312 lines
12 KiB
JavaScript
312 lines
12 KiB
JavaScript
(function (requirejs, require, define) {
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define(['js/capa/drag_and_drop/logme', 'js/capa/drag_and_drop/draggable_events', 'js/capa/drag_and_drop/draggable_logic'], function (logme, draggableEvents, draggableLogic) {
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return {
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'init': init
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};
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function init(state) {
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state.config.draggables.every(function (draggable) {
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processDraggable(state, draggable);
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return true;
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});
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}
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function makeDraggableCopy(callbackFunc) {
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var draggableObj, property;
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// Make a full proper copy of the draggable object, with some modifications.
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draggableObj = {};
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for (property in this) {
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if (this.hasOwnProperty(property) === true) {
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draggableObj[property] = this[property];
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}
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}
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// The modifications to the draggable copy.
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draggableObj.isOriginal = false; // This new draggable is a copy.
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draggableObj.uniqueId = draggableObj.state.getUniqueId(); // Is newly set.
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draggableObj.stateDraggablesIndex = null; // Will be set.
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draggableObj.containerEl = null; // Not needed, since a copy will never return to a container element.
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draggableObj.iconEl = null; // Will be created.
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draggableObj.iconImgEl = null; // Will be created.
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draggableObj.labelEl = null; // Will be created.
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draggableObj.targetField = []; // Will be populated.
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// Create DOM elements and attach events.
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if (draggableObj.originalConfigObj.icon.length > 0) {
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draggableObj.iconEl = $('<div></div>');
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draggableObj.iconImgEl = $('<img />');
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draggableObj.iconImgEl.attr('src', draggableObj.originalConfigObj.icon);
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draggableObj.iconImgEl.load(function () {
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draggableObj.iconEl.css({
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'position': 'absolute',
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'width': draggableObj.iconWidthSmall,
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'height': draggableObj.iconHeightSmall,
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'left': 50 - draggableObj.iconWidthSmall * 0.5,
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'top': ((draggableObj.originalConfigObj.label.length > 0) ? 5 : 50 - draggableObj.iconHeightSmall * 0.5)
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});
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draggableObj.iconImgEl.css({
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'position': 'absolute',
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'width': draggableObj.iconWidthSmall,
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'height': draggableObj.iconHeightSmall,
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'left': 0,
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'top': 0
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});
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draggableObj.iconImgEl.appendTo(draggableObj.iconEl);
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if (draggableObj.originalConfigObj.label.length > 0) {
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draggableObj.labelEl = $(
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'<div ' +
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'style=" ' +
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'position: absolute; ' +
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'color: black; ' +
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'font-size: 0.95em; ' +
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'" ' +
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'>' +
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draggableObj.originalConfigObj.label +
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'</div>'
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);
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draggableObj.labelEl.css({
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'left': 50 - draggableObj.labelWidth * 0.5,
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'top': 5 + draggableObj.iconHeightSmall + 5
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});
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draggableObj.attachMouseEventsTo('labelEl');
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}
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draggableObj.attachMouseEventsTo('iconEl');
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draggableObj.stateDraggablesIndex = draggableObj.state.draggables.push(draggableObj) - 1;
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setTimeout(function () {
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callbackFunc(draggableObj);
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}, 0);
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});
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return;
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} else {
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if (draggableObj.originalConfigObj.label.length > 0) {
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draggableObj.iconEl = $(
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'<div ' +
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'style=" ' +
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'position: absolute; ' +
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'color: black; ' +
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'font-size: 0.95em; ' +
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'" ' +
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'>' +
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draggableObj.originalConfigObj.label +
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'</div>'
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);
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draggableObj.iconEl.css({
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'left': 50 - draggableObj.iconWidthSmall * 0.5,
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'top': 50 - draggableObj.iconHeightSmall * 0.5
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});
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draggableObj.attachMouseEventsTo('iconEl');
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draggableObj.stateDraggablesIndex = draggableObj.state.draggables.push(draggableObj) - 1;
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setTimeout(function () {
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callbackFunc(draggableObj);
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}, 0);
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return;
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}
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}
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}
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function processDraggable(state, obj) {
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var draggableObj;
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draggableObj = {
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'uniqueId': state.getUniqueId(),
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'originalConfigObj': obj,
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'stateDraggablesIndex': null,
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'id': obj.id,
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'isReusable': obj.can_reuse,
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'isOriginal': true,
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'x': -1,
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'y': -1,
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'zIndex': 1,
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'containerEl': null,
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'iconEl': null,
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'iconImgEl': null,
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'iconElBGColor': null,
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'iconElPadding': null,
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'iconElBorder': null,
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'iconElLeftOffset': null,
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'iconWidth': null,
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'iconHeight': null,
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'iconWidthSmall': null,
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'iconHeightSmall': null,
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'labelEl': null,
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'labelWidth': null,
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'hasLoaded': false,
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'inContainer': true,
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'mousePressed': false,
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'onTarget': null,
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'onTargetIndex': null,
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'state': state,
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'mouseDown': draggableEvents.mouseDown,
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'mouseUp': draggableEvents.mouseUp,
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'mouseMove': draggableEvents.mouseMove,
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'checkLandingElement': draggableLogic.checkLandingElement,
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'checkIfOnTarget': draggableLogic.checkIfOnTarget,
