LayoutRegion.js
/**
* @class Ext.LayoutRegion
* @extends Ext.BasicLayoutRegion
* This class represents a region in a layout manager.
* @cfg {Boolean} collapsible False to disable collapsing (defaults to true)
* @cfg {Boolean} collapsed True to set the initial display to collapsed (defaults to false)
* @cfg {Boolean} floatable False to disable floating (defaults to true)
* @cfg {Object} margins Margins for the element (defaults to {top: 0, left: 0, right:0, bottom: 0})
* @cfg {Object} cmargins Margins for the element when collapsed (defaults to: north/south {top: 2, left: 0, right:0, bottom: 2} or east/west {top: 0, left: 2, right:2, bottom: 0})
* @cfg {String} tabPosition "top" or "bottom" (defaults to "bottom")
* @cfg {String} collapsedTitle Optional string message to display in the collapsed block of a north or south region
* @cfg {Boolean} alwaysShowTabs True to always display tabs even when only 1 panel (defaults to false)
* @cfg {Boolean} autoScroll True to enable overflow scrolling (defaults to false)
* @cfg {Boolean} titlebar True to display a title bar (defaults to true)
* @cfg {String} title The title for the region (overrides panel titles)
* @cfg {Boolean} animate True to animate expand/collapse (defaults to false)
* @cfg {Boolean} autoHide False to disable autoHide when the mouse leaves the "floated" region (defaults to true)
* @cfg {Boolean} preservePanels True to preserve removed panels so they can be readded later (defaults to false)
* @cfg {Boolean} closeOnTab True to place the close icon on the tabs instead of the region titlebar (defaults to false)
* @cfg {Boolean} hideTabs True to hide the tab strip (defaults to false)
* @cfg {Boolean} resizeTabs True to enable automatic tab resizing. This will resize the tabs so they are all the same size and fit within
* the space available, similar to FireFox 1.5 tabs (defaults to false)
* @cfg {Number} minTabWidth The minimum tab width (defaults to 40)
* @cfg {Number} preferredTabWidth The preferred tab width (defaults to 150)
* @cfg {Boolean} showPin True to show a pin button
* @cfg {Boolean} hidden True to start the region hidden
* @cfg {Boolean} hideWhenEmpty True to hide the region when it has no panels
* @cfg {Boolean} disableTabTips True to disable tab tooltips
*/
Ext.LayoutRegion = function(mgr, config, pos){
Ext.LayoutRegion.superclass.constructor.call(this, mgr, config, pos, true);
var dh = Ext.DomHelper;
/** This regions container element @type Ext.Element */
this.el = dh.append(mgr.el.dom, {tag: "div", cls: "x-layout-panel x-layout-panel-" + this.position}, true);
/** This regions title element @type Ext.Element */
if(config.titlebar !== false){
this.titleEl = dh.append(this.el.dom, {tag: "div", unselectable: "on", cls: "x-unselectable x-layout-panel-hd x-layout-title-"+this.position, children:[
{tag: "span", cls: "x-unselectable x-layout-panel-hd-text", unselectable: "on", html: " "},
{tag: "div", cls: "x-unselectable x-layout-panel-hd-tools", unselectable: "on"}
]}, true);
this.titleEl.enableDisplayMode();
/** This regions title text element @type HTMLElement */
this.titleTextEl = this.titleEl.dom.firstChild;
this.tools = Ext.get(this.titleEl.dom.childNodes[1], true);
this.closeBtn = this.createTool(this.tools.dom, "x-layout-close");
this.closeBtn.enableDisplayMode();
this.closeBtn.on("click", this.closeClicked, this);
this.closeBtn.hide();
}
this.createBody(config);
this.visible = true;
this.collapsed = false;
if(config.hideWhenEmpty){
this.hide();
this.on("paneladded", this.validateVisibility, this);
this.on("panelremoved", this.validateVisibility, this);
}
this.applyConfig(config);
};
Ext.extend(Ext.LayoutRegion, Ext.BasicLayoutRegion, {
createBody : function(){
/** This regions body element @type Ext.Element */
this.bodyEl = this.el.createChild({tag: "div", cls: "x-layout-panel-body"});
},
applyConfig : function(c){
if(c.collapsible && this.position != "center" && !this.collapsedEl){
var dh = Ext.DomHelper;
if(c.titlebar !== false){
this.collapseBtn = this.createTool(this.tools.dom, "x-layout-collapse-"+this.position);
this.collapseBtn.on("click", this.collapse, this);
this.collapseBtn.enableDisplayMode();
if(c.showPin === true || this.showPin){
this.stickBtn = this.createTool(this.tools.dom, "x-layout-stick");
this.stickBtn.enableDisplayMode();
this.stickBtn.on("click", this.expand, this);
this.stickBtn.hide();
}
}
/** This region's collapsed element @type Ext.Element */
this.collapsedEl = dh.append(this.mgr.el.dom, {cls: "x-layout-collapsed x-layout-collapsed-"+this.position, children:[
{cls: "x-layout-collapsed-tools", children:[{cls: "x-layout-ctools-inner"}]}
]}, true);
if(c.floatable !== false){
this.collapsedEl.addClassOnOver("x-layout-collapsed-over");
this.collapsedEl.on("click", this.collapseClick, this);
}
if(c.collapsedTitle && (this.position == "north" || this.position== "south")) {
this.collapsedTitleTextEl = dh.append(this.collapsedEl.dom, {tag: "div", cls: "x-unselectable x-layout-panel-hd-text",
id: "message", unselectable: "on", style:{"float":"left"}});
this.collapsedTitleTextEl.innerHTML = c.collapsedTitle;
}
this.expandBtn = this.createTool(this.collapsedEl.dom.firstChild.firstChild, "x-layout-expand-"+this.position);
this.expandBtn.on("click", this.expand, this);
}
if(this.collapseBtn){
this.collapseBtn.setVisible(c.collapsible == true);
}
this.cmargins = c.cmargins || this.cmargins ||
(this.position == "west" || this.position == "east" ?
