* the frequency it calculates and does a re-layout of components. This is useful for heavy containers or containers
* with a large quantity of sub-components for which frequent layout calls would be expensive. Defaults to <code>50</code>.
*/
+ // Deprecated - will be removed in 3.2.x
bufferResize: 50,
<div id="cfg-Ext.Container-activeItem"></div>/**
},
afterRender: function(){
- this.layoutDone = false;
+ // Render this Container, this should be done before setLayout is called which
+ // will hook onResize
+ Ext.Container.superclass.afterRender.call(this);
if(!this.layout){
this.layout = 'auto';
}
}
this.setLayout(this.layout);
- // BoxComponent's afterRender will set the size.
- // This will will trigger a layout if the layout is configured to monitor resize
- Ext.Container.superclass.afterRender.call(this);
-
- if(Ext.isDefined(this.activeItem)){
+ // If a CardLayout, the active item set
+ if(this.activeItem !== undefined){
var item = this.activeItem;
delete this.activeItem;
this.layout.setActiveItem(item);
}
- // If we have no ownerCt and the BoxComponent's sizing did not trigger a layout, force a layout
- if(!this.ownerCt && !this.layoutDone){
+ // If we have no ownerCt, render and size all children
+ if(!this.ownerCt){
this.doLayout(false, true);
}
+ // This is a manually configured flag set by users in conjunction with renderTo.
+ // Not to be confused with the flag by the same name used in Layouts.
if(this.monitorResize === true){
Ext.EventManager.onWindowResize(this.doLayout, this, [false]);
}
onAdd : function(c){
// Empty template method
},
-
+
// private
onAdded : function(container, pos) {
//overridden here so we can cascade down, not worth creating a template method.
// private
doRemove: function(c, autoDestroy){
- if(this.layout && this.rendered){
- this.layout.onRemove(c);
+ var l = this.layout,
+ hasLayout = l && this.rendered;
+
+ if(hasLayout){
+ l.onRemove(c);
}
this.items.remove(c);
c.onRemoved();
if(autoDestroy === true || (autoDestroy !== false && this.autoDestroy)){
c.destroy();
}
+ if(hasLayout){
+ l.afterRemove(c);
+ }
},
<div id="method-Ext.Container-removeAll"></div>/**
return c;
},
- <div id="method-Ext.Container-canLayout"></div>/**
+ <div id="prop-Ext.Container-private"></div>/**
* We can only lay out if there is a view area in which to layout.
* display:none on the layout target, *or any of its parent elements* will mean it has no view area.
*/
- canLayout: function() {
- var el = this.getLayoutTarget(), vs;
- return !!(el && (vs = el.dom.offsetWidth || el.dom.offsetHeight));
+
+ // private
+ canLayout : function() {
+ var el = this.getVisibilityEl();
+ return el && el.dom && !el.isStyle("display", "none");
},
<div id="method-Ext.Container-doLayout"></div>/**
* @param {Boolean} force (optional) True to force a layout to occur, even if the item is hidden.
* @return {Ext.Container} this
*/
- doLayout: function(shallow, force){
+
+ doLayout : function(shallow, force){
var rendered = this.rendered,
- forceLayout = force || this.forceLayout,
- cs, i, len, c;
+ forceLayout = force || this.forceLayout;
- this.layoutDone = true;
- if(!this.canLayout() || this.collapsed){
+ if(this.collapsed || !this.canLayout()){
this.deferLayout = this.deferLayout || !shallow;
if(!forceLayout){
return;
} else {
delete this.deferLayout;
}
-
- cs = (shallow !== true && this.items) ? this.items.items : [];
-
-// Inhibit child Containers from relaying on resize since we are about to to explicitly call doLayout on them all!
- for(i = 0, len = cs.length; i < len; i++){
- if ((c = cs[i]).layout) {
- c.suspendLayoutResize = true;
- }
- }
-
-// Tell the layout manager to ensure all child items are rendered, and sized according to their rules.
-// Will not cause the child items to relayout.
if(rendered && this.layout){
this.layout.layout();
}
-
-// Explicitly lay out all child items
- for(i = 0; i < len; i++){
- if((c = cs[i]).doLayout){
- c.doLayout(false, forceLayout);
+ if(shallow !== true && this.items){
+ var cs = this.items.items;
+ for(var i = 0, len = cs.length; i < len; i++){
+ var c = cs[i];
+ if(c.doLayout){
+ c.doLayout(false, forceLayout);
+ }
}
}
if(rendered){
// Initial layout completed
this.hasLayout = true;
delete this.forceLayout;
-
-// Re-enable child layouts relaying on resize.
- for(i = 0; i < len; i++){
- if ((c = cs[i]).layout) {
- delete c.suspendLayoutResize;
- }
- }
},
- //private
onLayout : Ext.emptyFn,
- onResize: function(adjWidth, adjHeight, rawWidth, rawHeight){
- Ext.Container.superclass.onResize.apply(this, arguments);
- if ((this.rendered && this.layout && this.layout.monitorResize) && !this.suspendLayoutResize) {
- this.layout.onResize();
+ // private
+ shouldBufferLayout: function(){
+ /*
+ * Returns true if the container should buffer a layout.
+ * This is true only if the container has previously been laid out
+ * and has a parent container that is pending a layout.
+ */
+ var hl = this.hasLayout;
+ if(this.ownerCt){
+ // Only ever buffer if we've laid out the first time and we have one pending.
+ return hl ? !this.hasLayoutPending() : false;
}
+ // Never buffer initial layout
+ return hl;
},
// private
hasLayoutPending: function(){
// Traverse hierarchy to see if any parent container has a pending layout.
- var pending = this.layoutPending;
+ var pending = false;
this.ownerCt.bubble(function(c){
- return !(pending = c.layoutPending);
+ if(c.layoutPending){
+ pending = true;
+ return false;
+ }
});
return pending;
-
},
onShow : function(){
+ // removes css classes that were added to hide
Ext.Container.superclass.onShow.call(this);
+ // If we were sized during the time we were hidden, layout.
if(Ext.isDefined(this.deferLayout)){
+ delete this.deferLayout;
this.doLayout(true);
}
},