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'snapToTarget': draggableLogic.snapToTarget,
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'correctZIndexes': draggableLogic.correctZIndexes,
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'moveBackToSlider': draggableLogic.moveBackToSlider,
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'moveDraggableTo': draggableLogic.moveDraggableTo,
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'makeDraggableCopy': makeDraggableCopy,
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'attachMouseEventsTo': draggableEvents.attachMouseEventsTo,
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'targetField': [],
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'numDraggablesOnMe': 0
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};
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draggableObj.containerEl = $(
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'<div ' +
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'style=" ' +
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'width: 100px; ' +
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'height: 100px; ' +
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'display: inline; ' +
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'float: left; ' +
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'overflow: hidden; ' +
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'border-left: 1px solid #CCC; ' +
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'border-right: 1px solid #CCC; ' +
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'text-align: center; ' +
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'position: relative; ' +
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'" ' +
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'></div>'
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);
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draggableObj.containerEl.appendTo(state.sliderEl);
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if (obj.icon.length > 0) {
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draggableObj.iconElBGColor = 'transparent';
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draggableObj.iconElPadding = 0;
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draggableObj.iconElBorder = 'none';
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draggableObj.iconElLeftOffset = 0;
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draggableObj.iconEl = $('<div></div>');
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draggableObj.iconImgEl = $('<img />');
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draggableObj.iconImgEl.attr('src', obj.icon);
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draggableObj.iconImgEl.load(function () {
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draggableObj.iconWidth = this.width;
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draggableObj.iconHeight = this.height;
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if (draggableObj.iconWidth >= draggableObj.iconHeight) {
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draggableObj.iconWidthSmall = 60;
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draggableObj.iconHeightSmall = draggableObj.iconWidthSmall * (draggableObj.iconHeight / draggableObj.iconWidth);
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} else {
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draggableObj.iconHeightSmall = 60;
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draggableObj.iconWidthSmall = draggableObj.iconHeightSmall * (draggableObj.iconWidth / draggableObj.iconHeight);
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}
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draggableObj.iconEl.css({
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'position': 'absolute',
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'width': draggableObj.iconWidthSmall,
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'height': draggableObj.iconHeightSmall,
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'left': 50 - draggableObj.iconWidthSmall * 0.5,
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// Before:
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// 'top': ((obj.label.length > 0) ? (100 - draggableObj.iconHeightSmall - 25) * 0.5 : 50 - draggableObj.iconHeightSmall * 0.5)
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// After:
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'top': ((obj.label.length > 0) ? 37.5 : 50.0) - 0.5 * draggableObj.iconHeightSmall
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});
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draggableObj.iconImgEl.css({
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'position': 'absolute',
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'width': draggableObj.iconWidthSmall,
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'height': draggableObj.iconHeightSmall,
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'left': 0,
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'top': 0
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});
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draggableObj.iconImgEl.appendTo(draggableObj.iconEl);
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draggableObj.iconEl.appendTo(draggableObj.containerEl);
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if (obj.label.length > 0) {
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draggableObj.labelEl = $(
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'<div ' +
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'style=" ' +
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'position: absolute; ' +
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'color: black; ' +
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'font-size: 0.95em; ' +
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'" ' +
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'>' +
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obj.label +
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'</div>'
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);
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draggableObj.labelEl.appendTo(draggableObj.containerEl);
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draggableObj.labelWidth = draggableObj.labelEl.width();
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draggableObj.labelEl.css({
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'left': 50 - draggableObj.labelWidth * 0.5,
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// Before:
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// 'top': (100 - this.iconHeightSmall - 25) * 0.5 + this.iconHeightSmall + 5
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// After:
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'top': 42.5 + 0.5 * draggableObj.iconHeightSmall
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});
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draggableObj.attachMouseEventsTo('labelEl');
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}
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draggableObj.hasLoaded = true;
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});
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} else {
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// To make life easier, if there is no icon, but there is a
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// label, we will create a label and store it as if it was an
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// icon. All the existing code will work, and the user will
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// see a label instead of an icon.
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if (obj.label.length > 0) {
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draggableObj.iconElBGColor = state.config.labelBgColor;
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draggableObj.iconElPadding = 8;
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draggableObj.iconElBorder = '1px solid black';
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draggableObj.iconElLeftOffset = 9;
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draggableObj.iconEl = $(
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'<div ' +
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'style=" ' +
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'position: absolute; ' +
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'color: black; ' +
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'font-size: 0.95em; ' +
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'" ' +
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'>' +
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obj.label +
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'</div>'
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);
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draggableObj.iconEl.appendTo(draggableObj.containerEl);
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draggableObj.iconWidth = draggableObj.iconEl.width();
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draggableObj.iconHeight = draggableObj.iconEl.height();
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draggableObj.iconWidthSmall = draggableObj.iconWidth;
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draggableObj.iconHeightSmall = draggableObj.iconHeight;
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draggableObj.iconEl.css({
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'left': 50 - draggableObj.iconWidthSmall * 0.5,
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'top': 50 - draggableObj.iconHeightSmall * 0.5
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});
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draggableObj.hasLoaded = true;
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} else {
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// If no icon and no label, don't create a draggable.
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return;
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}
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}
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draggableObj.attachMouseEventsTo('iconEl');
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draggableObj.attachMouseEventsTo('containerEl');
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state.numDraggablesInSlider += 1;
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draggableObj.stateDraggablesIndex = state.draggables.push(draggableObj) - 1;
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}
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}); // End-of: define(['logme', 'draggable_events', 'draggable_logic'], function (logme, draggableEvents, draggableLogic) {
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}(RequireJS.requirejs, RequireJS.require, RequireJS.define)); // End-of: (function (requirejs, require, define) {
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