web-apps/apps/common/main/lib/component/ComboDataView.js
2019-08-21 10:50:32 +03:00

480 lines
18 KiB
JavaScript

/*
*
* (c) Copyright Ascensio System SIA 2010-2019
*
* This program is a free software product. You can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License (AGPL)
* version 3 as published by the Free Software Foundation. In accordance with
* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
* that Ascensio System SIA expressly excludes the warranty of non-infringement
* of any third-party rights.
*
* This program is distributed WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
*
* You can contact Ascensio System SIA at 20A-12 Ernesta Birznieka-Upisha
* street, Riga, Latvia, EU, LV-1050.
*
* The interactive user interfaces in modified source and object code versions
* of the Program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU AGPL version 3.
*
* Pursuant to Section 7(b) of the License you must retain the original Product
* logo when distributing the program. Pursuant to Section 7(e) we decline to
* grant you any rights under trademark law for use of our trademarks.
*
* All the Product's GUI elements, including illustrations and icon sets, as
* well as technical writing content are licensed under the terms of the
* Creative Commons Attribution-ShareAlike 4.0 International. See the License
* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
*
*/
/**
* ComboDataView.js
*
* Created by Alexander Yuzhin on 2/13/14
* Copyright (c) 2018 Ascensio System SIA. All rights reserved.
*
*/
if (Common === undefined)
var Common = {};
define([
'common/main/lib/component/BaseView',
'common/main/lib/component/DataView'
], function () {
'use strict';
Common.UI.ComboDataView = Common.UI.BaseView.extend({
options : {
id : null,
cls : '',
style : '',
hint : false,
itemWidth : 80,
itemHeight : 40,
menuMaxHeight : 300,
enableKeyEvents : false,
beforeOpenHandler : null,
additionalMenuItems : null,
showLast: true,
minWidth: -1
},
template: _.template([
'<div id="<%= id %>" class="combo-dataview <%= cls %>" style="<%= style %>">',
'<div class="view"></div> ',
'<div class="button"></div> ',
'</div>'
].join('')),
initialize : function(options) {
Common.UI.BaseView.prototype.initialize.call(this, options);
this.id = this.options.id || Common.UI.getId();
this.cls = this.options.cls;
this.style = this.options.style;
this.hint = this.options.hint;
this.store = this.options.store || new Common.UI.DataViewStore();
this.itemWidth = this.options.itemWidth;
this.itemHeight = this.options.itemHeight;
this.menuMaxHeight = this.options.menuMaxHeight;
this.beforeOpenHandler = this.options.beforeOpenHandler;
this.showLast = this.options.showLast;
this.rootWidth = 0;
this.rootHeight = 0;
this.rendered = false;
this.needFillComboView = false;
this.minWidth = this.options.minWidth;
this.fieldPicker = new Common.UI.DataView({
cls: 'field-picker',
allowScrollbar: false,
itemTemplate : _.template([
'<div class="style" id="<%= id %>">',
'<img src="<%= imageUrl %>" width="' + this.itemWidth + '" height="' + this.itemHeight + '"/>',
'<% if (typeof title !== "undefined") {%>',
'<span class="title"><%= title %></span>',
'<% } %>',
'</div>'
].join(''))
});
this.openButton = new Common.UI.Button({
cls: 'open-menu',
menu: new Common.UI.Menu({
menuAlign: 'tl-tl',
offset: [0, 3],
items: [
{template: _.template('<div class="menu-picker-container"></div>')}
]
})
});
if (this.options.additionalMenuItems != null) {
this.openButton.menu.items = this.openButton.menu.items.concat(this.options.additionalMenuItems)
}
this.menuPicker = new Common.UI.DataView({
cls: 'menu-picker',
parentMenu: this.openButton.menu,
restoreHeight: this.menuMaxHeight,
style: 'max-height: '+this.menuMaxHeight+'px;',
enableKeyEvents: this.options.enableKeyEvents,
store: this.store,
itemTemplate : _.template([
'<div class="style" id="<%= id %>">',
'<img src="<%= imageUrl %>" width="' + this.itemWidth + '" height="' + this.itemHeight + '"/>',
'<% if (typeof title !== "undefined") {%>',
'<span class="title"><%= title %></span>',
'<% } %>',
'</div>'
].join(''))
});
// Handle resize
setInterval(_.bind(this.checkSize, this), 500);
if (this.options.el) {
this.render();
}
},
render: function(parentEl) {
if (!this.rendered) {
