ded6bf59fd4f72"><td class="mdescLeft"> </td><td class="mdescRight">Adds a sub-item with a sort-comparator, assuming that the existing items are already sorted. <a href="#adb5e41812e3efba115ded6bf59fd4f72">More...</a><br /></td></tr>
<tr class="separator:adb5e41812e3efba115ded6bf59fd4f72"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a80b8910184619d952841a1b93d4b75c4"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#a80b8910184619d952841a1b93d4b75c4">removeSubItem</a> (int index, bool deleteItem=true)</td></tr>
<tr class="memdesc:a80b8910184619d952841a1b93d4b75c4"><td class="mdescLeft"> </td><td class="mdescRight">Removes one of the sub-items. <a href="#a80b8910184619d952841a1b93d4b75c4">More...</a><br /></td></tr>
<tr class="separator:a80b8910184619d952841a1b93d4b75c4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a002342e5b39ddf192d445b2bdd16d086"><td class="memTemplParams" colspan="2">template<class ElementComparator > </td></tr>
<tr class="memitem:a002342e5b39ddf192d445b2bdd16d086"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#a002342e5b39ddf192d445b2bdd16d086">sortSubItems</a> (ElementComparator &comparator)</td></tr>
<tr class="memdesc:a002342e5b39ddf192d445b2bdd16d086"><td class="mdescLeft"> </td><td class="mdescRight">Sorts the list of sub-items using a standard array comparator. <a href="#a002342e5b39ddf192d445b2bdd16d086">More...</a><br /></td></tr>
<tr class="separator:a002342e5b39ddf192d445b2bdd16d086"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af5f9ce78c2bc579d308a7048c59a0a3c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classTreeView.html">TreeView</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#af5f9ce78c2bc579d308a7048c59a0a3c">getOwnerView</a> () const noexcept</td></tr>
<tr class="memdesc:af5f9ce78c2bc579d308a7048c59a0a3c"><td class="mdescLeft"> </td><td class="mdescRight">Returns the <a class="el" href="classTreeView.html" title="A tree-view component. ">TreeView</a> to which this item belongs. <a href="#af5f9ce78c2bc579d308a7048c59a0a3c">More...</a><br /></td></tr>
<tr class="separator:af5f9ce78c2bc579d308a7048c59a0a3c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2ab42bc65bc8ad845d6deea5ff4572ae"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classTreeViewItem.html">TreeViewItem</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#a2ab42bc65bc8ad845d6deea5ff4572ae">getParentItem</a> () const noexcept</td></tr>
<tr class="memdesc:a2ab42bc65bc8ad845d6deea5ff4572ae"><td class="mdescLeft"> </td><td class="mdescRight">Returns the item within which this item is contained. <a href="#a2ab42bc65bc8ad845d6deea5ff4572ae">More...</a><br /></td></tr>
<tr class="separator:a2ab42bc65bc8ad845d6deea5ff4572ae"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aac59d4198c7dc470ef45f705b23621e9"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#aac59d4198c7dc470ef45f705b23621e9">isOpen</a> () const noexcept</td></tr>
<tr class="memdesc:aac59d4198c7dc470ef45f705b23621e9"><td class="mdescLeft"> </td><td class="mdescRight">True if this item is currently open in the treeview. <a href="#aac59d4198c7dc470ef45f705b23621e9">More...</a><br /></td></tr>
<tr class="separator:aac59d4198c7dc470ef45f705b23621e9"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae1d86e63026471f8edea97f7dc5fd05f"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#ae1d86e63026471f8edea97f7dc5fd05f">setOpen</a> (bool shouldBeOpen)</td></tr>
<tr class="memdesc:ae1d86e63026471f8edea97f7dc5fd05f"><td class="mdescLeft"> </td><td class="mdescRight">Opens or closes the item. <a href="#ae1d86e63026471f8edea97f7dc5fd05f">More...</a><br /></td></tr>
<tr class="separator:ae1d86e63026471f8edea97f7dc5fd05f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af91df7aae2d59b7f4e40297e8a8175de"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classTreeViewItem.html#aeb42402ed8e34ef5af931a762fd55bbd">Openness</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#af91df7aae2d59b7f4e40297e8a8175de">getOpenness</a> () const noexcept</td></tr>
<tr class="memdesc:af91df7aae2d59b7f4e40297e8a8175de"><td class="mdescLeft"> </td><td class="mdescRight">Returns the openness state of this item. <a href="#af91df7aae2d59b7f4e40297e8a8175de">More...</a><br /></td></tr>
<tr class="separator:af91df7aae2d59b7f4e40297e8a8175de"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:adb9512d6c59c0cc89d8e4336a01b9897"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#adb9512d6c59c0cc89d8e4336a01b9897">setOpenness</a> (<a class="el" href="classTreeViewItem.html#aeb42402ed8e34ef5af931a762fd55bbd">Openness</a> newOpenness)</td></tr>
<tr class="memdesc:adb9512d6c59c0cc89d8e4336a01b9897"><td class="mdescLeft"> </td><td class="mdescRight">Opens or closes the item. <a href="#adb9512d6c59c0cc89d8e4336a01b9897">More...</a><br /></td></tr>
<tr class="separator:adb9512d6c59c0cc89d8e4336a01b9897"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a96351e2c95b73bf170b8818774a63cf6"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#a96351e2c95b73bf170b8818774a63cf6">isSelected</a> () const noexcept</td></tr>
<tr class="memdesc:a96351e2c95b73bf170b8818774a63cf6"><td class="mdescLeft"> </td><td class="mdescRight">True if this item is currently selected. <a href="#a96351e2c95b73bf170b8818774a63cf6">More...</a><br /></td></tr>
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<tr class="memitem:a8db67708fff7b1da9fbcaa25a6494aa1"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#a8db67708fff7b1da9fbcaa25a6494aa1">setSelected</a> (bool shouldBeSelected, bool deselectOtherItemsFirst, <a class="el" href="juce__NotificationType_8h.html#a25a31a4bdc02a0d0adb743e26dd14ba9">NotificationType</a> shouldNotify=<a class="el" href="juce__NotificationType_8h.html#a25a31a4bdc02a0d0adb743e26dd14ba9ad9a3eff1d1ddebf33141da7cf581be4c">sendNotification</a>)</td></tr>
<tr class="memdesc:a8db67708fff7b1da9fbcaa25a6494aa1"><td class="mdescLeft"> </td><td class="mdescRight">Selects or deselects the item. <a href="#a8db67708fff7b1da9fbcaa25a6494aa1">More...</a><br /></td></tr>
<tr class="separator:a8db67708fff7b1da9fbcaa25a6494aa1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9263a18573cce52347899cb209d4feff"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classRectangle.html">Rectangle</a>< int > </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#a9263a18573cce52347899cb209d4feff">getItemPosition</a> (bool relativeToTreeViewTopLeft) const noexcept</td></tr>
<tr class="memdesc:a9263a18573cce52347899cb209d4feff"><td class="mdescLeft"> </td><td class="mdescRight">Returns the rectangle that this item occupies. <a href="#a9263a18573cce52347899cb209d4feff">More...</a><br /></td></tr>
<tr class="separator:a9263a18573cce52347899cb209d4feff"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aab2752eec271a51384fd10121a911ee1"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#aab2752eec271a51384fd10121a911ee1">treeHasChanged</a> () const noexcept</td></tr>
<tr class="memdesc:aab2752eec271a51384fd10121a911ee1"><td class="mdescLeft"> </td><td class="mdescRight">Sends a signal to the treeview to make it refresh itself. <a href="#aab2752eec271a51384fd10121a911ee1">More...</a><br /></td></tr>
<tr class="separator:aab2752eec271a51384fd10121a911ee1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa728a2bcde2b3cd8fca4360dbfe9f99d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#aa728a2bcde2b3cd8fca4360dbfe9f99d">repaintItem</a> () const</td></tr>
<tr class="memdesc:aa728a2bcde2b3cd8fca4360dbfe9f99d"><td class="mdescLeft"> </td><td class="mdescRight">Sends a repaint message to redraw just this item. <a href="#aa728a2bcde2b3cd8fca4360dbfe9f99d">More...</a><br /></td></tr>
<tr class="separator:aa728a2bcde2b3cd8fca4360dbfe9f99d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae3809bbfa55ccd973205f5580fa0776c"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#ae3809bbfa55ccd973205f5580fa0776c">getRowNumberInTree</a> () const noexcept</td></tr>
<tr class="memdesc:ae3809bbfa55ccd973205f5580fa0776c"><td class="mdescLeft"> </td><td class="mdescRight">Returns the row number of this item in the tree. <a href="#ae3809bbfa55ccd973205f5580fa0776c">More...</a><br /></td></tr>
