/**
+ * @class Ext.Tip
+ * @extends Ext.Panel
+ * This is the base class for {@link Ext.QuickTip} and {@link Ext.Tooltip} that provides the basic layout and
+ * positioning that all tip-based classes require. This class can be used directly for simple, statically-positioned
+ * tips that are displayed programmatically, or it can be extended to provide custom tip implementations.
+ * @constructor
+ * Create a new Tip
+ * @param {Object} config The configuration options
+ */
+Ext.Tip = Ext.extend(Ext.Panel, {
+ /**
+ * @cfg {Boolean} closable True to render a close tool button into the tooltip header (defaults to false).
+ */
+ /**
+ * @cfg {Number} width
+ * Width in pixels of the tip (defaults to auto). Width will be ignored if it exceeds the bounds of
+ * {@link #minWidth} or {@link #maxWidth}. The maximum supported value is 500.
+ */
+ /**
+ * @cfg {Number} minWidth The minimum width of the tip in pixels (defaults to 40).
+ */
+ minWidth : 40,
+ /**
+ * @cfg {Number} maxWidth The maximum width of the tip in pixels (defaults to 300). The maximum supported value is 500.
+ */
+ maxWidth : 300,
+ /**
+ * @cfg {Boolean/String} shadow True or "sides" for the default effect, "frame" for 4-way shadow, and "drop"
+ * for bottom-right shadow (defaults to "sides").
+ */
+ shadow : "sides",
+ /**
+ * @cfg {String} defaultAlign Experimental. The default {@link Ext.Element#alignTo} anchor position value
+ * for this tip relative to its element of origin (defaults to "tl-bl?").
+ */
+ defaultAlign : "tl-bl?",
+ autoRender: true,
+ quickShowInterval : 250,
+
+ // private panel overrides
+ frame:true,
+ hidden:true,
+ baseCls: 'x-tip',
+ floating:{shadow:true,shim:true,useDisplay:true,constrain:false},
+ autoHeight:true,
+
+ closeAction: 'hide',
+
+ // private
+ initComponent : function(){
+ Ext.Tip.superclass.initComponent.call(this);
+ if(this.closable && !this.title){
+ this.elements += ',header';
+ }
+ },
+
+ // private
+ afterRender : function(){
+ Ext.Tip.superclass.afterRender.call(this);
+ if(this.closable){
+ this.addTool({
+ id: 'close',
+ handler: this[this.closeAction],
+ scope: this
+ });
+ }
+ },
+
+ /**
+ * Shows this tip at the specified XY position. Example usage:
+ *
+// Show the tip at x:50 and y:100
+tip.showAt([50,100]);
+
+ * @param {Array} xy An array containing the x and y coordinates
+ */
+ showAt : function(xy){
+ Ext.Tip.superclass.show.call(this);
+ if(this.measureWidth !== false && (!this.initialConfig || typeof this.initialConfig.width != 'number')){
+ this.doAutoWidth();
+ }
+ if(this.constrainPosition){
+ xy = this.el.adjustForConstraints(xy);
+ }
+ this.setPagePosition(xy[0], xy[1]);
+ },
+
+ // protected
+ doAutoWidth : function(){
+ var bw = this.body.getTextWidth();
+ if(this.title){
+ bw = Math.max(bw, this.header.child('span').getTextWidth(this.title));
+ }
+ bw += this.getFrameWidth() + (this.closable ? 20 : 0) + this.body.getPadding("lr");
+ this.setWidth(bw.constrain(this.minWidth, this.maxWidth));
+
+ // IE7 repaint bug on initial show
+ if(Ext.isIE7 && !this.repainted){
+ this.el.repaint();
+ this.repainted = true;
+ }
+ },
+
+ /**
+ * Experimental. Shows this tip at a position relative to another element using a standard {@link Ext.Element#alignTo}
+ * anchor position value. Example usage:
+ *
+// Show the tip at the default position ('tl-br?')
+tip.showBy('my-el');
+
+// Show the tip's top-left corner anchored to the element's top-right corner
+tip.showBy('my-el', 'tl-tr');
+
+ * @param {Mixed} el An HTMLElement, Ext.Element or string id of the target element to align to
+ * @param {String} position (optional) A valid {@link Ext.Element#alignTo} anchor position (defaults to 'tl-br?' or
+ * {@link #defaultAlign} if specified).
+ */
+ showBy : function(el, pos){
+ if(!this.rendered){
+ this.render(Ext.getBody());
+ }
+ this.showAt(this.el.getAlignToXY(el, pos || this.defaultAlign));
+ },
+
+ initDraggable : function(){
+ this.dd = new Ext.Tip.DD(this, typeof this.draggable == 'boolean' ? null : this.draggable);
+ this.header.addClass('x-tip-draggable');
+ }
+});
+
+// private - custom Tip DD implementation
+Ext.Tip.DD = function(tip, config){
+ Ext.apply(this, config);
+ this.tip = tip;
+ Ext.Tip.DD.superclass.constructor.call(this, tip.el.id, 'WindowDD-'+tip.id);
+ this.setHandleElId(tip.header.id);
+ this.scroll = false;
+};
+
+Ext.extend(Ext.Tip.DD, Ext.dd.DD, {
+ moveOnly:true,
+ scroll:false,
+ headerOffsets:[100, 25],
+ startDrag : function(){
+ this.tip.el.disableShadow();
+ },
+ endDrag : function(e){
+ this.tip.el.enableShadow(true);
+ }
+});