var me = this;
me.trigger('render:before', me);
me.cmpEl = $(me.el);
var templateEl = me.template({
id : me.id,
cls : me.cls,
style : me.style
});
if (parentEl) {
me.setElement(parentEl, false);
me.cmpEl = $(templateEl);
parentEl.html(me.cmpEl);
} else {
me.cmpEl.html(templateEl);
}
me.rootWidth = me.cmpEl.width();
me.rootHeight = me.cmpEl.height();
me.fieldPicker.render($('.view', me.cmpEl));
me.openButton.render($('.button', me.cmpEl));
me.menuPicker.render($('.menu-picker-container', me.cmpEl));
if (me.openButton.menu.cmpEl) {
if (me.openButton.menu.cmpEl) {
me.openButton.menu.menuAlignEl = me.cmpEl;
me.openButton.menu.cmpEl.css('min-width', me.itemWidth);
me.openButton.menu.on('show:before', _.bind(me.onBeforeShowMenu, me));
me.openButton.menu.on('show:after', _.bind(me.onAfterShowMenu, me));
me.openButton.cmpEl.on('hide.bs.dropdown', _.bind(me.onBeforeHideMenu, me));
me.openButton.cmpEl.on('hidden.bs.dropdown', _.bind(me.onAfterHideMenu, me));
}
}
if (me.options.hint) {
me.cmpEl.attr('data-toggle', 'tooltip');
me.cmpEl.tooltip({
title : me.options.hint,
placement : me.options.hintAnchor || 'cursor'
});
}
me.fieldPicker.on('item:select', _.bind(me.onFieldPickerSelect, me));
me.menuPicker.on('item:select', _.bind(me.onMenuPickerSelect, me));
me.fieldPicker.on('item:click', _.bind(me.onFieldPickerClick, me));
me.menuPicker.on('item:click', _.bind(me.onMenuPickerClick, me));
me.fieldPicker.on('item:contextmenu', _.bind(me.onPickerItemContextMenu, me));
me.menuPicker.on('item:contextmenu', _.bind(me.onPickerItemContextMenu, me));
me.fieldPicker.el.addEventListener('contextmenu', _.bind(me.onPickerComboContextMenu, me), false);
me.menuPicker.el.addEventListener('contextmenu', _.bind(me.onPickerComboContextMenu, me), false);
me.onResize();
me.rendered = true;
me.trigger('render:after', me);
}
return this;
},
checkSize: function() {
if (this.cmpEl && this.cmpEl.is(':visible')) {
var me = this,
width = this.cmpEl.width(),
height = this.cmpEl.height();
if (width < this.minWidth) return;
if (this.rootWidth != width || this.rootHeight != height) {
this.rootWidth = width;
this.rootHeight = height;
setTimeout(function() {
me.openButton.menu.cmpEl.outerWidth();
me.rootWidth = me.cmpEl.width();
}, 10);
this.onResize();
}
}
},
onResize: function() {
if (this.openButton) {
var button = $('button', this.openButton.cmpEl);
button && button.css({
width : $('.button', this.cmpEl).width(),
height: $('.button', this.cmpEl).height()
});
this.openButton.menu.hide();
var picker = this.menuPicker;
if (picker) {
var record = picker.getSelectedRec();
this.fillComboView(record || picker.store.at(0), !!record, true);
picker.onResize();
}
}
if (!this.isSuspendEvents)
this.trigger('resize', this);
},
onBeforeShowMenu: function(e) {
var me = this;
if (_.isFunction(me.beforeOpenHandler)){
me.beforeOpenHandler(me, e);
} else if (me.openButton.menu.cmpEl) {
var itemMargin = 0;
try {
var itemEl = $($('.dropdown-menu .dataview.inner .style', me.cmpEl)[0]);
itemMargin = itemEl ? (parseInt(itemEl.css('margin-left')) + parseInt(itemEl.css('margin-right'))) : 0;
} catch(e) {}
me.openButton.menu.cmpEl.css({
'width' : Math.round((me.cmpEl.width() + (itemMargin * me.fieldPicker.store.length))/ me.itemWidth - .2) * (me.itemWidth + itemMargin),
'min-height': this.cmpEl.height()
});
}
if (me.options.hint) {
var tip = me.cmpEl.data('bs.tooltip');
if (tip) {
if (tip.dontShow===undefined)
tip.dontShow = true;
tip.hide();
}
}
this.menuPicker.selectedBeforeHideRec = null; // for DataView - onKeyDown - Return key
},
onBeforeHideMenu: function(e) {
this.trigger('hide:before', this, e);
if (Common.UI.Scroller.isMouseCapture())
e.preventDefault();
if (this.isStylesNotClosable)
return false;
},
onAfterShowMenu: function(e) {
var me = this;
if (me.menuPicker.scroller) {
me.menuPicker.scroller.update({
includePadding: true,
suppressScrollX: true,
alwaysVisibleY: true
});
}
},
onAfterHideMenu: function(e, isFromInputControl) {
this.menuPicker.selectedBeforeHideRec = this.menuPicker.getSelectedRec(); // for DataView - onKeyDown - Return key
(this.showLast) ? this.menuPicker.showLastSelected() : this.menuPicker.deselectAll();
this.trigger('hide:after', this, e, isFromInputControl);
},
onFieldPickerSelect: function(picker, item, record) {
