337 lines
14 KiB
JavaScript
337 lines
14 KiB
JavaScript
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/**
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* DocumentPreview.js
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*
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* Created by Julia Radzhabova on 4/18/14
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* Copyright (c) 2014 Ascensio System SIA. All rights reserved.
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*
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*/
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define([
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'jquery',
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'underscore',
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'backbone',
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'common/main/lib/component/BaseView',
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'presentationeditor/main/app/model/Pages'
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], function () {
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'use strict';
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function _updatePagesCaption(model,value,opts) {
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var curr = model.get('current'),
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cnt = model.get('count');
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$('#preview-label-slides').text(
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Common.Utils.String.format(this.slideIndexText, (curr<cnt) ? curr : cnt , cnt) );
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}
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PE.Views.DocumentPreview = Common.UI.BaseView.extend(_.extend({
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el: '#pe-preview',
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// Delegated events for creating new items, and clearing completed ones.
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events: {
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},
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options: {
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alias: 'DocumentPreview'
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},
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initialize : function(options) {
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_.extend(this.options, options || {});
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this.template = [
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'<div id="presentation-preview" style="width:100%; height:100%"></div>',
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'<div id="preview-controls-panel" class="preview-controls" style="position: absolute; bottom: 0;">',
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'<div class="preview-group" style="">',
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'<button id="btn-preview-prev" type="button" class="btn small btn-toolbar"><span class="btn-icon"> </span></button>',
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'<button id="btn-preview-play" type="button" class="btn small btn-toolbar"><span class="btn-icon"> </span></button>',
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'<button id="btn-preview-next" type="button" class="btn small btn-toolbar"><span class="btn-icon"> </span></button>',
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'<div class="separator"/>',
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'</div>',
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'<div class="preview-group dropup">',
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'<label id="preview-label-slides" class="status-label" data-toggle="dropdown">Slide 1 of 1</label>',
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'<div id="preview-goto-box" class="dropdown-menu">',
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'<label style="float:left;line-height:22px;">' + this.goToSlideText + '</label>',
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'<div id="preview-goto-page" style="display:inline-block;"></div>',
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'</div>',
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'</div>',
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'<div class="preview-group" style="">',
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'<div class="separator"/>',
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'<button id="btn-preview-fullscreen" type="button" class="btn small btn-toolbar"><span class="btn-icon"> </span></button>',
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'<div class="separator fullscreen"/>',
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'<button id="btn-preview-close" type="button" class="btn small btn-toolbar"><span class="btn-icon"> </span></button>',
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'</div>',
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'</div>'
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].join('');
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this.pages = new PE.Models.Pages({current:1, count:1});
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this.pages.on('change', _.bind(_updatePagesCaption,this));
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},
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render: function () {
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var el = $(this.el),
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me = this;
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el.html(_.template(this.template, {
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scope: this
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}));
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this.btnPrev = new Common.UI.Button({
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el: $('#btn-preview-prev',this.el),
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hint: this.txtPrev,
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hintAnchor: 'top'
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});
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this.btnPrev.on('click', _.bind(function() {
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if (this.api) this.api.DemonstrationPrevSlide();
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}, this));
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this.btnNext = new Common.UI.Button({
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el: $('#btn-preview-next',this.el),
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hint: this.txtNext,
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hintAnchor: 'top'
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});
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this.btnNext.on('click', _.bind(function() {
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if (this.api) this.api.DemonstrationNextSlide();
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}, this));
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this.btnPlay = new Common.UI.Button({
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el: $('#btn-preview-play',this.el),
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hint: this.txtPlay,
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hintAnchor: 'top'
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});
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this.btnPlay.on('click', _.bind(function(btn) {
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var iconEl = $('.btn-icon', this.btnPlay.cmpEl);
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if (iconEl.hasClass('btn-pause')) {
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iconEl.removeClass('btn-pause');
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this.btnPlay.updateHint(this.txtPlay);
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if (this.api)
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this.api.DemonstrationPause();
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} else {
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iconEl.addClass('btn-pause');
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this.btnPlay.updateHint(this.txtPause);
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if (this.api)
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this.api.DemonstrationPlay ();
