433 lines
16 KiB
JavaScript
433 lines
16 KiB
JavaScript
/**
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* ComboDataView.js
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*
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* Created by Alexander Yuzhin on 2/13/14
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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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if (Common === undefined)
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var Common = {};
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define([
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'common/main/lib/component/BaseView',
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'common/main/lib/component/DataView'
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], function () {
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'use strict';
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Common.UI.ComboDataView = Common.UI.BaseView.extend({
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options : {
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id : null,
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cls : '',
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style : '',
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hint : false,
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itemWidth : 80,
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itemHeight : 40,
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menuMaxHeight : 300,
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enableKeyEvents : false,
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beforeOpenHandler : null,
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additionalMenuItems : null,
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showLast: true
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},
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template: _.template([
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'<div id="<%= id %>" class="combo-dataview <%= cls %>" style="<%= style %>">',
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'<div class="view"></div> ',
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'<div class="button"></div> ',
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'</div>'
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].join('')),
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initialize : function(options) {
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Common.UI.BaseView.prototype.initialize.call(this, options);
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this.id = this.options.id || Common.UI.getId();
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this.cls = this.options.cls;
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this.style = this.options.style;
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this.hint = this.options.hint;
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this.store = this.options.store || new Common.UI.DataViewStore();
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this.itemWidth = this.options.itemWidth;
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this.itemHeight = this.options.itemHeight;
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this.menuMaxHeight = this.options.menuMaxHeight;
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this.beforeOpenHandler = this.options.beforeOpenHandler;
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this.showLast = this.options.showLast;
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this.rootWidth = 0;
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this.rootHeight = 0;
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this.rendered = false;
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this.fieldPicker = new Common.UI.DataView({
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cls: 'field-picker',
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allowScrollbar: false,
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itemTemplate : _.template([
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'<div class="style" id="<%= id %>">',
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'<img src="<%= imageUrl %>" width="' + this.itemWidth + '" height="' + this.itemHeight + '"/>',
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'<% if (typeof title !== "undefined") {%>',
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'<span class="title"><%= title %></span>',
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'<% } %>',
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'</div>'
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].join(''))
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});
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this.openButton = new Common.UI.Button({
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cls: 'open-menu',
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menu: new Common.UI.Menu({
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menuAlign: 'tl-tl',
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offset: [0, 3],
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items: [
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{template: _.template('<div class="menu-picker-container"></div>')}
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]
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})
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});
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if (this.options.additionalMenuItems != null) {
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this.openButton.menu.items = this.openButton.menu.items.concat(this.options.additionalMenuItems)
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}
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this.menuPicker = new Common.UI.DataView({
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cls: 'menu-picker',
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parentMenu: this.openButton.menu,
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restoreHeight: this.menuMaxHeight,
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style: 'max-height: '+this.menuMaxHeight+'px;',
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enableKeyEvents: this.options.enableKeyEvents,
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itemTemplate : _.template([
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'<div class="style" id="<%= id %>">',
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'<img src="<%= imageUrl %>" width="' + this.itemWidth + '" height="' + this.itemHeight + '"/>',
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'<% if (typeof title !== "undefined") {%>',
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'<span class="title"><%= title %></span>',
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'<% } %>',
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'</div>'
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].join(''))
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});
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// Handle resize
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setInterval(_.bind(this.checkSize, this), 500);
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if (this.options.el) {
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this.render();
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}
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},
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render: function(parentEl) {
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if (!this.rendered) {
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var me = this;
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me.trigger('render:before', me);
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me.cmpEl = $(me.el);
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var templateEl = me.template({
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id : me.id,
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cls : me.cls,
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style : me.style
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});
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if (parentEl) {
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me.setElement(parentEl, false);
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me.cmpEl = $(templateEl);
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parentEl.html(me.cmpEl);
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} else {
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me.cmpEl.html(templateEl);
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}
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me.rootWidth = me.cmpEl.width();
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me.rootHeight = me.cmpEl.height();
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me.fieldPicker.render($('.view', me.cmpEl));
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me.openButton.render($('.button', me.cmpEl));
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me.menuPicker.render($('.menu-picker-container', me.cmpEl));
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if (me.openButton.menu.cmpEl) {
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if (me.openButton.menu.cmpEl) {
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me.openButton.menu.menuAlignEl = me.cmpEl;
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me.openButton.menu.cmpEl.css('min-width', me.itemWidth);
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me.openButton.menu.on('show:before', _.bind(me.onBeforeShowMenu, me));
