Upgrade to ExtJS 4.0.0 - Released 04/26/2011

[extjs.git] / src / layout / component / Tip.js

diff --git a/src/layout/component/Tip.js b/src/layout/component/Tip.js
new file mode 100644 (file)
index 0000000..ca99583
--- /dev/null
+++ b/src/layout/component/Tip.js
@@ -0,0 +1,76 @@
+/**
+ * Component layout for Tip/ToolTip/etc. components
+ * @class Ext.layout.component.Tip
+ * @extends Ext.layout.component.Dock
+ * @private
+ */
+
+Ext.define('Ext.layout.component.Tip', {
+
+    /* Begin Definitions */
+
+    alias: ['layout.tip'],
+
+    extend: 'Ext.layout.component.Dock',
+
+    /* End Definitions */
+
+    type: 'tip',
+    
+    onLayout: function(width, height) {
+        var me = this,
+            owner = me.owner,
+            el = owner.el,
+            minWidth,
+            maxWidth,
+            naturalWidth,
+            constrainedWidth,
+            xy = el.getXY();
+
+        // Position offscreen so the natural width is not affected by the viewport's right edge
+        el.setXY([-9999,-9999]);
+
+        // Calculate initial layout
+        this.callParent(arguments);
+
+        // Handle min/maxWidth for auto-width tips
+        if (!Ext.isNumber(width)) {
+            minWidth = owner.minWidth;
+            maxWidth = owner.maxWidth;
+            // IE6/7 in strict mode have a problem doing an autoWidth
+            if (Ext.isStrict && (Ext.isIE6 || Ext.isIE7)) {
+                constrainedWidth = me.doAutoWidth();
+            } else {
+                naturalWidth = el.getWidth();
+            }
+            if (naturalWidth < minWidth) {
+                constrainedWidth = minWidth;
+            }
+            else if (naturalWidth > maxWidth) {
+                constrainedWidth = maxWidth;
+            }
+            if (constrainedWidth) {
+                this.callParent([constrainedWidth, height]);
+            }
+        }
+
+        // Restore position
+        el.setXY(xy);
+    },
+    
+    doAutoWidth: function(){
+        var me = this,
+            owner = me.owner,
+            body = owner.body,
+            width = body.getTextWidth();
+            
+        if (owner.header) {
+            width = Math.max(width, owner.header.getWidth());
+        }
+        if (!Ext.isDefined(me.frameWidth)) {
+            me.frameWidth = owner.el.getWidth() - body.getWidth();
+        }
+        width += me.frameWidth + body.getPadding('lr');
+        return width;
+    }
+});