{top: 0, left: 2, right:2, bottom: 0} :
{top: 2, left: 0, right:0, bottom: 2});
this.margins = c.margins || this.margins || {top: 0, left: 0, right:0, bottom: 0};
this.bottomTabs = c.tabPosition != "top";
this.autoScroll = c.autoScroll || false;
if(this.autoScroll){
this.bodyEl.setStyle("overflow", "auto");
}else{
this.bodyEl.setStyle("overflow", "hidden");
}
if(c.titlebar !== false){
if((!c.titlebar && !c.title) || c.titlebar === false){
this.titleEl.hide();
}else{
this.titleEl.show();
if(c.title){
this.titleTextEl.innerHTML = c.title;
}
}
}
this.duration = c.duration || .30;
this.slideDuration = c.slideDuration || .45;
this.config = c;
if(c.collapsed){
this.collapse(true);
}
if(c.hidden){
this.hide();
}
},
/**
* Returns true if this region is currently visible.
* @return {Boolean}
*/
isVisible : function(){
return this.visible;
},
/**
* Updates the collapsed text for north/south regions (used with collapsedTitle config option)
*/
setCollapsedTitle : function(title){
title = title || " ";
if(this.collapsedTitleTextEl){
this.collapsedTitleTextEl.innerHTML = title;
}
},
getBox : function(){
var b;
if(!this.collapsed){
b = this.el.getBox(false, true);
}else{
b = this.collapsedEl.getBox(false, true);
}
return b;
},
getMargins : function(){
return this.collapsed ? this.cmargins : this.margins;
},
highlight : function(){
this.el.addClass("x-layout-panel-dragover");
},
unhighlight : function(){
this.el.removeClass("x-layout-panel-dragover");
},
updateBox : function(box){
this.box = box;
if(!this.collapsed){
this.el.dom.style.left = box.x + "px";
this.el.dom.style.top = box.y + "px";
this.updateBody(box.width, box.height);
}else{
this.collapsedEl.dom.style.left = box.x + "px";
this.collapsedEl.dom.style.top = box.y + "px";
this.collapsedEl.setSize(box.width, box.height);
}
if(this.tabs){
this.tabs.autoSizeTabs();
}
},
updateBody : function(w, h){
if(w !== null){
this.el.setWidth(w);
w -= this.el.getBorderWidth("rl");
if(this.config.adjustments){
w += this.config.adjustments[0];
}
}
if(h !== null){
this.el.setHeight(h);
h = this.titleEl && this.titleEl.isDisplayed() ? h - (this.titleEl.getHeight()||0) : h;
h -= this.el.getBorderWidth("tb");
if(this.config.adjustments){
h += this.config.adjustments[1];
}
this.bodyEl.setHeight(h);
if(this.tabs){
h = this.tabs.syncHeight(h);
}
}
if(this.panelSize){
w = w !== null ? w : this.panelSize.width;
h = h !== null ? h : this.panelSize.height;
}
if(this.activePanel){
var el = this.activePanel.getEl();
w = w !== null ? w : el.getWidth();
h = h !== null ? h : el.getHeight();
this.panelSize = {width: w, height: h};
this.activePanel.setSize(w, h);
}
if(Ext.isIE && this.tabs){
this.tabs.el.repaint();
}
},
/**
* Returns the container element for this region.
* @return {Ext.Element}
*/
getEl : function(){
return this.el;
},
/**
* Hides this region.
