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333 lines
13 KiB
JavaScript
333 lines
13 KiB
JavaScript
/**
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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/**
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* Implementing Drag and Drop functionality in AngularJS is easier than ever.
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* Demo: http://codef0rmer.github.com/angular-dragdrop/
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*
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* @version 1.0.4
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*
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* (c) 2013 Amit Gharat a.k.a codef0rmer <amit.2006.it@gmail.com> - amitgharat.wordpress.com
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*/
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/**
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* This has been modified from the default angular-draganddrop to provide the original
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* model and some other stuff as the 'data' arguement to callEventCallback
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*/
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(function (window, angular, undefined) {
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'use strict';
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var jqyoui = angular.module('ngDragDrop', []).service('ngDragDropService', ['$timeout', '$parse', function($timeout, $parse) {
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this.callEventCallback = function (scope, callbackName, event, ui, data) {
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if (!callbackName) {
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return;
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}
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var args = [event, ui, data];
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var match = callbackName.match(/^(.+)\((.+)\)$/);
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if (match !== null) {
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callbackName = match[1];
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var values = eval('[' + match[0].replace(/^(.+)\(/, '').replace(/\)/, '') + ']');
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args.push.apply(args, values);
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}
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if(scope[callbackName]) {
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scope[callbackName].apply(scope, args);
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}
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};
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this.invokeDrop = function ($draggable, $droppable, event, ui) {
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var dragModel = '',
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dropModel = '',
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dragSettings = {},
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dropSettings = {},
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jqyoui_pos = null,
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dragItem = {},
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dropItem = {},
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dragModelValue,
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dropModelValue,
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$droppableDraggable = null,
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droppableScope = $droppable.scope(),
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draggableScope = $draggable.scope(),
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data = {};
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dragModel = $draggable.ngattr('ng-model');
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dropModel = $droppable.ngattr('ng-model');
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dragModelValue = draggableScope.$eval(dragModel);
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dropModelValue = droppableScope.$eval(dropModel);
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$droppableDraggable = $droppable.find('[jqyoui-draggable]:last');
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dropSettings = droppableScope.$eval($droppable.attr('jqyoui-droppable')) || [];
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dragSettings = draggableScope.$eval($draggable.attr('jqyoui-draggable')) || [];
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// Helps pick up the right item
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dragSettings.index = this.fixIndex(draggableScope, dragSettings, dragModelValue);
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dropSettings.index = this.fixIndex(droppableScope, dropSettings, dropModelValue);
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jqyoui_pos = angular.isArray(dragModelValue) ? dragSettings.index : null;
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dragItem = angular.isArray(dragModelValue) ? dragModelValue[jqyoui_pos] : dragModelValue;
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if (angular.isArray(dropModelValue) && dropSettings && dropSettings.index !== undefined) {
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dropItem = dropModelValue[dropSettings.index];
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} else if (!angular.isArray(dropModelValue)) {
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dropItem = dropModelValue;
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} else {
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dropItem = {};
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}
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data = {
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dragModel: dragModel,
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dropModel: dropModel,
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dragSettings: dragSettings,
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dropSettings: dropSettings,
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jqyoui_pos: jqyoui_pos,
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dragItem: dragItem,
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dropItem: dropItem,
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dragModelValue: dragModelValue,
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dropModelValue: dropModelValue,
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droppableScope: $droppable.scope(),
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draggableScope: $draggable.scope()
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};
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if (dragSettings.animate === true) {
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this.move($draggable, $droppableDraggable.length > 0 ? $droppableDraggable : $droppable, null, 'fast', dropSettings, null);
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this.move($droppableDraggable.length > 0 && !dropSettings.multiple ? $droppableDraggable : [], $draggable.parent('[jqyoui-droppable]'), jqyoui.startXY, 'fast', dropSettings, function() {
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$timeout(function() {
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// Do not move this into move() to avoid flickering issue
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$draggable.css({'position': 'relative', 'left': '', 'top': ''});
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$droppableDraggable.css({'position': 'relative', 'left': '', 'top': ''});
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if(dragSettings.mutate !== false) {
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this.mutateDraggable(draggableScope, dropSettings, dragSettings, dragModel, dropModel, dropItem, $draggable);
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}
