586 lines
25 KiB
JavaScript
586 lines
25 KiB
JavaScript
/*
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*
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* (c) Copyright Ascensio System SIA 2010-2019
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*
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* This program is a free software product. You can redistribute it and/or
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* modify it under the terms of the GNU Affero General Public License (AGPL)
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* version 3 as published by the Free Software Foundation. In accordance with
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* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
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* that Ascensio System SIA expressly excludes the warranty of non-infringement
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* of any third-party rights.
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*
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* This program is distributed WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
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* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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*
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* You can contact Ascensio System SIA at 20A-12 Ernesta Birznieka-Upisha
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* street, Riga, Latvia, EU, LV-1050.
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*
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* The interactive user interfaces in modified source and object code versions
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* of the Program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU AGPL version 3.
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*
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* Pursuant to Section 7(b) of the License you must retain the original Product
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* logo when distributing the program. Pursuant to Section 7(e) we decline to
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* grant you any rights under trademark law for use of our trademarks.
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*
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* All the Product's GUI elements, including illustrations and icon sets, as
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* well as technical writing content are licensed under the terms of the
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* Creative Commons Attribution-ShareAlike 4.0 International. See the License
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* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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*
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*/
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/**
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* ComboBoxFonts.js
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*
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* Created by Alexander Yuzhin on 2/11/14
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* Copyright (c) 2018 Ascensio System SIA. All rights reserved.
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*
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*/
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if (Common === undefined)
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var Common = {};
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var FONT_TYPE_RECENT = 4;
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define([
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'common/main/lib/component/ComboBox'
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], function () {
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'use strict';
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Common.UI.ComboBoxFonts = Common.UI.ComboBox.extend((function() {
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var iconWidth = 300,
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iconHeight = Asc.FONT_THUMBNAIL_HEIGHT || 28,
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thumbCanvas = document.createElement('canvas'),
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thumbContext = thumbCanvas.getContext('2d'),
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thumbs = [
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{ratio: 1, path: '../../../../sdkjs/common/Images/fonts_thumbnail.png', width: iconWidth, height: iconHeight},
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{ratio: 1.25, path: '../../../../sdkjs/common/Images/fonts_thumbnail@1.25x.png', width: iconWidth * 1.25, height: iconHeight * 1.25},
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{ratio: 1.5, path: '../../../../sdkjs/common/Images/fonts_thumbnail@1.5x.png', width: iconWidth * 1.5, height: iconHeight * 1.5},
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{ratio: 1.75, path: '../../../../sdkjs/common/Images/fonts_thumbnail@1.75x.png', width: iconWidth * 1.75, height: iconHeight * 1.75},
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{ratio: 2, path: '../../../../sdkjs/common/Images/fonts_thumbnail@2x.png', width: iconWidth * 2, height: iconHeight * 2}
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],
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thumbIdx = 0,
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listItemHeight = 28,
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spriteCols = 1,
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applicationPixelRatio = Common.Utils.applicationPixelRatio();
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if (typeof window['AscDesktopEditor'] === 'object') {
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thumbs[0].path = window['AscDesktopEditor'].getFontsSprite('');
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thumbs[1].path = window['AscDesktopEditor'].getFontsSprite('@1.25x');
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thumbs[2].path = window['AscDesktopEditor'].getFontsSprite('@1.5x');
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thumbs[3].path = window['AscDesktopEditor'].getFontsSprite('@1.75x');
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thumbs[4].path = window['AscDesktopEditor'].getFontsSprite('@2x');
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}
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var bestDistance = Math.abs(applicationPixelRatio-thumbs[0].ratio);
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var currentDistance = 0;
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for (var i=1; i<thumbs.length; i++) {
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currentDistance = Math.abs(applicationPixelRatio-thumbs[i].ratio);
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if (currentDistance < (bestDistance - 0.0001))
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{
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bestDistance = currentDistance;
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thumbIdx = i;
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}
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}
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thumbCanvas.height = thumbs[thumbIdx].height;
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thumbCanvas.width = thumbs[thumbIdx].width;
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return {
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template: _.template([
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'<div class="input-group combobox fonts <%= cls %>" id="<%= id %>" style="<%= style %>">',