*/
hide : function(){
if(!this.collapsed){
this.el.dom.style.left = "-2000px";
this.el.hide();
}else{
this.collapsedEl.dom.style.left = "-2000px";
this.collapsedEl.hide();
}
this.visible = false;
this.fireEvent("visibilitychange", this, false);
},
/**
* Shows this region if it was previously hidden.
*/
show : function(){
if(!this.collapsed){
this.el.show();
}else{
this.collapsedEl.show();
}
this.visible = true;
this.fireEvent("visibilitychange", this, true);
},
closeClicked : function(){
if(this.activePanel){
this.remove(this.activePanel);
}
},
collapseClick : function(e){
if(this.isSlid){
e.stopPropagation();
this.slideIn();
}else{
e.stopPropagation();
this.slideOut();
}
},
/**
* Collapses this region.
* @param {Boolean} skipAnim （可选） true to collapse the element without animation (if animate is true)
*/
collapse : function(skipAnim){
if(this.collapsed) return;
this.collapsed = true;
if(this.split){
this.split.el.hide();
}
if(this.config.animate && skipAnim !== true){
this.fireEvent("invalidated", this);
this.animateCollapse();
}else{
this.el.setLocation(-20000,-20000);
this.el.hide();
this.collapsedEl.show();
this.fireEvent("collapsed", this);
this.fireEvent("invalidated", this);
}
},
animateCollapse : function(){
// overridden
},
/**
* Expand this region if it was previously collapsed.
* @param {Ext.EventObject} e The event that triggered the expand (or null if calling manually)
* @param {Boolean} skipAnim （可选） true to expand the element without animation (if animate is true)
*/
expand : function(e, skipAnim){
if(e) e.stopPropagation();
if(!this.collapsed || this.el.hasActiveFx()) return;
if(this.isSlid){
this.afterSlideIn();
skipAnim = true;
}
this.collapsed = false;
if(this.config.animate && skipAnim !== true){
this.animateExpand();
}else{
this.el.show();
if(this.split){
this.split.el.show();
}
this.collapsedEl.setLocation(-2000,-2000);
this.collapsedEl.hide();
this.fireEvent("invalidated", this);
this.fireEvent("expanded", this);
}
},
animateExpand : function(){
// overridden
},
initTabs : function(){
this.bodyEl.setStyle("overflow", "hidden");
var ts = new Ext.TabPanel(this.bodyEl.dom, {
tabPosition: this.bottomTabs ? 'bottom' : 'top',
disableTooltips: this.config.disableTabTips
});
if(this.config.hideTabs){
ts.stripWrap.setDisplayed(false);
}
this.tabs = ts;
ts.resizeTabs = this.config.resizeTabs === true;
ts.minTabWidth = this.config.minTabWidth || 40;
ts.maxTabWidth = this.config.maxTabWidth || 250;
ts.preferredTabWidth = this.config.preferredTabWidth || 150;
ts.monitorResize = false;
ts.bodyEl.setStyle("overflow", this.config.autoScroll ? "auto" : "hidden");
ts.bodyEl.addClass('x-layout-tabs-body');
this.panels.each(this.initPanelAsTab, this);
},
initPanelAsTab : function(panel){
var ti = this.tabs.addTab(panel.getEl().id, panel.getTitle(), null,
this.config.closeOnTab && panel.isClosable());
if(panel.tabTip !== undefined){
ti.setTooltip(panel.tabTip);
}
ti.on("activate", function(){
this.setActivePanel(panel);
}, this);
if(this.config.closeOnTab){
ti.on("beforeclose", function(t, e){
e.cancel = true;
this.remove(panel);
}, this);
}
return ti;
},
updatePanelTitle : function(panel, title){
if(this.activePanel == panel){
this.updateTitle(title);
}
if(this.tabs){
var ti = this.tabs.getTab(panel.getEl().id);
ti.setText(title);
if(panel.tabTip !== undefined){
ti.setTooltip(panel.tabTip);
}
}
},
updateTitle : function(title){
if(this.titleTextEl && !this.config.title){
this.titleTextEl.innerHTML = (typeof title != "undefined" && title.length > 0 ? title : " ");
}
},
setActivePanel : function(panel){
panel = this.getPanel(panel);
if(this.activePanel && this.activePanel != panel){
this.activePanel.setActiveState(false);
}
this.activePanel = panel;
panel.setActiveState(true);
if(this.panelSize){
panel.setSize(this.panelSize.width, this.panelSize.height);
}
if(this.closeBtn){
this.closeBtn.setVisible(!this.config.closeOnTab && !this.isSlid && panel.isClosable());
}
this.updateTitle(panel.getTitle());
if(this.tabs){
this.fireEvent("invalidated", this);
}
this.fireEvent("panelactivated", this, panel);
},
/**
* Show the specified panel.