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if(dropSettings.mutate !== false) {
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this.mutateDroppable(droppableScope, dropSettings, dragSettings, dropModel, dragItem, jqyoui_pos);
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}
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this.callEventCallback(droppableScope, dropSettings.onDrop, event, ui, data);
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}.bind(this));
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}.bind(this));
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} else {
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$timeout(function() {
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if(dragSettings.mutate !== false) {
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this.mutateDraggable(draggableScope, dropSettings, dragSettings, dragModel, dropModel, dropItem, $draggable);
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}
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if(dropSettings.mutate !== false) {
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this.mutateDroppable(droppableScope, dropSettings, dragSettings, dropModel, dragItem, jqyoui_pos);
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}
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this.callEventCallback(droppableScope, dropSettings.onDrop, event, ui, data);
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}.bind(this));
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}
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};
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this.move = function($fromEl, $toEl, toPos, duration, dropSettings, callback) {
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if ($fromEl.length === 0) {
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if (callback) {
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window.setTimeout(function() {
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callback();
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}, 300);
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}
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return false;
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}
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var zIndex = 9999,
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fromPos = $fromEl.offset(),
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wasVisible = $toEl && $toEl.is(':visible');
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if (toPos === null && $toEl.length > 0) {
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if ($toEl.attr('jqyoui-draggable') !== undefined && $toEl.ngattr('ng-model') !== undefined && $toEl.is(':visible') && dropSettings && dropSettings.multiple) {
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toPos = $toEl.offset();
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if (dropSettings.stack === false) {
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toPos.left+= $toEl.outerWidth(true);
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} else {
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toPos.top+= $toEl.outerHeight(true);
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}
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} else {
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toPos = $toEl.css({'visibility': 'hidden', 'display': 'block'}).offset();
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$toEl.css({'visibility': '','display': wasVisible ? '' : 'none'});
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}
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}
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$fromEl.css({'position': 'absolute', 'z-index': zIndex})
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.css(fromPos)
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.animate(toPos, duration, function() {
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if (callback) callback();
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});
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};
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this.mutateDroppable = function(scope, dropSettings, dragSettings, dropModel, dragItem, jqyoui_pos) {
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var dropModelValue = scope.$eval(dropModel);
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scope.__dragItem = dragItem;
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if (angular.isArray(dropModelValue)) {
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if (dropSettings && dropSettings.index >= 0) {
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dropModelValue[dropSettings.index] = dragItem;
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} else {
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dropModelValue.push(dragItem);
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}
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if (dragSettings && dragSettings.placeholder === true) {
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dropModelValue[dropModelValue.length - 1]['jqyoui_pos'] = jqyoui_pos;
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}
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} else {
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$parse(dropModel + ' = __dragItem')(scope);
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if (dragSettings && dragSettings.placeholder === true) {
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dropModelValue['jqyoui_pos'] = jqyoui_pos;
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}
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}
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};
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this.mutateDraggable = function(scope, dropSettings, dragSettings, dragModel, dropModel, dropItem, $draggable) {
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var isEmpty = angular.equals(angular.copy(dropItem), {}),
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dragModelValue = scope.$eval(dragModel);
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scope.__dropItem = dropItem;
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if (dragSettings && dragSettings.placeholder) {
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if (dragSettings.placeholder != 'keep'){
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if (angular.isArray(dragModelValue) && dragSettings.index !== undefined) {
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dragModelValue[dragSettings.index] = dropItem;
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} else {
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$parse(dragModel + ' = __dropItem')(scope);
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}
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}
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} else {
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if (angular.isArray(dragModelValue)) {
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if (isEmpty) {
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if (dragSettings && ( dragSettings.placeholder !== true && dragSettings.placeholder !== 'keep' )) {
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dragModelValue.splice(dragSettings.index, 1);
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}
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} else {
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dragModelValue[dragSettings.index] = dropItem;
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}
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} else {
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// Fix: LIST(object) to LIST(array) - model does not get updated using just scope[dragModel] = {...}
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// P.S.: Could not figure out why it happened
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$parse(dragModel + ' = __dropItem')(scope);
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if (scope.$parent) {