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'<input type="text" class="form-control" spellcheck="false"> ',
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'<div style="display: table-cell;"></div>',
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'<button type="button" class="btn btn-default dropdown-toggle" data-toggle="dropdown"><span class="caret"></span></button>',
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'<ul class="dropdown-menu <%= menuCls %>" style="<%= menuStyle %>" role="menu">',
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'<li class="divider">',
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'<% _.each(items, function(item) { %>',
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'<li id="<%= item.id %>">',
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'<a class="font-item" tabindex="-1" type="menuitem" style="height:<%=scope.getListItemHeight()%>px;"></a>',
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'</li>',
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'<% }); %>',
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'</ul>',
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'</div>'
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].join('')),
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initialize : function(options) {
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Common.UI.ComboBox.prototype.initialize.call(this, _.extend(options, {
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displayField: 'name',
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scroller: {
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wheelSpeed: 20,
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alwaysVisibleY: true,
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onChange: this.updateVisibleFontsTiles.bind(this)
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}
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}));
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this.recent = _.isNumber(options.recent) ? options.recent : 5;
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var filter = Common.localStorage.getKeysFilter();
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this.appPrefix = (filter && filter.length) ? filter.split(',')[0] : '';
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// Common.NotificationCenter.on('fonts:change', _.bind(this.onApiChangeFont, this));
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Common.NotificationCenter.on('fonts:load', _.bind(this.fillFonts, this));
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},
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render : function(parentEl) {
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var oldRawValue = null;
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var oldTabindex = '';
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if (!_.isUndefined(this._input)) {
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oldRawValue = this._input.val();
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oldTabindex = this._input.attr('tabindex');
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}
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Common.UI.ComboBox.prototype.render.call(this, parentEl);
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this.setRawValue(oldRawValue);
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this._input.attr('tabindex', oldTabindex);
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this._input.on('keyup', _.bind(this.onInputKeyUp, this));
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this._input.on('keydown', _.bind(this.onInputKeyDown, this));
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this._input.on('focus', _.bind(function() {this.inFormControl = true;}, this));
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this._input.on('blur', _.bind(function() {this.inFormControl = false;}, this));
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return this;
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},
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onAfterKeydownMenu: function(e) {
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var me = this;
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if (e.keyCode == Common.UI.Keys.RETURN) {
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if ($(e.target).closest('input').length) { // enter in input field
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if (this.lastValue !== this._input.val())
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this._input.trigger('change');
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else
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return true;
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} else { // enter in dropdown list
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$(e.target).click();
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if (this.rendered) {
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if (Common.Utils.isIE)
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this._input.trigger('change', { onkeydown: true });
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else
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this._input.blur();
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}
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}
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return false;
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} else if (e.keyCode == Common.UI.Keys.ESC && this.isMenuOpen()) {
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this._input.val(this.lastValue);
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setTimeout(function() {
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me.closeMenu();
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me.onAfterHideMenu(e);
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}, 10);
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return false;
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} else if ((e.keyCode == Common.UI.Keys.HOME && !e.shiftKey || e.keyCode == Common.UI.Keys.END && !e.shiftKey || e.keyCode == Common.UI.Keys.BACKSPACE && !me._input.is(':focus')) && this.isMenuOpen()) {
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me._input.focus();
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setTimeout(function() {
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me._input[0].selectionStart = me._input[0].selectionEnd = (e.keyCode == Common.UI.Keys.HOME) ? 0 : me._input[0].value.length;
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}, 10);
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}
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this.updateVisibleFontsTiles();
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},
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onInputKeyUp: function(e) {
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if (e.keyCode != Common.UI.Keys.RETURN && e.keyCode !== Common.UI.Keys.SHIFT &&
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e.keyCode !== Common.UI.Keys.CTRL && e.keyCode !== Common.UI.Keys.ALT &&
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e.keyCode !== Common.UI.Keys.LEFT && e.keyCode !== Common.UI.Keys.RIGHT &&
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e.keyCode !== Common.UI.Keys.HOME && e.keyCode !== Common.UI.Keys.END &&
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e.keyCode !== Common.UI.Keys.ESC &&
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e.keyCode !== Common.UI.Keys.INSERT && e.keyCode !== Common.UI.Keys.TAB){
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e.stopPropagation();