* @param {Number/String/ContentPanel} panelId The panels index, id or the panel itself
* @return {Ext.ContentPanel} The shown panel or null
*/
showPanel : function(panel){
if(panel = this.getPanel(panel)){
if(this.tabs){
var tab = this.tabs.getTab(panel.getEl().id);
if(tab.isHidden()){
this.tabs.unhideTab(tab.id);
}
tab.activate();
}else{
this.setActivePanel(panel);
}
}
return panel;
},
/**
* Get the active panel for this region.
* @return {Ext.ContentPanel} The active panel or null
*/
getActivePanel : function(){
return this.activePanel;
},
validateVisibility : function(){
if(this.panels.getCount() < 1){
this.updateTitle(" ");
this.closeBtn.hide();
this.hide();
}else{
if(!this.isVisible()){
this.show();
}
}
},
/**
* Add the passed ContentPanel(s)
* @param {ContentPanel...} panel The ContentPanel(s) to add (you can pass more than one)
* @return {Ext.ContentPanel} The panel added (if only one was added)
*/
add : function(panel){
if(arguments.length > 1){
for(var i = 0, len = arguments.length; i < len; i++) {
this.add(arguments[i]);
}
return null;
}
if(this.hasPanel(panel)){
this.showPanel(panel);
return panel;
}
panel.setRegion(this);
this.panels.add(panel);
if(this.panels.getCount() == 1 && !this.config.alwaysShowTabs){
this.bodyEl.dom.appendChild(panel.getEl().dom);
if(panel.background !== true){
this.setActivePanel(panel);
}
this.fireEvent("paneladded", this, panel);
return panel;
}
if(!this.tabs){
this.initTabs();
}else{
this.initPanelAsTab(panel);
}
if(panel.background !== true){
this.tabs.activate(panel.getEl().id);
}
this.fireEvent("paneladded", this, panel);
return panel;
},
/**
* Hides the tab for the specified panel.
* @param {Number/String/ContentPanel} panel The panels index, id or the panel itself
*/
hidePanel : function(panel){
if(this.tabs && (panel = this.getPanel(panel))){
this.tabs.hideTab(panel.getEl().id);
}
},
/**
* Unhides the tab for a previously hidden panel.
* @param {Number/String/ContentPanel} panel The panels index, id or the panel itself
*/
unhidePanel : function(panel){
if(this.tabs && (panel = this.getPanel(panel))){
this.tabs.unhideTab(panel.getEl().id);
}
},
clearPanels : function(){
while(this.panels.getCount() > 0){
this.remove(this.panels.first());
}
},
/**
* Removes the specified panel. If preservePanel is not true (either here or in the config), the panel is destroyed.
* @param {Number/String/ContentPanel} panel The panels index, id or the panel itself
* @param {Boolean} preservePanel Overrides the config preservePanel option
* @return {Ext.ContentPanel} The panel that was removed
*/
remove : function(panel, preservePanel){
panel = this.getPanel(panel);
if(!panel){
return null;
}
var e = {};
this.fireEvent("beforeremove", this, panel, e);
if(e.cancel === true){
return null;
}
preservePanel = (typeof preservePanel != "undefined" ? preservePanel : (this.config.preservePanels === true || panel.preserve === true));
var panelId = panel.getId();
this.panels.removeKey(panelId);
if(preservePanel){
document.body.appendChild(panel.getEl().dom);
}
if(this.tabs){
this.tabs.removeTab(panel.getEl().id);
}else if (!preservePanel){
this.bodyEl.dom.removeChild(panel.getEl().dom);
}
if(this.panels.getCount() == 1 && this.tabs && !this.config.alwaysShowTabs){
var p = this.panels.first();
var tempEl = document.createElement("div"); // temp holder to keep IE from deleting the node
tempEl.appendChild(p.getEl().dom);
this.bodyEl.update("");
this.bodyEl.dom.appendChild(p.getEl().dom);
tempEl = null;
this.updateTitle(p.getTitle());
this.tabs = null;
this.bodyEl.setStyle("overflow", this.config.autoScroll ? "auto" : "hidden");
this.setActivePanel(p);
}
panel.setRegion(null);
if(this.activePanel == panel){
this.activePanel = null;
}
if(this.config.autoDestroy !== false && preservePanel !== true){
try{panel.destroy();}catch(e){}
}
this.fireEvent("panelremoved", this, panel);
return panel;
},
/**
* Returns the TabPanel component used by this region
* @return {Ext.TabPanel}
*/
getTabs : function(){
return this.tabs;
},
createTool : function(parentEl, className){
var btn = Ext.DomHelper.append(parentEl, {tag: "div", cls: "x-layout-tools-button",
children: [{tag: "div", cls: "x-layout-tools-button-inner " + className, html: " "}]}, true);
btn.addClassOnOver("x-layout-tools-button-over");
return btn;
}
});
Ext - Copyright © 2006-2007 Ext JS, LLC
All rights reserved.