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Struts example source code file (PageContainer.js)

This example Struts source code file (PageContainer.js) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Struts tags/keywords

pagebutton, pagebutton

The Struts PageContainer.js source code

/*
	Copyright (c) 2004-2006, The Dojo Foundation
	All Rights Reserved.

	Licensed under the Academic Free License version 2.1 or above OR the
	modified BSD license. For more information on Dojo licensing, see:

		http://dojotoolkit.org/community/licensing.shtml
*/



dojo.provide("dojo.widget.PageContainer");
dojo.require("dojo.lang.func");
dojo.require("dojo.widget.*");
dojo.require("dojo.event.*");
dojo.require("dojo.html.selection");
dojo.widget.defineWidget("dojo.widget.PageContainer", dojo.widget.HtmlWidget, {isContainer:true, doLayout:true, templateString:"<div dojoAttachPoint='containerNode'>
", selectedChild:"", fillInTemplate:function (args, frag) { var source = this.getFragNodeRef(frag); dojo.html.copyStyle(this.domNode, source); dojo.widget.PageContainer.superclass.fillInTemplate.apply(this, arguments); }, postCreate:function (args, frag) { if (this.children.length) { dojo.lang.forEach(this.children, this._setupChild, this); var initialChild; if (this.selectedChild) { this.selectChild(this.selectedChild); } else { for (var i = 0; i < this.children.length; i++) { if (this.children[i].selected) { this.selectChild(this.children[i]); break; } } if (!this.selectedChildWidget) { this.selectChild(this.children[0]); } } } }, addChild:function (child) { dojo.widget.PageContainer.superclass.addChild.apply(this, arguments); this._setupChild(child); this.onResized(); if (!this.selectedChildWidget) { this.selectChild(child); } }, _setupChild:function (page) { page.hide(); page.domNode.style.position = "relative"; dojo.event.topic.publish(this.widgetId + "-addChild", page); }, removeChild:function (page) { dojo.widget.PageContainer.superclass.removeChild.apply(this, arguments); if (this._beingDestroyed) { return; } dojo.event.topic.publish(this.widgetId + "-removeChild", page); this.onResized(); if (this.selectedChildWidget === page) { this.selectedChildWidget = undefined; if (this.children.length > 0) { this.selectChild(this.children[0], true); } } }, selectChild:function (page, callingWidget) { page = dojo.widget.byId(page); this.correspondingPageButton = callingWidget; if (this.selectedChildWidget) { this._hideChild(this.selectedChildWidget); } this.selectedChildWidget = page; this.selectedChild = page.widgetId; this._showChild(page); page.isFirstChild = (page == this.children[0]); page.isLastChild = (page == this.children[this.children.length - 1]); dojo.event.topic.publish(this.widgetId + "-selectChild", page); }, forward:function () { var index = dojo.lang.find(this.children, this.selectedChildWidget); this.selectChild(this.children[index + 1]); }, back:function () { var index = dojo.lang.find(this.children, this.selectedChildWidget); this.selectChild(this.children[index - 1]); }, onResized:function () { if (this.doLayout && this.selectedChildWidget) { with (this.selectedChildWidget.domNode.style) { top = dojo.html.getPixelValue(this.containerNode, "padding-top", true); left = dojo.html.getPixelValue(this.containerNode, "padding-left", true); } var content = dojo.html.getContentBox(this.containerNode); this.selectedChildWidget.resizeTo(content.width, content.height); } }, _showChild:function (page) { if (this.doLayout) { var content = dojo.html.getContentBox(this.containerNode); page.resizeTo(content.width, content.height); } page.selected = true; page.show(); }, _hideChild:function (page) { page.selected = false; page.hide(); }, closeChild:function (page) { var remove = page.onClose(this, page); if (remove) { this.removeChild(page); page.destroy(); } }, destroy:function () { this._beingDestroyed = true; dojo.event.topic.destroy(this.widgetId + "-addChild"); dojo.event.topic.destroy(this.widgetId + "-removeChild"); dojo.event.topic.destroy(this.widgetId + "-selectChild"); dojo.widget.PageContainer.superclass.destroy.apply(this, arguments); }}); dojo.widget.defineWidget("dojo.widget.PageController", dojo.widget.HtmlWidget, {templateString:"<span wairole='tablist' dojoAttachEvent='onKey'>", isContainer:true, containerId:"", buttonWidget:"PageButton", "class":"dojoPageController", fillInTemplate:function () { dojo.html.addClass(this.domNode, this["class"]); dojo.widget.wai.setAttr(this.domNode, "waiRole", "role", "tablist"); }, postCreate:function () { this.pane2button = {}; var container = dojo.widget.byId(this.containerId); if (container) { dojo.lang.forEach(container.children, this.onAddChild, this); } dojo.event.topic.subscribe(this.containerId + "-addChild", this, "onAddChild"); dojo.event.topic.subscribe(this.containerId + "-removeChild", this, "onRemoveChild"); dojo.event.topic.subscribe(this.containerId + "-selectChild", this, "onSelectChild"); }, destroy:function () { dojo.event.topic.unsubscribe(this.containerId + "-addChild", this, "onAddChild"); dojo.event.topic.unsubscribe(this.containerId + "-removeChild", this, "onRemoveChild"); dojo.event.topic.unsubscribe(this.containerId + "-selectChild", this, "onSelectChild"); dojo.widget.PageController.superclass.destroy.apply(this, arguments); }, onAddChild:function (page) { var button = dojo.widget.createWidget(this.buttonWidget, {label:page.label, closeButton:page.closable}); this.addChild(button); this.domNode.appendChild(button.domNode); this.pane2button[page] = button; page.controlButton = button; var _this = this; dojo.event.connect(button, "onClick", function () { _this.onButtonClick(page); }); dojo.event.connect(button, "onCloseButtonClick", function () { _this.onCloseButtonClick(page); }); }, onRemoveChild:function (page) { if (this._currentChild == page) { this._currentChild = null; } var button = this.pane2button[page]; if (button) { button.destroy(); } this.pane2button[page] = null; }, onSelectChild:function (page) { if (this._currentChild) { var oldButton = this.pane2button[this._currentChild]; oldButton.clearSelected(); } var newButton = this.pane2button[page]; newButton.setSelected(); this._currentChild = page; }, onButtonClick:function (page) { var container = dojo.widget.byId(this.containerId); container.selectChild(page, false, this); }, onCloseButtonClick:function (page) { var container = dojo.widget.byId(this.containerId); container.closeChild(page); }, onKey:function (evt) { if ((evt.keyCode == evt.KEY_RIGHT_ARROW) || (evt.keyCode == evt.KEY_LEFT_ARROW)) { var current = 0; var next = null; var current = dojo.lang.find(this.children, this.pane2button[this._currentChild]); if (evt.keyCode == evt.KEY_RIGHT_ARROW) { next = this.children[(current + 1) % this.children.length]; } else { next = this.children[(current + (this.children.length - 1)) % this.children.length]; } dojo.event.browser.stopEvent(evt); next.onClick(); } }}); dojo.widget.defineWidget("dojo.widget.PageButton", dojo.widget.HtmlWidget, {templateString:"<span class='item'>" + "${this.label}" + "[X]" + "", label:"foo", closeButton:false, onClick:function () { this.focus(); }, onCloseButtonMouseOver:function () { dojo.html.addClass(this.closeButtonNode, "closeHover"); }, onCloseButtonMouseOut:function () { dojo.html.removeClass(this.closeButtonNode, "closeHover"); }, onCloseButtonClick:function (evt) { }, setSelected:function () { dojo.html.addClass(this.domNode, "current"); this.titleNode.setAttribute("tabIndex", "0"); }, clearSelected:function () { dojo.html.removeClass(this.domNode, "current"); this.titleNode.setAttribute("tabIndex", "-1"); }, focus:function () { if (this.titleNode.focus) { this.titleNode.focus(); } }}); dojo.lang.extend(dojo.widget.Widget, {label:"", selected:false, closable:false, onClose:function () { return true; }});

Other Struts examples (source code examples)

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