<tr class="separator:ae3809bbfa55ccd973205f5580fa0776c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9c5a3bd296fe6eb6f3edc6310e723a0c"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#a9c5a3bd296fe6eb6f3edc6310e723a0c">areAllParentsOpen</a> () const noexcept</td></tr>
<tr class="memdesc:a9c5a3bd296fe6eb6f3edc6310e723a0c"><td class="mdescLeft"> </td><td class="mdescRight">Returns true if all the item's parent nodes are open. <a href="#a9c5a3bd296fe6eb6f3edc6310e723a0c">More...</a><br /></td></tr>
<tr class="separator:a9c5a3bd296fe6eb6f3edc6310e723a0c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a7d398fd97dcd6566043fd1c1da202233"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#a7d398fd97dcd6566043fd1c1da202233">setLinesDrawnForSubItems</a> (bool shouldDrawLines) noexcept</td></tr>
<tr class="memdesc:a7d398fd97dcd6566043fd1c1da202233"><td class="mdescLeft"> </td><td class="mdescRight">Changes whether lines are drawn to connect any sub-items to this item. <a href="#a7d398fd97dcd6566043fd1c1da202233">More...</a><br /></td></tr>
<tr class="separator:a7d398fd97dcd6566043fd1c1da202233"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1d4dc3f8e9971147e2649a128bd0344d"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#a1d4dc3f8e9971147e2649a128bd0344d">mightContainSubItems</a> ()=0</td></tr>
<tr class="memdesc:a1d4dc3f8e9971147e2649a128bd0344d"><td class="mdescLeft"> </td><td class="mdescRight">Tells the tree whether this item can potentially be opened. <a href="#a1d4dc3f8e9971147e2649a128bd0344d">More...</a><br /></td></tr>
<tr class="separator:a1d4dc3f8e9971147e2649a128bd0344d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aaabafd453aa403ab00163c856280c388"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="classString.html">String</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#aaabafd453aa403ab00163c856280c388">getUniqueName</a> () const</td></tr>
<tr class="memdesc:aaabafd453aa403ab00163c856280c388"><td class="mdescLeft"> </td><td class="mdescRight">Returns a string to uniquely identify this item. <a href="#aaabafd453aa403ab00163c856280c388">More...</a><br /></td></tr>
<tr class="separator:aaabafd453aa403ab00163c856280c388"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae675d65af3c2ab3455b98aa6d025d070"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#ae675d65af3c2ab3455b98aa6d025d070">itemOpennessChanged</a> (bool isNowOpen)</td></tr>
<tr class="memdesc:ae675d65af3c2ab3455b98aa6d025d070"><td class="mdescLeft"> </td><td class="mdescRight">Called when an item is opened or closed. <a href="#ae675d65af3c2ab3455b98aa6d025d070">More...</a><br /></td></tr>
<tr class="separator:ae675d65af3c2ab3455b98aa6d025d070"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af087cb931e9d425fdd46edd2121e9a2b"><td class="memItemLeft" align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#af087cb931e9d425fdd46edd2121e9a2b">getItemWidth</a> () const</td></tr>
<tr class="memdesc:af087cb931e9d425fdd46edd2121e9a2b"><td class="mdescLeft"> </td><td class="mdescRight">Must return the width required by this item. <a href="#af087cb931e9d425fdd46edd2121e9a2b">More...</a><br /></td></tr>
<tr class="separator:af087cb931e9d425fdd46edd2121e9a2b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a20fcee0edadfed43cfb2277382887cd5"><td class="memItemLeft" align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#a20fcee0edadfed43cfb2277382887cd5">getItemHeight</a> () const</td></tr>
<tr class="memdesc:a20fcee0edadfed43cfb2277382887cd5"><td class="mdescLeft"> </td><td class="mdescRight">Must return the height required by this item. <a href="#a20fcee0edadfed43cfb2277382887cd5">More...</a><br /></td></tr>
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<tr class="memitem:a89e1ecf284bf2bce94cf60b457f7964c"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#a89e1ecf284bf2bce94cf60b457f7964c">canBeSelected</a> () const</td></tr>
<tr class="memdesc:a89e1ecf284bf2bce94cf60b457f7964c"><td class="mdescLeft"> </td><td class="mdescRight">You can override this method to return false if you don't want to allow the user to select this item. <a href="#a89e1ecf284bf2bce94cf60b457f7964c">More...</a><br /></td></tr>
<tr class="separator:a89e1ecf284bf2bce94cf60b457f7964c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af821a303a31a9256e00b94ff8fe2595d"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="classComponent.html">Component</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#af821a303a31a9256e00b94ff8fe2595d">createItemComponent</a> ()</td></tr>
<tr class="memdesc:af821a303a31a9256e00b94ff8fe2595d"><td class="mdescLeft"> </td><td class="mdescRight">Creates a component that will be used to represent this item. <a href="#af821a303a31a9256e00b94ff8fe2595d">More...</a><br /></td></tr>
<tr class="separator:af821a303a31a9256e00b94ff8fe2595d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:adc3e3a7c09443e28b1f48fe10b9569b2"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#adc3e3a7c09443e28b1f48fe10b9569b2">paintItem</a> (<a class="el" href="classGraphics.html">Graphics</a> &g, int width, int height)</td></tr>
<tr class="memdesc:adc3e3a7c09443e28b1f48fe10b9569b2"><td class="mdescLeft"> </td><td class="mdescRight">Draws the item's contents. <a href="#adc3e3a7c09443e28b1f48fe10b9569b2">More...</a><br /></td></tr>
<tr class="separator:adc3e3a7c09443e28b1f48fe10b9569b2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a23749ce8fd2226cfe5ffda3af36a843d"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#a23749ce8fd2226cfe5ffda3af36a843d">paintOpenCloseButton</a> (<a class="el" href="classGraphics.html">Graphics</a> &, const <a class="el" href="classRectangle.html">Rectangle</a>< float > &area, <a class="el" href="classColour.html">Colour</a> backgroundColour, bool isMouseOver)</td></tr>
<tr class="memdesc:a23749ce8fd2226cfe5ffda3af36a843d"><td class="mdescLeft"> </td><td class="mdescRight">Draws the item's open/close button. <a href="#a23749ce8fd2226cfe5ffda3af36a843d">More...</a><br /></td></tr>
<tr class="separator:a23749ce8fd2226cfe5ffda3af36a843d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac1d9a9fb29727496e4149d9f5593f16e"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#ac1d9a9fb29727496e4149d9f5593f16e">paintHorizontalConnectingLine</a> (<a class="el" href="classGraphics.html">Graphics</a> &, const <a class="el" href="classLine.html">Line</a>< float > &line)</td></tr>
<tr class="memdesc:ac1d9a9fb29727496e4149d9f5593f16e"><td class="mdescLeft"> </td><td class="mdescRight">Draws the line that connects this item to the vertical line extending below its parent. <a href="#ac1d9a9fb29727496e4149d9f5593f16e">More...</a><br /></td></tr>
<tr class="separator:ac1d9a9fb29727496e4149d9f5593f16e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aef65553f9c368989185c07be261c3dbd"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#aef65553f9c368989185c07be261c3dbd">paintVerticalConnectingLine</a> (<a class="el" href="classGraphics.html">Graphics</a> &, const <a class="el" href="classLine.html">Line</a>< float > &line)</td></tr>
<tr class="memdesc:aef65553f9c368989185c07be261c3dbd"><td class="mdescLeft"> </td><td class="mdescRight">Draws the line that extends vertically up towards one of its parents, or down to one of its children. <a href="#aef65553f9c368989185c07be261c3dbd">More...</a><br /></td></tr>
<tr class="separator:aef65553f9c368989185c07be261c3dbd"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1d16cbc797adba8e7dda4db01f868f72"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#a1d16cbc797adba8e7dda4db01f868f72">itemClicked</a> (const <a class="el" href="classMouseEvent.html">MouseEvent</a> &e)</td></tr>
<tr class="memdesc:a1d16cbc797adba8e7dda4db01f868f72"><td class="mdescLeft"> </td><td class="mdescRight">Called when the user clicks on this item. <a href="#a1d16cbc797adba8e7dda4db01f868f72">More...</a><br /></td></tr>
<tr class="separator:a1d16cbc797adba8e7dda4db01f868f72"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a44f6bac320a0ed884006e25558c6b513"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#a44f6bac320a0ed884006e25558c6b513">itemDoubleClicked</a> (const <a class="el" href="classMouseEvent.html">MouseEvent</a> &e)</td></tr>