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me.openButton.menu.on('show:after', _.bind(me.onAfterShowMenu, me));
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me.openButton.cmpEl.on('hide.bs.dropdown', _.bind(me.onBeforeHideMenu, me));
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me.openButton.cmpEl.on('hidden.bs.dropdown', _.bind(me.onAfterHideMenu, me));
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}
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}
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if (me.options.hint) {
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me.cmpEl.attr('data-toggle', 'tooltip');
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me.cmpEl.tooltip({
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title : me.options.hint,
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placement : me.options.hintAnchor || 'cursor'
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});
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}
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me.fieldPicker.on('item:select', _.bind(me.onFieldPickerSelect, me));
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me.menuPicker.on('item:select', _.bind(me.onMenuPickerSelect, me));
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me.fieldPicker.on('item:click', _.bind(me.onFieldPickerClick, me));
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me.menuPicker.on('item:click', _.bind(me.onMenuPickerClick, me));
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me.fieldPicker.on('item:contextmenu', _.bind(me.onPickerItemContextMenu, me));
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me.menuPicker.on('item:contextmenu', _.bind(me.onPickerItemContextMenu, me));
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me.fieldPicker.el.addEventListener('contextmenu', _.bind(me.onPickerComboContextMenu, me), false);
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me.menuPicker.el.addEventListener('contextmenu', _.bind(me.onPickerComboContextMenu, me), false);
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me.onResize();
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me.rendered = true;
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me.trigger('render:after', me);
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}
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return this;
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},
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checkSize: function() {
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if (this.cmpEl) {
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var me = this,
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width = this.cmpEl.width(),
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height = this.cmpEl.height();
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if (this.rootWidth != width || this.rootHeight != height) {
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this.rootWidth = width;
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this.rootHeight = height;
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setTimeout(function() {
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me.openButton.menu.cmpEl.outerWidth();
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me.rootWidth = me.cmpEl.width();
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}, 10);
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this.onResize();
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}
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}
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},
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onResize: function() {
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if (this.openButton) {
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var button = $('button', this.openButton.cmpEl);
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button && button.css({
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width : $('.button', this.cmpEl).width(),
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height: $('.button', this.cmpEl).height()
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});
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this.openButton.menu.hide();
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var picker = this.menuPicker;
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if (picker) {
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var record = picker.getSelectedRec();
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if (record) {
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record = record[0];
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this.fillComboView(record || picker.store.at(0), !!record, true);
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}
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picker.onResize();
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}
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}
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if (!this.isSuspendEvents)
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this.trigger('resize', this);
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},
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onBeforeShowMenu: function(e) {
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var me = this;
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if (_.isFunction(me.beforeOpenHandler)){
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me.beforeOpenHandler(me, e);
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} else if (me.openButton.menu.cmpEl) {
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var itemMargin = 0;
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try {
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var itemEl = $($('.dropdown-menu .dataview.inner .style', me.cmpEl)[0]);
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itemMargin = itemEl ? (parseInt(itemEl.css('margin-left')) + parseInt(itemEl.css('margin-right'))) : 0;
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} catch(e) {}
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me.openButton.menu.cmpEl.css({
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'width' : Math.round((me.cmpEl.width() + (itemMargin * me.fieldPicker.store.length))/ me.itemWidth - .2) * (me.itemWidth + itemMargin),
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'min-height': this.cmpEl.height()
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});
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}
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if (me.options.hint) {
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var tip = me.cmpEl.data('bs.tooltip');
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if (tip) {
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if (tip.dontShow===undefined)
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tip.dontShow = true;
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tip.hide();
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}
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}
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this.menuPicker.selectedBeforeHideRec = null; // for DataView - onKeyDown - Return key
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},
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onBeforeHideMenu: function(e) {
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this.trigger('hide:before', this, e);
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if (Common.UI.Scroller.isMouseCapture())
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e.preventDefault();
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if (this.isStylesNotClosable)
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return false;
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},
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onAfterShowMenu: function(e) {
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var me = this;
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if (me.menuPicker.scroller) {
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me.menuPicker.scroller.update({
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includePadding: true,
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suppressScrollX: true,
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alwaysVisibleY: true
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});
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}
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},
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onAfterHideMenu: function(e) {
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this.menuPicker.selectedBeforeHideRec = this.menuPicker.getSelectedRec()[0]; // for DataView - onKeyDown - Return key
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(this.showLast) ? this.menuPicker.showLastSelected() : this.menuPicker.deselectAll();
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this.trigger('hide:after', this, e);
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},
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onFieldPickerSelect: function(picker, item, record) {
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//
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},
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onMenuPickerSelect: function(picker, item, record, fromKeyDown) {
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if (this.disabled || fromKeyDown===true) return;
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this.fillComboView(record, false);
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if (record && !this.isSuspendEvents)