//
},
onMenuPickerSelect: function(picker, item, record, fromKeyDown) {
this.needFillComboView = this.disabled;
if (this.disabled || fromKeyDown===true) return;
this.fillComboView(record, false);
if (record && !this.isSuspendEvents)
this.trigger('select', this, record);
},
onFieldPickerClick: function(dataView, itemView, record) {
if (this.disabled) return;
if (!this.isSuspendEvents)
this.trigger('click', this, record);
if (this.options.hint) {
var tip = this.cmpEl.data('bs.tooltip');
if (tip) {
if (tip.dontShow===undefined)
tip.dontShow = true;
tip.hide();
}
}
if (!this.showLast) this.fieldPicker.deselectAll();
},
onMenuPickerClick: function(dataView, itemView, record) {
if (this.disabled) return;
if (!this.isSuspendEvents)
this.trigger('click', this, record);
},
onPickerItemContextMenu: function(dataView, itemView, record, e) {
if (this.disabled) return;
if (!this.isSuspendEvents) {
this.trigger('contextmenu', this, record, e);
}
e.preventDefault();
e.stopPropagation();
return false;
},
onPickerComboContextMenu: function(mouseEvent) {
if (this.disabled) return;
if (!this.isSuspendEvents) {
this.trigger('contextmenu', this, undefined, mouseEvent);
}
},
setDisabled: function(disabled) {
this.disabled = disabled;
if (!this.rendered)
return;
this.cmpEl.toggleClass('disabled', disabled);
$('button', this.openButton.cmpEl).toggleClass('disabled', disabled);
this.fieldPicker.setDisabled(disabled);
if (this.needFillComboView && !disabled) {
var picker = this.menuPicker;
if (picker) {
var record = picker.getSelectedRec();
this.fillComboView(record || picker.store.at(0), false);
}
}
},
isDisabled: function() {
return this.disabled;
},
fillComboView: function(record, forceSelect, forceFill) {
if (!_.isUndefined(record) && record instanceof Backbone.Model){
this.needFillComboView = !this.isVisible();
var me = this,
store = me.menuPicker.store,
fieldPickerEl = $(me.fieldPicker.el);
if (store) {
if (forceFill || !me.fieldPicker.store.findWhere({'id': record.get('id')})){
if (me.itemMarginLeft===undefined) {
var div = $($(this.menuPicker.el).find('.inner > div:not(.grouped-data):not(.ps-scrollbar-x-rail):not(.ps-scrollbar-y-rail)')[0]);
if (div.length > 0) {
me.itemMarginLeft = parseInt(div.css('margin-left'));
me.itemMarginRight = parseInt(div.css('margin-right'));
me.itemPaddingLeft = parseInt(div.css('padding-left'));
me.itemPaddingRight = parseInt(div.css('padding-right'));
me.itemBorderLeft = parseInt(div.css('border-left-width'));
me.itemBorderRight = parseInt(div.css('border-right-width'));
}
}
var indexRec = store.indexOf(record);
if (indexRec < 0)
return;
var countRec = store.length,
maxViewCount = Math.floor(Math.max(fieldPickerEl.width(), me.minWidth) / (me.itemWidth + (me.itemMarginLeft || 0) + (me.itemMarginRight || 0) + (me.itemPaddingLeft || 0) + (me.itemPaddingRight || 0) +
(me.itemBorderLeft || 0) + (me.itemBorderRight || 0))),
newStyles = [];
if (fieldPickerEl.height() / me.itemHeight > 2)
maxViewCount *= Math.floor(fieldPickerEl.height() / me.itemHeight);
indexRec = Math.floor(indexRec / maxViewCount) * maxViewCount;
if (countRec - indexRec < maxViewCount)
indexRec = Math.max(countRec - maxViewCount, 0);
for (var index = indexRec, viewCount = 0; index < countRec && viewCount < maxViewCount; index++, viewCount++) {
newStyles.push(store.at(index));
}
me.fieldPicker.store.reset(newStyles);
}
if (forceSelect) {
var selectRecord = me.fieldPicker.store.findWhere({'id': record.get('id')});
if (selectRecord){
me.suspendEvents();
me.fieldPicker.selectRecord(selectRecord, true);
me.resumeEvents();
}
}
}
}
},
clearComboView: function() {
this.fieldPicker.store.reset([]);
},
selectByIndex: function(index) {
if (index < 0)
this.fieldPicker.deselectAll();
this.menuPicker.selectByIndex(index);
},
setItemWidth: function(width) {
if (this.itemWidth != width)
this.itemWidth = window.devicePixelRatio > 1 ? width / 2 : width;
},
setItemHeight: function(height) {
if (this.itemHeight != height)
this.itemHeight = window.devicePixelRatio > 1 ? height / 2 : height;
},
removeTips: function() {
var picker = this.menuPicker;
_.each(picker.dataViewItems, function(item) {
var tip = item.$el.data('bs.tooltip');
if (tip) (tip.tip()).remove();
}, picker);
}
})
});