<tr class="memdesc:a44f6bac320a0ed884006e25558c6b513"><td class="mdescLeft"> </td><td class="mdescRight">Called when the user double-clicks on this item. <a href="#a44f6bac320a0ed884006e25558c6b513">More...</a><br /></td></tr>
<tr class="separator:a44f6bac320a0ed884006e25558c6b513"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2b1fe5d650ef8cc31a16f1eaed03e837"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#a2b1fe5d650ef8cc31a16f1eaed03e837">itemSelectionChanged</a> (bool isNowSelected)</td></tr>
<tr class="memdesc:a2b1fe5d650ef8cc31a16f1eaed03e837"><td class="mdescLeft"> </td><td class="mdescRight">Called when the item is selected or deselected. <a href="#a2b1fe5d650ef8cc31a16f1eaed03e837">More...</a><br /></td></tr>
<tr class="separator:a2b1fe5d650ef8cc31a16f1eaed03e837"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a66947aeb8814bc9164422375231ae5d6"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#a66947aeb8814bc9164422375231ae5d6">ownerViewChanged</a> (<a class="el" href="classTreeView.html">TreeView</a> *newOwner)</td></tr>
<tr class="memdesc:a66947aeb8814bc9164422375231ae5d6"><td class="mdescLeft"> </td><td class="mdescRight">Called when the owner view changes. <a href="#a66947aeb8814bc9164422375231ae5d6">More...</a><br /></td></tr>
<tr class="separator:a66947aeb8814bc9164422375231ae5d6"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a13b0004f086cd20f212d5a33a7c48474"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="classString.html">String</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#a13b0004f086cd20f212d5a33a7c48474">getTooltip</a> ()</td></tr>
<tr class="memdesc:a13b0004f086cd20f212d5a33a7c48474"><td class="mdescLeft"> </td><td class="mdescRight">The item can return a tool tip string here if it wants to. <a href="#a13b0004f086cd20f212d5a33a7c48474">More...</a><br /></td></tr>
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<tr class="memitem:a529dcbb8ef94476d1d78c0069efa6f39"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="classvar.html">var</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#a529dcbb8ef94476d1d78c0069efa6f39">getDragSourceDescription</a> ()</td></tr>
<tr class="memdesc:a529dcbb8ef94476d1d78c0069efa6f39"><td class="mdescLeft"> </td><td class="mdescRight">To allow items from your treeview to be dragged-and-dropped, implement this method. <a href="#a529dcbb8ef94476d1d78c0069efa6f39">More...</a><br /></td></tr>
<tr class="separator:a529dcbb8ef94476d1d78c0069efa6f39"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:abe8b909ba44b7eac0988b2adc6257c46"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#abe8b909ba44b7eac0988b2adc6257c46">isInterestedInFileDrag</a> (const <a class="el" href="classStringArray.html">StringArray</a> &files)</td></tr>
<tr class="memdesc:abe8b909ba44b7eac0988b2adc6257c46"><td class="mdescLeft"> </td><td class="mdescRight">If you want your item to be able to have files drag-and-dropped onto it, implement this method and return true. <a href="#abe8b909ba44b7eac0988b2adc6257c46">More...</a><br /></td></tr>
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<tr class="memitem:a6149fa51385ef76bfede3481d3646797"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#a6149fa51385ef76bfede3481d3646797">filesDropped</a> (const <a class="el" href="classStringArray.html">StringArray</a> &files, int insertIndex)</td></tr>
<tr class="memdesc:a6149fa51385ef76bfede3481d3646797"><td class="mdescLeft"> </td><td class="mdescRight">When files are dropped into this item, this callback is invoked. <a href="#a6149fa51385ef76bfede3481d3646797">More...</a><br /></td></tr>
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<tr class="memitem:a7a1d27462d3ddf1fab3dca14e16c2788"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#a7a1d27462d3ddf1fab3dca14e16c2788">isInterestedInDragSource</a> (const <a class="el" href="classDragAndDropTarget_1_1SourceDetails.html">DragAndDropTarget::SourceDetails</a> &dragSourceDetails)</td></tr>
<tr class="memdesc:a7a1d27462d3ddf1fab3dca14e16c2788"><td class="mdescLeft"> </td><td class="mdescRight">If you want your item to act as a <a class="el" href="classDragAndDropTarget.html" title="Components derived from this class can have things dropped onto them by a DragAndDropContainer. ">DragAndDropTarget</a>, implement this method and return true. <a href="#a7a1d27462d3ddf1fab3dca14e16c2788">More...</a><br /></td></tr>
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<tr class="memitem:afade9c99b85939fe8521d55b0b2ab285"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#afade9c99b85939fe8521d55b0b2ab285">itemDropped</a> (const <a class="el" href="classDragAndDropTarget_1_1SourceDetails.html">DragAndDropTarget::SourceDetails</a> &dragSourceDetails, int insertIndex)</td></tr>
<tr class="memdesc:afade9c99b85939fe8521d55b0b2ab285"><td class="mdescLeft"> </td><td class="mdescRight">When a things are dropped into this item, this callback is invoked. <a href="#afade9c99b85939fe8521d55b0b2ab285">More...</a><br /></td></tr>
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<tr class="memitem:a5ad6617d063e99ca170d2726ca87c8b1"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#a5ad6617d063e99ca170d2726ca87c8b1">setDrawsInLeftMargin</a> (bool canDrawInLeftMargin) noexcept</td></tr>
<tr class="memdesc:a5ad6617d063e99ca170d2726ca87c8b1"><td class="mdescLeft"> </td><td class="mdescRight">Sets a flag to indicate that the item wants to be allowed to draw all the way across to the left edge of the treeview. <a href="#a5ad6617d063e99ca170d2726ca87c8b1">More...</a><br /></td></tr>
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<tr class="memitem:a5d74053652a52f66f97aa611a2854c8e"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#a5d74053652a52f66f97aa611a2854c8e">setDrawsInRightMargin</a> (bool canDrawInRightMargin) noexcept</td></tr>
<tr class="memdesc:a5d74053652a52f66f97aa611a2854c8e"><td class="mdescLeft"> </td><td class="mdescRight">Sets a flag to indicate that the item wants to be allowed to draw all the way across to the right edge of the treeview. <a href="#a5d74053652a52f66f97aa611a2854c8e">More...</a><br /></td></tr>
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<tr class="memitem:afe566c07ace7674ed34fce84c1d7af60"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classXmlElement.html">XmlElement</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#afe566c07ace7674ed34fce84c1d7af60">getOpennessState</a> () const</td></tr>
<tr class="memdesc:afe566c07ace7674ed34fce84c1d7af60"><td class="mdescLeft"> </td><td class="mdescRight">Saves the current state of open/closed nodes so it can be restored later. <a href="#afe566c07ace7674ed34fce84c1d7af60">More...</a><br /></td></tr>
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<tr class="memitem:a2543807283072980a45ba62f4f0eed46"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#a2543807283072980a45ba62f4f0eed46">restoreOpennessState</a> (const <a class="el" href="classXmlElement.html">XmlElement</a> &xml)</td></tr>
<tr class="memdesc:a2543807283072980a45ba62f4f0eed46"><td class="mdescLeft"> </td><td class="mdescRight">Restores the openness of this item and all its sub-items from a saved state. <a href="#a2543807283072980a45ba62f4f0eed46">More...</a><br /></td></tr>
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<tr class="memitem:ad16ec5ae6dd02ed690001ac9a664fa44"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#ad16ec5ae6dd02ed690001ac9a664fa44">getIndexInParent</a> () const noexcept</td></tr>
<tr class="memdesc:ad16ec5ae6dd02ed690001ac9a664fa44"><td class="mdescLeft"> </td><td class="mdescRight">Returns the index of this item in its parent's sub-items. <a href="#ad16ec5ae6dd02ed690001ac9a664fa44">More...</a><br /></td></tr>
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<tr class="memitem:ab5a379de4cea292f0b66d6c9f4f3da42"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#ab5a379de4cea292f0b66d6c9f4f3da42">isLastOfSiblings</a> () const noexcept</td></tr>