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this.selectCandidate(e.keyCode == Common.UI.Keys.DELETE || e.keyCode == Common.UI.Keys.BACKSPACE);
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if (this._selectedItem) {
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var me = this;
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if (me._timerSelection===undefined)
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me._timerSelection = setInterval(function(){
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if ((new Date()) - me._inInputKeyDown<100 || !me._selectedItem) return;
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clearInterval(me._timerSelection);
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me._timerSelection = undefined;
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var input = me._input[0],
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text = me._selectedItem.get(me.displayField),
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inputVal = input.value;
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if (me.rendered) {
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if (document.selection) { // IE
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document.selection.createRange().text = text;
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} else if (input.selectionStart || input.selectionStart == '0') { //FF и Webkit
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input.value = text;
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input.selectionStart = inputVal.length;
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input.selectionEnd = text.length;
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}
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}
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}, 10);
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}
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}
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},
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onInputKeyDown: function(e) {
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this._inInputKeyDown = (new Date());
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var me = this;
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if (e.keyCode == Common.UI.Keys.ESC){
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this._input.val(this.lastValue);
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setTimeout(function() {
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me.closeMenu();
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me.onAfterHideMenu(e);
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}, 10);
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} else if (e.keyCode != Common.UI.Keys.RETURN && e.keyCode != Common.UI.Keys.CTRL && e.keyCode != Common.UI.Keys.SHIFT && e.keyCode != Common.UI.Keys.ALT && e.keyCode != Common.UI.Keys.TAB){
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if (!this.isMenuOpen() && !e.ctrlKey)
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this.openMenu();
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if (e.keyCode == Common.UI.Keys.UP || e.keyCode == Common.UI.Keys.DOWN) {
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_.delay(function() {
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var selected = (e.keyCode == Common.UI.Keys.DOWN) ? me.cmpEl.find('ul li.selected').nextAll('li:not(.divider)') : me.cmpEl.find('ul li.selected').prevAll('li:not(.divider)');
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selected = (selected.length>0) ? selected.eq(0) : ((e.keyCode == Common.UI.Keys.DOWN) ? me.cmpEl.find('ul li:not(.divider):first') : me.cmpEl.find('ul li:not(.divider):last'));
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selected = selected.find('a');
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me._skipInputChange = true;
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selected.focus();
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me.updateVisibleFontsTiles();
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}, 10);
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} else
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me._skipInputChange = false;
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} else if (e.keyCode == Common.UI.Keys.RETURN && this._input.val() === me.lastValue){
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this._input.trigger('change', { reapply: true });
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}
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},
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onInputChanged: function(e, extra) {
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// skip processing for internally-generated synthetic event
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// to avoid double processing
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if (extra && extra.synthetic)
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return;
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if (this._skipInputChange) {
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this._skipInputChange = false; return;
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}
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if (this._isMouseDownMenu) {
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this._isMouseDownMenu = false; return;
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}
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var val = $(e.target).val(),
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record = {};
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if (this.lastValue === val && !(extra && extra.reapply)) {
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if (extra && extra.onkeydown)
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this.trigger('combo:blur', this, e);
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return;
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}
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record[this.valueField] = val;
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record[this.displayField] = val;
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this.trigger('changed:before', this, record, e);
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if (e.isDefaultPrevented())
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return;
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if (this._selectedItem) {
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record[this.valueField] = this._selectedItem.get(this.displayField);
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this.setRawValue(record[this.valueField]);
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this.trigger('selected', this, _.extend({}, this._selectedItem.toJSON()), e);
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this.addItemToRecent(this._selectedItem);
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this.closeMenu();
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} else {
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this.setRawValue(record[this.valueField]);
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record['isNewFont'] = true;
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this.trigger('selected', this, record, e);
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this.closeMenu();
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}
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// trigger changed event
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this.trigger('changed:after', this, record, e);
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},