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this.trigger('select', this, record);
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},
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onFieldPickerClick: function(dataView, itemView, record) {
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if (this.disabled) return;
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if (!this.isSuspendEvents)
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this.trigger('click', this, record);
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if (this.options.hint) {
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var tip = this.cmpEl.data('bs.tooltip');
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if (tip) {
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if (tip.dontShow===undefined)
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tip.dontShow = true;
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tip.hide();
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}
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}
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if (!this.showLast) this.fieldPicker.deselectAll();
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},
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onMenuPickerClick: function(dataView, itemView, record) {
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if (this.disabled) return;
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if (!this.isSuspendEvents)
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this.trigger('click', this, record);
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},
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onPickerItemContextMenu: function(dataView, itemView, record, e) {
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if (this.disabled) return;
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if (!this.isSuspendEvents) {
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this.trigger('contextmenu', this, record, e);
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}
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e.preventDefault();
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e.stopPropagation();
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return false;
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},
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onPickerComboContextMenu: function(mouseEvent) {
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if (this.disabled) return;
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if (!this.isSuspendEvents) {
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this.trigger('contextmenu', this, undefined, mouseEvent);
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}
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},
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setDisabled: function(disabled) {
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this.disabled = disabled;
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if (!this.rendered)
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return;
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this.cmpEl.toggleClass('disabled', disabled);
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$('button', this.openButton.cmpEl).toggleClass('disabled', disabled);
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this.fieldPicker.setDisabled(disabled);
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},
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isDisabled: function() {
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return this.disabled;
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},
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fillComboView: function(record, forceSelect, forceFill) {
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if (!_.isUndefined(record) && record instanceof Backbone.Model){
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var me = this,
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store = me.menuPicker.store,
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fieldPickerEl = $(me.fieldPicker.el);
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if (store) {
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if (forceFill || !me.fieldPicker.store.findWhere({'id': record.get('id')})){
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if (me.itemMarginLeft===undefined) {
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var div = $($(this.menuPicker.el).find('.inner > div:not(.grouped-data):not(.ps-scrollbar-x-rail):not(.ps-scrollbar-y-rail)')[0]);
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if (div.length > 0) {
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me.itemMarginLeft = parseInt(div.css('margin-left'));
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me.itemMarginRight = parseInt(div.css('margin-right'));
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me.itemPaddingLeft = parseInt(div.css('padding-left'));
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me.itemPaddingRight = parseInt(div.css('padding-right'));
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me.itemBorderLeft = parseInt(div.css('border-left-width'));
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me.itemBorderRight = parseInt(div.css('border-right-width'));
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}
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}
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me.fieldPicker.store.reset([]); // remove all
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var indexRec = store.indexOf(record),
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countRec = store.length,
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maxViewCount = Math.floor((fieldPickerEl.width()) / (me.itemWidth + (me.itemMarginLeft || 0) + (me.itemMarginRight || 0) + (me.itemPaddingLeft || 0) + (me.itemPaddingRight || 0) +
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(me.itemBorderLeft || 0) + (me.itemBorderRight || 0))),
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newStyles = [];
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if (fieldPickerEl.height() / me.itemHeight > 2)
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maxViewCount *= Math.floor(fieldPickerEl.height() / me.itemHeight);
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if (indexRec < 0)
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return;
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indexRec = Math.floor(indexRec / maxViewCount) * maxViewCount;
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if (countRec - indexRec < maxViewCount)
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indexRec = Math.max(countRec - maxViewCount, 0);
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for (var index = indexRec, viewCount = 0; index < countRec && viewCount < maxViewCount; index++, viewCount++) {
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newStyles.push(store.at(index));
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}
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me.fieldPicker.store.add(newStyles);
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}
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if (forceSelect) {
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var selectRecord = me.fieldPicker.store.findWhere({'id': record.get('id')});
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if (selectRecord){
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me.suspendEvents();
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me.fieldPicker.selectRecord(selectRecord, true);
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me.resumeEvents();
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}
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}
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}
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}
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},
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selectByIndex: function(index) {
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if (index < 0)
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this.fieldPicker.deselectAll();
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this.menuPicker.selectByIndex(index);
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},
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setItemWidth: function(width) {
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if (this.itemWidth != width)
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this.itemWidth = window.devicePixelRatio > 1 ? width / 2 : width;
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},
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setItemHeight: function(height) {
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if (this.itemHeight != height)
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this.itemHeight = window.devicePixelRatio > 1 ? height / 2 : height;
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},
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removeTips: function() {
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var picker = this.menuPicker;
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_.each(picker.dataViewItems, function(item) {
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var tip = item.$el.data('bs.tooltip');
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if (tip) (tip.tip()).remove();
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}, picker);
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}
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})
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}); |