<tr class="memdesc:ab5a379de4cea292f0b66d6c9f4f3da42"><td class="mdescLeft"> </td><td class="mdescRight">Returns true if this item is the last of its parent's sub-itens. <a href="#ab5a379de4cea292f0b66d6c9f4f3da42">More...</a><br /></td></tr>
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<tr class="memitem:af62dcbe9dba30736350e1a9b3bc95d20"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classString.html">String</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classTreeViewItem.html#af62dcbe9dba30736350e1a9b3bc95d20">getItemIdentifierString</a> () const</td></tr>
<tr class="memdesc:af62dcbe9dba30736350e1a9b3bc95d20"><td class="mdescLeft"> </td><td class="mdescRight">Creates a string that can be used to uniquely retrieve this item in the tree. <a href="#af62dcbe9dba30736350e1a9b3bc95d20">More...</a><br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>An item in a treeview. </p>
<p>A <a class="el" href="classTreeViewItem.html" title="An item in a treeview. ">TreeViewItem</a> can either be a leaf-node in the tree, or it can contain its own sub-items.</p>
<p>To implement an item that contains sub-items, override the <a class="el" href="classTreeViewItem.html#ae675d65af3c2ab3455b98aa6d025d070" title="Called when an item is opened or closed. ">itemOpennessChanged()</a> method so that when it is opened, it adds the new sub-items to itself using the addSubItem method. Depending on the nature of the item it might choose to only do this the first time it's opened, or it might want to refresh itself each time. It also has the option of deleting its sub-items when it is closed, or leaving them in place. </p>
</div><h2 class="groupheader">Member Enumeration Documentation</h2>
<a id="aeb42402ed8e34ef5af931a762fd55bbd"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aeb42402ed8e34ef5af931a762fd55bbd">§ </a></span>Openness</h2>
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<td class="memname">enum <a class="el" href="classTreeViewItem.html#aeb42402ed8e34ef5af931a762fd55bbd">TreeViewItem::Openness</a></td>
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<p>An enum of states to describe the explicit or implicit openness of an item. </p>
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="aeb42402ed8e34ef5af931a762fd55bbdaefa0abae48909ab7a14a0a6484be7d25"></a>opennessDefault </td><td class="fielddoc"></td></tr>
<tr><td class="fieldname"><a id="aeb42402ed8e34ef5af931a762fd55bbdab61b2e3b4e60fb2ba1f6902987596420"></a>opennessClosed </td><td class="fielddoc"></td></tr>
<tr><td class="fieldname"><a id="aeb42402ed8e34ef5af931a762fd55bbda8438197504704ddb2cf2bdb69d53fe57"></a>opennessOpen </td><td class="fielddoc"></td></tr>
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<h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a442058a1c6d9eef0aa6f8b918fcbf8d6">§ </a></span>TreeViewItem()</h2>
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<td class="memname">TreeViewItem::TreeViewItem </td>
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<p>Constructor. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a096327dbe3300e99a80eff28f0e20a14">§ </a></span>~TreeViewItem()</h2>
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<td class="memname">virtual TreeViewItem::~TreeViewItem </td>
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<p>Destructor. </p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ae2357524e0d096bcde729ae99b03a38c">§ </a></span>getNumSubItems()</h2>
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<td class="memname">int TreeViewItem::getNumSubItems </td>
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<p>Returns the number of sub-items that have been added to this item. </p>
<p>Note that this doesn't mean much if the node isn't open.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classTreeViewItem.html#ad12c774c2434074f795ba37a5c2d1755" title="Returns one of the item's sub-items. ">getSubItem</a>, <a class="el" href="classTreeViewItem.html#a1d4dc3f8e9971147e2649a128bd0344d" title="Tells the tree whether this item can potentially be opened. ">mightContainSubItems</a>, <a class="el" href="classTreeViewItem.html#a536e1e4edaf0b0a472c485050d54eb5a" title="Adds a sub-item. ">addSubItem</a> </dd></dl>
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<td class="memname"><a class="el" href="classTreeViewItem.html">TreeViewItem</a>* TreeViewItem::getSubItem </td>
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<p>Returns one of the item's sub-items. </p>
<p>Remember that the object returned might get deleted at any time when its parent item is closed or refreshed, depending on the nature of the items you're using.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classTreeViewItem.html#ae2357524e0d096bcde729ae99b03a38c" title="Returns the number of sub-items that have been added to this item. ">getNumSubItems</a> </dd></dl>
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<p>Removes any sub-items. </p>
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<p>Adds a sub-item. </p>
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<tr><td class="paramname">newItem</td><td>the object to add to the item's sub-item list. Once added, these can be found using <a class="el" href="classTreeViewItem.html#ad12c774c2434074f795ba37a5c2d1755" title="Returns one of the item's sub-items. ">getSubItem()</a>. When the items are later removed with <a class="el" href="classTreeViewItem.html#a80b8910184619d952841a1b93d4b75c4" title="Removes one of the sub-items. ">removeSubItem()</a> (or when this item is deleted), they will be deleted. </td></tr>
<tr><td class="paramname">insertPosition</td><td>the index which the new item should have when it's added. If this value is less than 0, the item will be added to the end of the list. </td></tr>
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<h2 class="memtitle"><span class="permalink"><a href="#adb5e41812e3efba115ded6bf59fd4f72">§ </a></span>addSubItemSorted()</h2>
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<p>Adds a sub-item with a sort-comparator, assuming that the existing items are already sorted. </p>
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<p>Removes one of the sub-items. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a002342e5b39ddf192d445b2bdd16d086">§ </a></span>sortSubItems()</h2>
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<p>Sorts the list of sub-items using a standard array comparator. </p>
<p>This will use a comparator object to sort the elements into order. The comparator object must have a method of the form: </p><div class="fragment"><div class="line"><span class="keywordtype">int</span> compareElements (<a class="code" href="classTreeViewItem.html">TreeViewItem</a>* first, <a class="code" href="classTreeViewItem.html">TreeViewItem</a>* second);</div></div><!-- fragment --><p>..and this method must return:</p><ul>
<li>a value of < 0 if the first comes before the second</li>
<li>a value of 0 if the two objects are equivalent</li>
<li>a value of > 0 if the second comes before the first</li>
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<p>To improve performance, the compareElements() method can be declared as static or const. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#af5f9ce78c2bc579d308a7048c59a0a3c">§ </a></span>getOwnerView()</h2>
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<p>Returns the <a class="el" href="classTreeView.html" title="A tree-view component. ">TreeView</a> to which this item belongs. </p>
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<p>Returns the item within which this item is contained. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#aac59d4198c7dc470ef45f705b23621e9">§ </a></span>isOpen()</h2>
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<p>True if this item is currently open in the treeview. </p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classTreeViewItem.html#af91df7aae2d59b7f4e40297e8a8175de" title="Returns the openness state of this item. ">getOpenness</a> </dd></dl>
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<p>Opens or closes the item. </p>