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}
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}, this));
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this.btnClose = new Common.UI.Button({
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el: $('#btn-preview-close',this.el),
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hint: this.txtClose,
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hintAnchor: 'top'
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});
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this.btnClose.on('click', _.bind(function() {
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if (this.api) this.api.EndDemonstration();
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}, this));
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this.btnFullScreen = new Common.UI.Button({
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el: $('#btn-preview-fullscreen',this.el),
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hint: this.txtFullScreen,
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hintAnchor: 'top'
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});
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this.btnFullScreen.on('click', _.bind(function(btn) {
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this.toggleFullScreen();
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}, this));
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this.txtGoToPage = new Common.UI.InputField({
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el : $('#preview-goto-page'),
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allowBlank : true,
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validateOnChange: true,
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style : 'width: 60px;',
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maskExp: /[0-9]/,
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validation : function(value) {
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if (/(^[0-9]+$)/.test(value)) {
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value = parseInt(value);
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if (undefined !== value && value > 0 && value <= me.pages.get('count'))
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return true;
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}
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return me.txtPageNumInvalid;
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}
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}).on('keypress:after', function(input, e) {
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var box = me.$el.find('#preview-goto-box');
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if (e.keyCode === Common.UI.Keys.RETURN) {
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var edit = box.find('input[type=text]'), page = parseInt(edit.val());
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if (!page || page-- > me.pages.get('count') || page < 0) {
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edit.select();
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return false;
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}
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box.focus(); // for IE
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box.parent().removeClass('open');
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me.api.DemonstrationGoToSlide(page);
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me.api.asc_enableKeyEvents(true);
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return false;
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}
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}
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);
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var goto = this.$el.find('#preview-goto-box');
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goto.on('click', function() {
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return false;
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});
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goto.parent().on('show.bs.dropdown',
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function () {
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// me.txtGoToPage.setValue(me.api.getCurrentPage() + 1);
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// me.txtGoToPage.checkValidate();
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var edit = me.txtGoToPage.$el.find('input');
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_.defer(function(){edit.focus(); edit.select();}, 100);
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}
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);
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goto.parent().on('hide.bs.dropdown',
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function () { var box = me.$el.find('#preview-goto-box');
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if (me.api && box) {
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box.focus(); // for IE
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box.parent().removeClass('open');
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me.api.asc_enableKeyEvents(true);
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}
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}
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);
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$(document).on("webkitfullscreenchange mozfullscreenchange fullscreenchange MSFullscreenChange",function(){
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var fselem = (document.fullscreenElement || document.mozFullScreenElement || document.webkitFullscreenElement || document.msFullscreenElement );
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me.btnFullScreen.cmpEl.toggleClass('fullscreen', fselem !== undefined && fselem !== null);
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if (Common.Utils.isIE) { // for tooltips in IE
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me.btnFullScreen.updateHint( fselem ? '' : me.txtFullScreen);
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me.btnPrev.updateHint( fselem ? '' : me.txtPrev);
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me.btnPlay.updateHint( fselem ? '' : ($('.btn-icon', me.btnPlay.cmpEl).hasClass('btn-pause') ? me.txtPause : me.txtPlay));
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me.btnNext.updateHint( fselem ? '' : me.txtNext);
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me.btnClose.updateHint( fselem ? '' : me.txtClose);
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} else
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me.btnFullScreen.updateHint( fselem ? me.txtExitFullScreen: me.txtFullScreen);
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});
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if (Common.Utils.isIE) {
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el.find('.preview-controls').css('opacity', '0.4');
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}
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this.separatorFullScreen = el.find('.separator.fullscreen');
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},
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show: function() {
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var toolbar = PE.getController('Toolbar').getView('Toolbar');
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if (toolbar._state.hasCollaborativeChanges) {
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toolbar._state.hasCollaborativeChanges = false;
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if (toolbar.synchTooltip) toolbar.synchTooltip.hide();
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toolbar.needShowSynchTip = true;
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}
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Common.UI.BaseView.prototype.show.call(this,arguments);
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var iconEl = $('.btn-icon', this.btnPlay.cmpEl);
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if (!iconEl.hasClass('btn-pause')) {
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iconEl.addClass('btn-pause');
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this.btnPlay.updateHint(this.txtPause);