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$parse(dragModel + ' = __dropItem')(scope.$parent);
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}
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}
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}
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$draggable.css({'z-index': '', 'left': '', 'top': ''});
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};
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this.fixIndex = function(scope, settings, modelValue) {
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if (settings.applyFilter && angular.isArray(modelValue) && modelValue.length > 0) {
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var dragModelValueFiltered = scope[settings.applyFilter](),
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lookup = dragModelValueFiltered[settings.index],
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actualIndex = undefined;
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modelValue.forEach(function(item, i) {
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if (angular.equals(item, lookup)) {
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actualIndex = i;
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}
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});
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return actualIndex;
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}
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return settings.index;
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};
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}]).directive('jqyouiDraggable', ['ngDragDropService', function(ngDragDropService) {
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return {
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require: '?jqyouiDroppable',
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restrict: 'A',
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link: function(scope, element, attrs) {
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var dragSettings, zIndex;
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var updateDraggable = function(newValue, oldValue) {
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if (newValue) {
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dragSettings = scope.$eval(element.attr('jqyoui-draggable')) || [];
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element
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.draggable({disabled: false})
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.draggable(scope.$eval(attrs.jqyouiOptions) || {})
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.draggable({
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start: function(event, ui) {
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zIndex = angular.element(this).css('z-index');
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angular.element(this).css('z-index', 99999);
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jqyoui.startXY = angular.element(this).offset();
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ngDragDropService.callEventCallback(scope, dragSettings.onStart, event, ui);
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},
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stop: function(event, ui) {
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angular.element(this).css('z-index', zIndex);
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ngDragDropService.callEventCallback(scope, dragSettings.onStop, event, ui);
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},
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drag: function(event, ui) {
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ngDragDropService.callEventCallback(scope, dragSettings.onDrag, event, ui);
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}
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});
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} else {
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element.draggable({disabled: true});
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}
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};
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scope.$watch(function() { return scope.$eval(attrs.drag); }, updateDraggable);
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updateDraggable();
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}
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};
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}]).directive('jqyouiDroppable', ['ngDragDropService', function(ngDragDropService) {
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return {
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restrict: 'A',
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priority: 1,
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link: function(scope, element, attrs) {
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var updateDroppable = function(newValue, oldValue) {
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if (newValue) {
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element
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.droppable({disabled: false})
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.droppable(scope.$eval(attrs.jqyouiOptions) || {})
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.droppable({
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over: function(event, ui) {
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var dropSettings = scope.$eval(angular.element(this).attr('jqyoui-droppable')) || [];
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ngDragDropService.callEventCallback(scope, dropSettings.onOver, event, ui);
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},
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out: function(event, ui) {
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var dropSettings = scope.$eval(angular.element(this).attr('jqyoui-droppable')) || [];
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ngDragDropService.callEventCallback(scope, dropSettings.onOut, event, ui);
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},
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drop: function(event, ui) {
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if (angular.element(ui.draggable).ngattr('ng-model') && attrs.ngModel) {
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ngDragDropService.invokeDrop(angular.element(ui.draggable), angular.element(this), event, ui);
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} else {
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ngDragDropService.callEventCallback(scope, (scope.$eval(angular.element(this).attr('jqyoui-droppable')) || []).onDrop, event, ui);
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}
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}
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});
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} else {
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element.droppable({disabled: true});
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}
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};
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scope.$watch(function() { return scope.$eval(attrs.drop); }, updateDroppable);
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updateDroppable();
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}
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};
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}]);
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$.fn.ngattr = function(name, value) {
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var element = angular.element(this).get(0);
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return element.getAttribute(name) || element.getAttribute('data-' + name);
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};
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})(window, window.angular); |