<p>When opened or closed, the item's <a class="el" href="classTreeViewItem.html#ae675d65af3c2ab3455b98aa6d025d070" title="Called when an item is opened or closed. ">itemOpennessChanged()</a> method will be called, and a subclass should use this callback to create and add any sub-items that it needs to.</p>
<p>Note that if this is called when the item is in its default openness state, and this call would not change whether it's open or closed, then no change will be stored. If you want to explicitly set the openness state to be non-default then you should use setOpenness instead.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classTreeViewItem.html#adb9512d6c59c0cc89d8e4336a01b9897" title="Opens or closes the item. ">setOpenness</a>, <a class="el" href="classTreeViewItem.html#ae675d65af3c2ab3455b98aa6d025d070" title="Called when an item is opened or closed. ">itemOpennessChanged</a>, <a class="el" href="classTreeViewItem.html#a1d4dc3f8e9971147e2649a128bd0344d" title="Tells the tree whether this item can potentially be opened. ">mightContainSubItems</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#af91df7aae2d59b7f4e40297e8a8175de">§ </a></span>getOpenness()</h2>
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<td class="memname"><a class="el" href="classTreeViewItem.html#aeb42402ed8e34ef5af931a762fd55bbd">Openness</a> TreeViewItem::getOpenness </td>
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<p>Returns the openness state of this item. </p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classTreeViewItem.html#aac59d4198c7dc470ef45f705b23621e9" title="True if this item is currently open in the treeview. ">isOpen</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#adb9512d6c59c0cc89d8e4336a01b9897">§ </a></span>setOpenness()</h2>
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<p>Opens or closes the item. </p>
<p>If this causes the value of <a class="el" href="classTreeViewItem.html#aac59d4198c7dc470ef45f705b23621e9" title="True if this item is currently open in the treeview. ">isOpen()</a> to change, then the item's <a class="el" href="classTreeViewItem.html#ae675d65af3c2ab3455b98aa6d025d070" title="Called when an item is opened or closed. ">itemOpennessChanged()</a> method will be called, and a subclass should use this callback to create and add any sub-items that it needs to.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classTreeViewItem.html#ae1d86e63026471f8edea97f7dc5fd05f" title="Opens or closes the item. ">setOpen</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a96351e2c95b73bf170b8818774a63cf6">§ </a></span>isSelected()</h2>
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<p>True if this item is currently selected. </p>
<p>Use this when painting the node, to decide whether to draw it as selected or not. </p>
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<td class="paramname"><em>shouldNotify</em> = <code><a class="el" href="juce__NotificationType_8h.html#a25a31a4bdc02a0d0adb743e26dd14ba9ad9a3eff1d1ddebf33141da7cf581be4c">sendNotification</a></code> </td>
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<p>Selects or deselects the item. </p>
<p>If shouldNotify == sendNotification, then a callback will be made to <a class="el" href="classTreeViewItem.html#a2b1fe5d650ef8cc31a16f1eaed03e837" title="Called when the item is selected or deselected. ">itemSelectionChanged()</a> </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a9263a18573cce52347899cb209d4feff">§ </a></span>getItemPosition()</h2>
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<td class="memname"><a class="el" href="classRectangle.html">Rectangle</a><int> TreeViewItem::getItemPosition </td>
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<p>Returns the rectangle that this item occupies. </p>
<p>If relativeToTreeViewTopLeft is true, the coordinates are relative to the top-left of the <a class="el" href="classTreeView.html" title="A tree-view component. ">TreeView</a> comp, so this will depend on the scroll-position of the tree. If false, it is relative to the top-left of the topmost item in the tree (so this would be unaffected by scrolling the view). </p>
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<h2 class="memtitle"><span class="permalink"><a href="#aab2752eec271a51384fd10121a911ee1">§ </a></span>treeHasChanged()</h2>
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<p>Sends a signal to the treeview to make it refresh itself. </p>
<p>Call this if your items have changed and you want the tree to update to reflect this. </p>
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<p>Sends a repaint message to redraw just this item. </p>
<p>Note that you should only call this if you want to repaint a superficial change. If you're altering the tree's nodes, you should instead call <a class="el" href="classTreeViewItem.html#aab2752eec271a51384fd10121a911ee1" title="Sends a signal to the treeview to make it refresh itself. ">treeHasChanged()</a>. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ae3809bbfa55ccd973205f5580fa0776c">§ </a></span>getRowNumberInTree()</h2>
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<p>Returns the row number of this item in the tree. </p>
<p>The row number of an item will change according to which items are open. </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="classTreeView.html#af37f825a9c33a3350391b1bdd6897c04" title="Returns the number of rows the tree is using. ">TreeView::getNumRowsInTree()</a>, <a class="el" href="classTreeView.html#a1e2aec6fafafd75571bd3c7988352297" title="Returns the item on a particular row of the tree. ">TreeView::getItemOnRow()</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a9c5a3bd296fe6eb6f3edc6310e723a0c">§ </a></span>areAllParentsOpen()</h2>
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<p>Returns true if all the item's parent nodes are open. </p>
<p>This is useful to check whether the item might actually be visible or not. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a7d398fd97dcd6566043fd1c1da202233">§ </a></span>setLinesDrawnForSubItems()</h2>
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<p>Changes whether lines are drawn to connect any sub-items to this item. </p>
<p>By default, line-drawing is turned on according to <a class="el" href="structTreeView_1_1LookAndFeelMethods.html#ad7490df2393ac611eeef8b86438e5133">LookAndFeel::areLinesDrawnForTreeView()</a>. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a1d4dc3f8e9971147e2649a128bd0344d">§ </a></span>mightContainSubItems()</h2>
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<p>Tells the tree whether this item can potentially be opened. </p>
<p>If your item could contain sub-items, this should return true; if it returns false then the tree will not try to open the item. This determines whether or not the item will be drawn with a 'plus' button next to it. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#aaabafd453aa403ab00163c856280c388">§ </a></span>getUniqueName()</h2>
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<p>Returns a string to uniquely identify this item. </p>
<p>If you're planning on using the <a class="el" href="classTreeView.html#a9394821185f1feaaa1a7002b0b4d1ad4" title="Saves the current state of open/closed nodes so it can be restored later. ">TreeView::getOpennessState()</a> method, then these strings will be used to identify which nodes are open. The string should be unique amongst the item's sibling items, but it's ok for there to be duplicates at other levels of the tree.</p>
<p>If you're not going to store the state, then it's ok not to bother implementing this method. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ae675d65af3c2ab3455b98aa6d025d070">§ </a></span>itemOpennessChanged()</h2>
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<p>Called when an item is opened or closed. </p>
<p>When <a class="el" href="classTreeViewItem.html#ae1d86e63026471f8edea97f7dc5fd05f" title="Opens or closes the item. ">setOpen()</a> is called and the item has specified that it might have sub-items with the <a class="el" href="classTreeViewItem.html#a1d4dc3f8e9971147e2649a128bd0344d" title="Tells the tree whether this item can potentially be opened. ">mightContainSubItems()</a> method, this method is called to let the item create or manage its sub-items.</p>
