/usr/share/javascript/lrDragNDrop/lrdragndrop.js is in libjs-lrdragndrop 1.0.2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 | (function (ng) {
'use strict';
function isJqueryEventDataTransfer(){
return window.jQuery && (-1 == window.jQuery.event.props.indexOf('dataTransfer'));
}
if (isJqueryEventDataTransfer()) {
window.jQuery.event.props.push('dataTransfer');
}
var module = ng.module('lrDragNDrop', []);
module.service('lrDragStore', ['$document', function (document) {
var store = {};
this.hold = function hold(key, item, collectionFrom, safe) {
store[key] = {
item: item,
collection: collectionFrom,
safe: safe === true
}
};
this.get = function (namespace) {
var
modelItem = store[namespace], itemIndex;
if (modelItem) {
itemIndex = modelItem.collection.indexOf(modelItem.item);
return modelItem.safe === true ? modelItem.item : modelItem.collection.splice(itemIndex, 1)[0];
} else {
return null;
}
};
this.clean = function clean() {
store = {};
};
this.isHolding = function (namespace) {
return store[namespace] !== undefined;
};
document.bind('dragend', this.clean);
}]);
module.service('lrDragHelper', function () {
var th = this;
th.parseRepeater = function(scope, attr) {
var
repeatExpression = attr.ngRepeat,
match;
if (!repeatExpression) {
throw Error('this directive must be used with ngRepeat directive');
}
match = repeatExpression.match(/^(.*\sin).(\S*)/);
if (!match) {
throw Error("Expected ngRepeat in form of '_item_ in _collection_' but got '" +
repeatExpression + "'.");
}
return scope.$eval(match[2]);
};
th.lrDragSrcDirective = function(store, safe) {
return function compileFunc(el, iattr) {
iattr.$set('draggable', true);
return function linkFunc(scope, element, attr) {
var
collection,
key = (safe === true ? attr.lrDragSrcSafe : attr.lrDragSrc ) || 'temp';
if(attr.lrDragData) {
scope.$watch(attr.lrDragData, function (newValue) {
collection = newValue;
});
} else {
collection = th.parseRepeater(scope, attr);
}
element.bind('dragstart', function (evt) {
store.hold(key, collection[scope.$index], collection, safe);
if(angular.isDefined(evt.dataTransfer)) {
evt.dataTransfer.setData('text/html', null); //FF/jQuery fix
}
});
}
}
}
});
module.directive('lrDragSrc', ['lrDragStore', 'lrDragHelper', function (store, dragHelper) {
return{
compile: dragHelper.lrDragSrcDirective(store)
};
}]);
module.directive('lrDragSrcSafe', ['lrDragStore', 'lrDragHelper', function (store, dragHelper) {
return{
compile: dragHelper.lrDragSrcDirective(store, true)
};
}]);
module.directive('lrDropTarget', ['lrDragStore', 'lrDragHelper', '$parse', function (store, dragHelper, $parse) {
return {
link: function (scope, element, attr) {
var
collection,
key = attr.lrDropTarget || 'temp',
classCache = null;
function isAfter(x, y) {
//check if below or over the diagonal of the box element
return (element[0].offsetHeight - x * element[0].offsetHeight / element[0].offsetWidth) < y;
}
function resetStyle() {
if (classCache !== null) {
element.removeClass(classCache);
classCache = null;
}
}
if(attr.lrDragData) {
scope.$watch(attr.lrDragData, function (newValue) {
collection = newValue;
});
} else {
collection = dragHelper.parseRepeater(scope, attr);
}
element.bind('drop', function (evt) {
var
collectionCopy = ng.copy(collection),
item = store.get(key),
dropIndex, i, l;
if (item !== null) {
dropIndex = scope.$index;
dropIndex = isAfter(evt.offsetX, evt.offsetY) ? dropIndex + 1 : dropIndex;
//srcCollection=targetCollection => we may need to apply a correction
if (collectionCopy.length > collection.length) {
for (i = 0, l = Math.min(dropIndex, collection.length - 1); i <= l; i++) {
if (!ng.equals(collectionCopy[i], collection[i])) {
dropIndex = dropIndex - 1;
break;
}
}
}
scope.$apply(function () {
collection.splice(dropIndex, 0, item);
var fn = $parse(attr.lrDropSuccess) || ng.noop;
fn(scope, {e: evt, item: item, collection: collection});
});
evt.preventDefault();
resetStyle();
store.clean();
}
});
element.bind('dragleave', resetStyle);
element.bind('dragover', function (evt) {
var className;
if (store.isHolding(key)) {
className = isAfter(evt.offsetX, evt.offsetY) ? 'lr-drop-target-after' : 'lr-drop-target-before';
if (classCache !== className && classCache !== null) {
element.removeClass(classCache);
}
if (classCache !== className) {
element.addClass(className);
}
classCache = className;
}
evt.preventDefault();
});
}
};
}]);
})(angular);
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