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}
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$('#viewport-vbox-layout').css('z-index','0');
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this.fireEvent('editcomplete', this);
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},
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hide: function() {
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Common.UI.BaseView.prototype.hide.call(this,arguments);
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$('#viewport-vbox-layout').css('z-index','auto');
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Common.NotificationCenter.trigger('layout:changed', 'preview');
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var toolbar = PE.getController('Toolbar').getView('Toolbar');
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if (toolbar.needShowSynchTip) {
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toolbar.needShowSynchTip = false;
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toolbar.onCollaborativeChanges();
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}
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this.fireEvent('editcomplete', this);
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},
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setApi: function(o) {
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this.api = o;
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if (this.api) {
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this.api.asc_registerCallback('asc_onCountPages', _.bind(this.onCountSlides, this));
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this.api.asc_registerCallback('asc_onEndDemonstration', _.bind(this.onEndDemonstration, this));
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this.api.asc_registerCallback('asc_onDemonstrationSlideChanged', _.bind(this.onDemonstrationSlideChanged, this));
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this.api.DemonstrationEndShowMessage(this.txtFinalMessage);
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}
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return this;
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},
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setMode: function(mode) {
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this.mode = mode;
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if (this.mode.isDesktopApp) {
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this.btnFullScreen.setVisible(false);
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this.separatorFullScreen.hide();
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$(document).off("webkitfullscreenchange mozfullscreenchange fullscreenchange MSFullscreenChange");
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}
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return this;
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},
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onCountSlides: function(count){
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this.pages.set('count', count);
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},
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onDemonstrationSlideChanged: function(slideNum) {
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this.pages.set('current', slideNum+1);
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if (this.api && _.isNumber(slideNum)) {
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var count = this.api.getCountPages();
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if (count !== this.pages.get('count'))
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this.pages.set('count', count);
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this.btnPrev.setDisabled(slideNum<=0);
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this.btnNext.setDisabled(slideNum>=count-1);
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this.txtGoToPage.setValue(slideNum + 1);
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this.txtGoToPage.checkValidate();
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}
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},
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onEndDemonstration: function( ) {
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this.hide();
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this.fullScreenCancel();
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},
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toggleFullScreen: function() {
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if (!document.fullscreenElement && !document.msFullscreenElement &&
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!document.mozFullScreenElement && !document.webkitFullscreenElement) {
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this.fullScreen(document.documentElement);
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} else {
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this.fullScreenCancel();
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}
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},
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fullScreen: function(element) {
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if (this.mode.isDesktopApp) return;
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if (element) {
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if(element.requestFullscreen) {
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element.requestFullscreen();
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} else if(element.webkitRequestFullscreen) {
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element.webkitRequestFullscreen();
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} else if(element.mozRequestFullScreen) {
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element.mozRequestFullScreen();
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} else if(element.msRequestFullscreen) {
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element.msRequestFullscreen();
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}
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}
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},
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fullScreenCancel: function () {
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if (this.mode.isDesktopApp) return;
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if(document.cancelFullScreen) {
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document.cancelFullScreen();
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} else if(document.webkitCancelFullScreen ) {
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document.webkitCancelFullScreen();
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} else if(document.mozCancelFullScreen) {
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document.mozCancelFullScreen();
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} else if(document.msExitFullscreen) {
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document.msExitFullscreen();
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}
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},
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txtPrev: 'Previous Slide',
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txtNext: 'Next Slide',
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txtClose: 'Close Preview',
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goToSlideText : 'Go to Slide',
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slideIndexText : 'Slide {0} of {1}',
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txtPlay: 'Start Presentation',
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txtPause: 'Pause Presentation',
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txtFinalMessage: 'The end of slide preview. Click to exit.',
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txtPageNumInvalid: 'Slide number invalid',
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txtFullScreen: 'Full Screen',
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txtExitFullScreen: 'Exit Full Screen'
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}, PE.Views.DocumentPreview || {}));
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});
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