<p>So when this is called with isNowOpen set to true (i.e. when the item is being opened), a subclass might choose to use <a class="el" href="classTreeViewItem.html#a3e5f73cd812c6626047d38307560aaeb" title="Removes any sub-items. ">clearSubItems()</a> and <a class="el" href="classTreeViewItem.html#a536e1e4edaf0b0a472c485050d54eb5a" title="Adds a sub-item. ">addSubItem()</a> to refresh its sub-item list.</p>
<p>When this is called with isNowOpen set to false, the subclass might want to use <a class="el" href="classTreeViewItem.html#a3e5f73cd812c6626047d38307560aaeb" title="Removes any sub-items. ">clearSubItems()</a> to save on space, or it might choose to leave them, depending on the nature of the tree.</p>
<p>You could also use this callback as a trigger to start a background process which asynchronously creates sub-items and adds them, if that's more appropriate for the task in hand.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classTreeViewItem.html#a1d4dc3f8e9971147e2649a128bd0344d" title="Tells the tree whether this item can potentially be opened. ">mightContainSubItems</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#af087cb931e9d425fdd46edd2121e9a2b">§ </a></span>getItemWidth()</h2>
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<p>Must return the width required by this item. </p>
<p>If your item needs to have a particular width in pixels, return that value; if you'd rather have it just fill whatever space is available in the treeview, return -1.</p>
<p>If all your items return -1, no horizontal scrollbar will be shown, but if any items have fixed widths and extend beyond the width of the treeview, a scrollbar will appear.</p>
<p>Each item can be a different width, but if they change width, you should call <a class="el" href="classTreeViewItem.html#aab2752eec271a51384fd10121a911ee1" title="Sends a signal to the treeview to make it refresh itself. ">treeHasChanged()</a> to update the tree. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a20fcee0edadfed43cfb2277382887cd5">§ </a></span>getItemHeight()</h2>
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<p>Must return the height required by this item. </p>
<p>This is the height in pixels that the item will take up. Items in the tree can be different heights, but if they change height, you should call <a class="el" href="classTreeViewItem.html#aab2752eec271a51384fd10121a911ee1" title="Sends a signal to the treeview to make it refresh itself. ">treeHasChanged()</a> to update the tree. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a89e1ecf284bf2bce94cf60b457f7964c">§ </a></span>canBeSelected()</h2>
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<p>You can override this method to return false if you don't want to allow the user to select this item. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#af821a303a31a9256e00b94ff8fe2595d">§ </a></span>createItemComponent()</h2>
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<p>Creates a component that will be used to represent this item. </p>
<p>You don't have to implement this method - if it returns nullptr then no component will be used for the item, and you can just draw it using the <a class="el" href="classTreeViewItem.html#adc3e3a7c09443e28b1f48fe10b9569b2" title="Draws the item's contents. ">paintItem()</a> callback. But if you do return a component, it will be positioned in the treeview so that it can be used to represent this item.</p>
<p>The component returned will be managed by the treeview, so always return a new component, and don't keep a reference to it, as the treeview will delete it later when it goes off the screen or is no longer needed. Also bear in mind that if the component keeps a reference to the item that created it, that item could be deleted before the component. Its position and size will be completely managed by the tree, so don't attempt to move it around.</p>
<p>Something you may want to do with your component is to give it a pointer to the <a class="el" href="classTreeView.html" title="A tree-view component. ">TreeView</a> that created it. This is perfectly safe, and there's no danger of it becoming a dangling pointer because the <a class="el" href="classTreeView.html" title="A tree-view component. ">TreeView</a> will always delete the component before it is itself deleted.</p>
<p>As long as you stick to these rules you can return whatever kind of component you like. It's most useful if you're doing things like drag-and-drop of items, or want to use a <a class="el" href="classLabel.html" title="A component that displays a text string, and can optionally become a text editor when clicked...">Label</a> component to edit item names, etc. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#adc3e3a7c09443e28b1f48fe10b9569b2">§ </a></span>paintItem()</h2>
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<p>Draws the item's contents. </p>
<p>You can choose to either implement this method and draw each item, or you can use <a class="el" href="classTreeViewItem.html#af821a303a31a9256e00b94ff8fe2595d" title="Creates a component that will be used to represent this item. ">createItemComponent()</a> to create a component that will represent the item.</p>
<p>If all you need in your tree is to be able to draw the items and detect when the user selects or double-clicks one of them, it's probably enough to use <a class="el" href="classTreeViewItem.html#adc3e3a7c09443e28b1f48fe10b9569b2" title="Draws the item's contents. ">paintItem()</a>, <a class="el" href="classTreeViewItem.html#a1d16cbc797adba8e7dda4db01f868f72" title="Called when the user clicks on this item. ">itemClicked()</a> and <a class="el" href="classTreeViewItem.html#a44f6bac320a0ed884006e25558c6b513" title="Called when the user double-clicks on this item. ">itemDoubleClicked()</a>. If you need more complicated interactions, you may need to use <a class="el" href="classTreeViewItem.html#af821a303a31a9256e00b94ff8fe2595d" title="Creates a component that will be used to represent this item. ">createItemComponent()</a> instead.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a23749ce8fd2226cfe5ffda3af36a843d">§ </a></span>paintOpenCloseButton()</h2>
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<p>Draws the item's open/close button. </p>
<p>If you don't implement this method, the default behaviour is to call <a class="el" href="structTreeView_1_1LookAndFeelMethods.html#afd3c7002207226d973a7d2082dadd409">LookAndFeel::drawTreeviewPlusMinusBox()</a>, but you can override it for custom effects. You may want to override it and call the base-class implementation with a different backgroundColour parameter, if your implementation has a background colour other than the default (white). </p>
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<p>Draws the line that connects this item to the vertical line extending below its parent. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#aef65553f9c368989185c07be261c3dbd">§ </a></span>paintVerticalConnectingLine()</h2>
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<p>Draws the line that extends vertically up towards one of its parents, or down to one of its children. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a1d16cbc797adba8e7dda4db01f868f72">§ </a></span>itemClicked()</h2>
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<p>Called when the user clicks on this item. </p>
<p>If you're using <a class="el" href="classTreeViewItem.html#af821a303a31a9256e00b94ff8fe2595d" title="Creates a component that will be used to represent this item. ">createItemComponent()</a> to create a custom component for the item, the mouse-clicks might not make it through to the treeview, but this is how you find out about clicks when just drawing each item individually.</p>
<p>The associated mouse-event details are passed in, so you can find out about which button, where it was, etc.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classTreeViewItem.html#a44f6bac320a0ed884006e25558c6b513" title="Called when the user double-clicks on this item. ">itemDoubleClicked</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a44f6bac320a0ed884006e25558c6b513">§ </a></span>itemDoubleClicked()</h2>