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getImageUri: function(opts) {
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if (opts.cloneid) {
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var img = $(this.el).find('ul > li#'+opts.cloneid + ' img');
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return img != null ? img[0].src : undefined;
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}
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thumbContext.clearRect(0, 0, thumbs[thumbIdx].width, thumbs[thumbIdx].height);
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thumbContext.drawImage(this.spriteThumbs, 0, -thumbs[thumbIdx].height * Math.floor(opts.imgidx/spriteCols));
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return thumbCanvas.toDataURL();
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},
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getImageWidth: function() {
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return iconWidth;
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},
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getImageHeight: function() {
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return iconHeight;
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},
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getListItemHeight: function() {
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return listItemHeight;
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},
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loadSprite: function(callback) {
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if (callback) {
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this.spriteThumbs = new Image();
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this.spriteThumbs.onload = callback;
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this.spriteThumbs.src = thumbs[thumbIdx].path;
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}
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},
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fillFonts: function(store, select) {
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var me = this;
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this.loadSprite(function() {
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spriteCols = Math.floor(me.spriteThumbs.width / (thumbs[thumbIdx].width)) || 1;
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me.store.set(store.toJSON());
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me.rendered = false;
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if (!_.isUndefined(me.scroller)) {
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me.scroller.destroy();
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delete me.scroller;
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}
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me._scrollerIsInited = false;
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me.render($(me.el));
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me._fontsArray = me.store.toJSON();
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if (me.recent > 0) {
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me.store.on('add', me.onInsertItem, me);
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me.store.on('remove', me.onRemoveItem, me);
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Common.Utils.InternalSettings.set(me.appPrefix + "-settings-recent-fonts", Common.localStorage.getItem(me.appPrefix + "-settings-recent-fonts"));
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var arr = Common.Utils.InternalSettings.get(me.appPrefix + "-settings-recent-fonts");
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arr = arr ? arr.split(';') : [];
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arr.reverse().forEach(function(item) {
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item && me.addItemToRecent(me.store.findWhere({name: item}), true);
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});
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}
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});
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},
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onApiChangeFont: function(font) {
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var me = this;
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var name = (_.isFunction(font.get_Name) ? font.get_Name() : font.asc_getFontName());
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if (this.__name !== name) {
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this.__name = name;
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if (!this.__nameId) {
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this.__nameId = setTimeout(function () {
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me.onApiChangeFontInternal(me.__name);
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me.__nameId = null;
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}, 100);
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}
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}
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},
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onApiChangeFontInternal: function(name) {
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if (this.inFormControl) return;
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if (this.getRawValue() !== name) {
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var record = this.store.findWhere({
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name: name
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});
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$('.selected', $(this.el)).removeClass('selected');
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if (record) {
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this.setRawValue(record.get(this.displayField));
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var itemNode = $('#' + record.get('id'), $(this.el)),
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menuNode = $('ul.dropdown-menu', this.cmpEl);
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if (itemNode && menuNode) {
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itemNode.addClass('selected');
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if (this.recent<=0)
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menuNode.scrollTop(itemNode.offset().top - menuNode.offset().top);
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}
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} else {
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this.setRawValue(name);
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}
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}
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},
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itemClicked: function (e) {
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this.__name = undefined;
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if (this.__nameId) {
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clearTimeout(this.__nameId);
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this.__nameId = undefined;
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}
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Common.UI.ComboBox.prototype.itemClicked.apply(this, arguments);
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var el = $(e.target).closest('li');
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var record = this.store.findWhere({id: el.attr('id')});
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this.addItemToRecent(record);
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},
