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