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<p>Called when the user double-clicks on this item. </p>
<p>If you're using <a class="el" href="classTreeViewItem.html#af821a303a31a9256e00b94ff8fe2595d" title="Creates a component that will be used to represent this item. ">createItemComponent()</a> to create a custom component for the item, the mouse-clicks might not make it through to the treeview, but this is how you find out about clicks when just drawing each item individually.</p>
<p>The associated mouse-event details are passed in, so you can find out about which button, where it was, etc.</p>
<p>If not overridden, the base class method here will open or close the item as if the 'plus' button had been clicked.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classTreeViewItem.html#a1d16cbc797adba8e7dda4db01f868f72" title="Called when the user clicks on this item. ">itemClicked</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a2b1fe5d650ef8cc31a16f1eaed03e837">§ </a></span>itemSelectionChanged()</h2>
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<p>Called when the item is selected or deselected. </p>
<p>Use this if you want to do something special when the item's selectedness changes. By default it'll get repainted when this happens. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a66947aeb8814bc9164422375231ae5d6">§ </a></span>ownerViewChanged()</h2>
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<p>Called when the owner view changes. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a13b0004f086cd20f212d5a33a7c48474">§ </a></span>getTooltip()</h2>
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<p>The item can return a tool tip string here if it wants to. </p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classTooltipClient.html" title="Components that want to use pop-up tooltips should implement this interface. ">TooltipClient</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a529dcbb8ef94476d1d78c0069efa6f39">§ </a></span>getDragSourceDescription()</h2>
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<p>To allow items from your treeview to be dragged-and-dropped, implement this method. </p>
<p>If this returns a non-null variant then when the user drags an item, the treeview will try to find a <a class="el" href="classDragAndDropContainer.html" title="Enables drag-and-drop behaviour for a component and all its sub-components. ">DragAndDropContainer</a> in its parent hierarchy, and will use it to trigger a drag-and-drop operation, using this string as the source description, with the treeview itself as the source component.</p>
<p>If you need more complex drag-and-drop behaviour, you can use custom components for the items, and use those to trigger the drag.</p>
<p>To accept drag-and-drop in your tree, see <a class="el" href="classTreeViewItem.html#a7a1d27462d3ddf1fab3dca14e16c2788" title="If you want your item to act as a DragAndDropTarget, implement this method and return true...">isInterestedInDragSource()</a>, <a class="el" href="classTreeViewItem.html#abe8b909ba44b7eac0988b2adc6257c46" title="If you want your item to be able to have files drag-and-dropped onto it, implement this method and re...">isInterestedInFileDrag()</a>, etc.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classDragAndDropContainer.html#a1f05c2d712f9cf0dd2a789817549bf60" title="Begins a drag-and-drop operation. ">DragAndDropContainer::startDragging</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#abe8b909ba44b7eac0988b2adc6257c46">§ </a></span>isInterestedInFileDrag()</h2>
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<p>If you want your item to be able to have files drag-and-dropped onto it, implement this method and return true. </p>
<p>If you return true and allow some files to be dropped, you'll also need to implement the <a class="el" href="classTreeViewItem.html#a6149fa51385ef76bfede3481d3646797" title="When files are dropped into this item, this callback is invoked. ">filesDropped()</a> method to do something with them.</p>
<p>Note that this will be called often, so make your implementation very quick! There's certainly no time to try opening the files and having a think about what's inside them!</p>
<p>For responding to internal drag-and-drop of other types of object, see <a class="el" href="classTreeViewItem.html#a7a1d27462d3ddf1fab3dca14e16c2788" title="If you want your item to act as a DragAndDropTarget, implement this method and return true...">isInterestedInDragSource()</a>. </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="classFileDragAndDropTarget.html#a44fa7f7e69dec8119c6b3a6ff9d2ddce" title="Callback to check whether this target is interested in the set of files being offered. ">FileDragAndDropTarget::isInterestedInFileDrag</a>, <a class="el" href="classTreeViewItem.html#a7a1d27462d3ddf1fab3dca14e16c2788" title="If you want your item to act as a DragAndDropTarget, implement this method and return true...">isInterestedInDragSource</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a6149fa51385ef76bfede3481d3646797">§ </a></span>filesDropped()</h2>
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<p>When files are dropped into this item, this callback is invoked. </p>
<p>For this to work, you'll need to have also implemented <a class="el" href="classTreeViewItem.html#abe8b909ba44b7eac0988b2adc6257c46" title="If you want your item to be able to have files drag-and-dropped onto it, implement this method and re...">isInterestedInFileDrag()</a>. The insertIndex value indicates where in the list of sub-items the files were dropped. If files are dropped onto an area of the tree where there are no visible items, this method is called on the root item of the tree, with an insert index of 0. </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="classFileDragAndDropTarget.html#adc7848885ab2d9380f242c6445b019d4" title="Callback to indicate that the user has dropped the files onto this component. ">FileDragAndDropTarget::filesDropped</a>, <a class="el" href="classTreeViewItem.html#abe8b909ba44b7eac0988b2adc6257c46" title="If you want your item to be able to have files drag-and-dropped onto it, implement this method and re...">isInterestedInFileDrag</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a7a1d27462d3ddf1fab3dca14e16c2788">§ </a></span>isInterestedInDragSource()</h2>
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<p>If you want your item to act as a <a class="el" href="classDragAndDropTarget.html" title="Components derived from this class can have things dropped onto them by a DragAndDropContainer. ">DragAndDropTarget</a>, implement this method and return true. </p>
<p>If you implement this method, you'll also need to implement <a class="el" href="classTreeViewItem.html#afade9c99b85939fe8521d55b0b2ab285" title="When a things are dropped into this item, this callback is invoked. ">itemDropped()</a> in order to handle the items when they are dropped. To respond to drag-and-drop of files from external applications, see <a class="el" href="classTreeViewItem.html#abe8b909ba44b7eac0988b2adc6257c46" title="If you want your item to be able to have files drag-and-dropped onto it, implement this method and re...">isInterestedInFileDrag()</a>. </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="classDragAndDropTarget.html#a53853ec7aac70f5590a590b84c3f4f12" title="Callback to check whether this target is interested in the type of object being dragged. ">DragAndDropTarget::isInterestedInDragSource</a>, <a class="el" href="classTreeViewItem.html#afade9c99b85939fe8521d55b0b2ab285" title="When a things are dropped into this item, this callback is invoked. ">itemDropped</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#afade9c99b85939fe8521d55b0b2ab285">§ </a></span>itemDropped()</h2>
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<td class="memname">virtual void TreeViewItem::itemDropped </td>