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onInsertItem: function(item) {
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$(this.el).find('ul').prepend(_.template([
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'<li id="<%= item.id %>">',
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'<a class="font-item" tabindex="-1" type="menuitem" style="height:<%=scope.getListItemHeight()%>px;"></a>',
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'</li>'
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].join(''))({
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item: item.attributes,
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scope: this
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}));
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},
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onRemoveItem: function(item, store, opts) {
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$(this.el).find('ul > li#'+item.id).remove();
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},
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onBeforeShowMenu: function(e) {
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if (this.store.length<1) {
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e.preventDefault();
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return;
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}
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Common.UI.ComboBox.prototype.onBeforeShowMenu.apply(this, arguments);
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if (!this.getSelectedRecord() && !!this.getRawValue()) {
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var record = this.store.where({name: this.getRawValue()});
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if (record && record.length) {
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this.selectRecord(record[record.length - 1]);
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}
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}
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},
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onAfterShowMenu: function(e) {
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if (this.recent > 0) {
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if (this.scroller && !this._scrollerIsInited) {
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this.scroller.update();
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this._scrollerIsInited = true;
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}
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$(this.el).find('ul').scrollTop(0);
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this.trigger('show:after', this, e);
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this.flushVisibleFontsTiles();
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this.updateVisibleFontsTiles(null, 0);
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} else {
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Common.UI.ComboBox.prototype.onAfterShowMenu.apply(this, arguments);
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}
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},
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onAfterHideMenu: function(e) {
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if (this.lastValue !== this._input.val())
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this._input.val(this.lastValue);
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Common.UI.ComboBox.prototype.onAfterHideMenu.apply(this, arguments);
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},
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addItemToRecent: function(record, silent) {
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if (!record || this.recent<1) return;
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var font = this.store.findWhere({name: record.get('name'),type:FONT_TYPE_RECENT});
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font && this.store.remove(font);
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var fonts = this.store.where({type:FONT_TYPE_RECENT});
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if (!(fonts.length < this.recent)) {
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this.store.remove(fonts[this.recent - 1]);
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}
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var new_record = record.clone();
|
|
new_record.set({'type': FONT_TYPE_RECENT, 'id': Common.UI.getId(), cloneid: record.id});
|
|
this.store.add(new_record, {at:0});
|
|
|
|
if (!silent) {
|
|
var arr = [];
|
|
this.store.where({type:FONT_TYPE_RECENT}).forEach(function(item){
|
|
arr.push(item.get('name'));
|
|
});
|
|
arr = arr.join(';');
|
|
Common.localStorage.setItem(this.appPrefix + "-settings-recent-fonts", arr);
|
|
Common.Utils.InternalSettings.set(this.appPrefix + "-settings-recent-fonts", arr);
|
|
}
|
|
},
|
|
|
|
selectCandidate: function(full) {
|
|
var me = this,
|
|
inputVal = this._input.val().toLowerCase();
|
|
|
|
if (!this._fontsArray)
|
|
this._fontsArray = this.store.toJSON();
|
|
|
|
var font = _.find(this._fontsArray, function(font) {
|
|
return (full) ? (font[me.displayField].toLowerCase() == inputVal) : (font[me.displayField].toLowerCase().indexOf(inputVal) == 0)
|
|
});
|
|
|
|
if (font) {
|
|
this._selectedItem = this.store.findWhere({
|
|
id: font.id
|
|
});
|
|
} else
|
|
this._selectedItem = null;
|
|
|
|
$('.selected', $(this.el)).removeClass('selected');
|
|
|
|
if (this._selectedItem) {
|
|
var itemNode = $('#' + this._selectedItem.get('id'), $(this.el)),
|
|
menuEl = $('ul[role=menu]', $(this.el));
|
|
|
|
if (itemNode.length > 0 && menuEl.length > 0) {
|
|
itemNode.addClass('selected');
|
|
|
|
var itemTop = itemNode.position().top,
|
|
menuTop = menuEl.scrollTop();
|
|
|
|
if (itemTop != 0)
|
|
menuEl.scrollTop(menuTop + itemTop);
|
|
}
|
|
}
|
|
},
|
|
|
|
updateVisibleFontsTiles: function(e, scrollY) {
|
|
var me = this, j = 0, storeCount = me.store.length, index = 0;
|
|
|
|
if (!me.tiles) me.tiles = [];
|
|
if (storeCount !== me.tiles.length) {
|
|
for (j = me.tiles.length; j < storeCount; ++j) {
|
|
me.tiles.unshift(null);
|
|
}
|
|
}
|
|
|
|
if (_.isUndefined(scrollY)) scrollY = parseInt($(me.el).find('.ps-scrollbar-x-rail').css('bottom'));
|
|
|
|
var scrollH = $(me.el).find('.dropdown-menu').height(),
|
|
count = Math.max(Math.floor(scrollH / listItemHeight) + 3, 0),
|
|
from = Math.max(Math.floor(-(scrollY / listItemHeight)) - 1, 0),
|
|
to = from + count;
|
|
|
|
var listItems = $(me.el).find('a');
|
|
|
|
for (j = 0; j < storeCount; ++j) {
|
|
if (from <= j && j < to) {
|
|
if (null === me.tiles[j]) {
|
|
var fontImage = document.createElement('canvas');
|
|
var context = fontImage.getContext('2d');
|
|
|
|
fontImage.height = thumbs[thumbIdx].height;
|
|
fontImage.width = thumbs[thumbIdx].width;
|
|
|
|
fontImage.style.width = iconWidth + 'px';
|
|
fontImage.style.height = iconHeight + 'px';
|
|
|
|
index = Math.floor(me.store.at(j).get('imgidx')/spriteCols);
|
|
|
|
context.clearRect(0, 0, thumbs[thumbIdx].width, thumbs[thumbIdx].height);
|
|
context.drawImage(me.spriteThumbs, 0, -thumbs[thumbIdx].height * index);
|
|
|
|
me.tiles[j] = fontImage;
|
|
$(listItems[j]).get(0).appendChild(fontImage);
|
|
}
|
|
} else {
|
|
if (me.tiles[j]) {
|
|
me.tiles[j].parentNode.removeChild(me.tiles[j]);
|
|
me.tiles[j] = null;
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
flushVisibleFontsTiles: function() {
|
|
for (var j = this.tiles.length - 1; j >= 0; --j) {
|
|
if (this.tiles[j]) {
|
|
this.tiles[j].parentNode.removeChild(this.tiles[j]);
|
|
this.tiles[j] = null;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
})());
|
|
}); |