/*
* Copyright (c) 2014-2015, Wanadev <http://www.wanadev.fr/>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of Wanadev nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authored by: Fabien LOISON <https://github.com/flozz>
*/
/**
* PhotonUI - Javascript Web User Interface.
*
* @module PhotonUI
* @submodule Layout
* @namespace photonui
*/
var Helpers = require("../helpers.js");
var Layout = require("./layout.js");
var TabItem = require("../container/tabitem.js");
var Widget = require("../widget.js");
/**
* Tab Layout
*
* @class TabLayout
* @constructor
* @extends photonui.Layout
* @param {Object} params An object that can contain any property of the widget (optional).
*/
var TabLayout = Layout.$extend({
// Constructor
__init__: function (params) {
this._registerWEvents([]);
this.$super(params);
},
//////////////////////////////////////////
// Properties and Accessors //
//////////////////////////////////////////
// ====== Public properties ======
/**
* Define the tabs position.
*
* * top
* * bottom
* * left
* * right
*
* @property tabsPosition
* @type String
* @default "top"
*/
_tabsPosition: "top",
getTabsPosition: function () {
"@photonui-update";
return this._tabsPosition;
},
setTabsPosition: function (position) {
if (["top", "bottom", "left", "right"].indexOf(position) < 0) {
throw new Error("The tabs position should be \"top\", \"bottom\", \"left\" or \"right\".");
}
this._tabsPosition = position;
this.removeClass("photonui-tablayout-tabposition-top");
this.removeClass("photonui-tablayout-tabposition-bottom");
this.removeClass("photonui-tablayout-tabposition-left");
this.removeClass("photonui-tablayout-tabposition-right");
this.addClass("photonui-tablayout-tabposition-" + position);
},
/**
* Html outer element of the widget (if any).
*
* @property html
* @type HTMLElement
* @default null
* @readOnly
*/
getHtml: function () {
return this.__html.outer;
},
/**
* Define the active tab name.
*
* @property activeTabName
* @type String
* @default null
*/
_activeTabName: null,
getActiveTabName: function () {
return this._activeTabName;
},
setActiveTabName: function (tabName) {
var activeTab = Widget.getWidget(tabName);
if (activeTab instanceof TabItem) {
activeTab.show();
return;
}
if (!this._activeTab) {
var children = this.children;
for (var i = 0 ; i < children.length ; i++) {
if (!(children[i] instanceof TabItem)) {
continue;
}
children[i].show();
break;
}
}
},
/**
* Container node padding.
*
* @property padding
* @type Number
* @default 10
*/
_padding: 10,
getPadding: function () {
"@photonui-update";
return this._padding;
},
setPadding: function (padding) {
this._padding = padding;
this.__html.content.style.padding = padding + "px";
},
/**
* Define the active tab.
*
* @property activeTab
* @type photonui.Widget
* @default null
*/
getActiveTab: function () {
return Widget.getWidget(this.activeTabName);
},
setActiveTab: function (tab) {
if (tab instanceof Widget) {
this.activeTabName = tab.name;
} else {
this.activeTabName = null;
}
},
//////////////////////////////////////////
// Methods //
//////////////////////////////////////////
// ====== Public methods ======
setVisible: function (visible) {
this.$super(visible);
if (!this._activeTabName) {
this.activeTabName = null;
}
},
addChild: function (widget, layoutOptions) {
this.$super(widget, layoutOptions);
if (!this.activeTabName && widget instanceof TabItem) {
this.activeTabName = widget.name;
}
},
/**
* Remove a widget from the layout.
*
* @method removeChild
* @param {photonui.Widget} widget The widget to remove.
*/
removeChild: function (widget) {
this.$super(widget);
if (widget === this.activeTab) {
this.activeTabName = null;
}
},
// ====== Private methods ======
/**
* Build the widget HTML.
*
* @method _buildHtml
* @private
*/
_buildHtml: function () {
this.__html.outer = document.createElement("div");
this.__html.outer.className = "photonui-widget photonui-tablayout";
this.__html.inner = document.createElement("div");
this.__html.inner.className = "photonui-tablayout-innerbox";
this.__html.outer.appendChild(this.__html.inner);
this.__html.tabs = document.createElement("div");
this.__html.tabs.className = "photonui-tablayout-tabs";
this.__html.inner.appendChild(this.__html.tabs);
this.__html.content = document.createElement("div");
this.__html.content.className = "photonui-tablayout-content";
this.__html.inner.appendChild(this.__html.content);
},
/**
* Update the layout.
*
* @method _updateLayout
* @private
*/
_updateLayout: function () {
Helpers.cleanNode(this.__html.tabs);
Helpers.cleanNode(this.__html.content);
var children = this.children; // Cache for perf
var tabsFragment = document.createDocumentFragment();
var contentFragment = document.createDocumentFragment();
var options;
for (var i = 0 ; i < children.length ; i++) {
if (!(children[i] instanceof TabItem)) {
continue;
}
options = this._computeLayoutOptions(children[i]);
if (options.order !== null) {
children[i].tabHtml.style.order = options.order;
} else {
children[i].tabHtml.style.order = 0;
}
tabsFragment.appendChild(children[i].tabHtml);
contentFragment.appendChild(children[i].html);
}
this.__html.tabs.appendChild(tabsFragment);
this.__html.content.appendChild(contentFragment);
},
/**
* Returns a normalized layoutOption for a given widget.
*
* @method _computeLayoutOptions
* @private
* @param {photonui.Widget} widget
* @return {Object} the layout options
*/
_computeLayoutOptions: function (widget) {
var woptions = widget.layoutOptions || {};
var options = {
order: null
};
if (woptions.order !== undefined && woptions.order !== null) {
options.order = woptions.order | 0;
}
return options;
}
});
module.exports = TabLayout;