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<p>When a things are dropped into this item, this callback is invoked. </p>
<p>For this to work, you need to have also implemented <a class="el" href="classTreeViewItem.html#a7a1d27462d3ddf1fab3dca14e16c2788" title="If you want your item to act as a DragAndDropTarget, implement this method and return true...">isInterestedInDragSource()</a>. The insertIndex value indicates where in the list of sub-items the new items should be placed. If files are dropped onto an area of the tree where there are no visible items, this method is called on the root item of the tree, with an insert index of 0. </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="classTreeViewItem.html#a7a1d27462d3ddf1fab3dca14e16c2788" title="If you want your item to act as a DragAndDropTarget, implement this method and return true...">isInterestedInDragSource</a>, <a class="el" href="classDragAndDropTarget.html#ac2240ffc2dd0ccf61670780a15b66017" title="Callback to indicate that the user has dropped something onto this component. ">DragAndDropTarget::itemDropped</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a5ad6617d063e99ca170d2726ca87c8b1">§ </a></span>setDrawsInLeftMargin()</h2>
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<td class="memname">void TreeViewItem::setDrawsInLeftMargin </td>
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<p>Sets a flag to indicate that the item wants to be allowed to draw all the way across to the left edge of the treeview. </p>
<p>By default this is false, which means that when the <a class="el" href="classTreeViewItem.html#adc3e3a7c09443e28b1f48fe10b9569b2" title="Draws the item's contents. ">paintItem()</a> method is called, its graphics context is clipped to only allow drawing within the item's rectangle. If this flag is set to true, then the graphics context isn't clipped on its left side, so it can draw all the way across to the left margin. Note that the context will still have its origin in the same place though, so the coordinates of anything to its left will be negative. It's mostly useful if you want to draw a wider bar behind the highlighted item. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a5d74053652a52f66f97aa611a2854c8e">§ </a></span>setDrawsInRightMargin()</h2>
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<p>Sets a flag to indicate that the item wants to be allowed to draw all the way across to the right edge of the treeview. </p>
<p>Similar to setDrawsInLeftMargin: when this flag is set to true, then the graphics context isn't clipped on the right side. Unlike setDrawsInLeftMargin, you will very rarely need to use this function, as this method won't clip the right margin unless your <a class="el" href="classTreeViewItem.html" title="An item in a treeview. ">TreeViewItem</a> overrides getItemWidth to return a positive value.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classTreeViewItem.html#a5ad6617d063e99ca170d2726ca87c8b1" title="Sets a flag to indicate that the item wants to be allowed to draw all the way across to the left edge...">setDrawsInLeftMargin</a>, <a class="el" href="classTreeViewItem.html#af087cb931e9d425fdd46edd2121e9a2b" title="Must return the width required by this item. ">getItemWidth</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#afe566c07ace7674ed34fce84c1d7af60">§ </a></span>getOpennessState()</h2>
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<p>Saves the current state of open/closed nodes so it can be restored later. </p>
<p>This takes a snapshot of which sub-nodes have been explicitly opened or closed, and records it as XML. To identify node objects it uses the <a class="el" href="classTreeViewItem.html#aaabafd453aa403ab00163c856280c388" title="Returns a string to uniquely identify this item. ">TreeViewItem::getUniqueName()</a> method to create named paths. This means that the same state of open/closed nodes can be restored to a completely different instance of the tree, as long as it contains nodes whose unique names are the same.</p>
<p>You'd normally want to use <a class="el" href="classTreeView.html#a9394821185f1feaaa1a7002b0b4d1ad4" title="Saves the current state of open/closed nodes so it can be restored later. ">TreeView::getOpennessState()</a> rather than call it for a specific item, but this can be handy if you need to briefly save the state for a section of the tree.</p>
<p>The caller is responsible for deleting the object that is returned.</p>
<p>Note that if all nodes of the tree are in their default state, then this may return a nullptr.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classTreeView.html#a9394821185f1feaaa1a7002b0b4d1ad4" title="Saves the current state of open/closed nodes so it can be restored later. ">TreeView::getOpennessState</a>, <a class="el" href="classTreeViewItem.html#a2543807283072980a45ba62f4f0eed46" title="Restores the openness of this item and all its sub-items from a saved state. ">restoreOpennessState</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a2543807283072980a45ba62f4f0eed46">§ </a></span>restoreOpennessState()</h2>
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<p>Restores the openness of this item and all its sub-items from a saved state. </p>
<p>See <a class="el" href="classTreeView.html#a0e88906665c57b672def512e355af4f8" title="Restores a previously saved arrangement of open/closed nodes. ">TreeView::restoreOpennessState</a> for more details.</p>
<p>You'd normally want to use <a class="el" href="classTreeView.html#a0e88906665c57b672def512e355af4f8" title="Restores a previously saved arrangement of open/closed nodes. ">TreeView::restoreOpennessState()</a> rather than call it for a specific item, but this can be handy if you need to briefly save the state for a section of the tree.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classTreeView.html#a0e88906665c57b672def512e355af4f8" title="Restores a previously saved arrangement of open/closed nodes. ">TreeView::restoreOpennessState</a>, <a class="el" href="classTreeViewItem.html#afe566c07ace7674ed34fce84c1d7af60" title="Saves the current state of open/closed nodes so it can be restored later. ">getOpennessState</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ad16ec5ae6dd02ed690001ac9a664fa44">§ </a></span>getIndexInParent()</h2>
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<p>Returns the index of this item in its parent's sub-items. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ab5a379de4cea292f0b66d6c9f4f3da42">§ </a></span>isLastOfSiblings()</h2>
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<p>Returns true if this item is the last of its parent's sub-itens. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#af62dcbe9dba30736350e1a9b3bc95d20">§ </a></span>getItemIdentifierString()</h2>
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<td class="memname"><a class="el" href="classString.html">String</a> TreeViewItem::getItemIdentifierString </td>
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<p>Creates a string that can be used to uniquely retrieve this item in the tree. </p>
<p>The string that is returned can be passed to <a class="el" href="classTreeView.html#a8bb0fbf94579270cc13cd9fa413022df" title="Searches the tree for an item with the specified identifier. ">TreeView::findItemFromIdentifierString()</a>. The string takes the form of a path, constructed from the <a class="el" href="classTreeViewItem.html#aaabafd453aa403ab00163c856280c388" title="Returns a string to uniquely identify this item. ">getUniqueName()</a> of this item and all its parents, so these must all be correctly implemented for it to work. </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="classTreeView.html#a8bb0fbf94579270cc13cd9fa413022df" title="Searches the tree for an item with the specified identifier. ">TreeView::findItemFromIdentifierString</a>, <a class="el" href="classTreeViewItem.html#aaabafd453aa403ab00163c856280c388" title="Returns a string to uniquely identify this item. ">getUniqueName</a> </dd></dl>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="juce__TreeView_8h.html">juce_TreeView.h</a></li>
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