Upgrade to ExtJS 4.0.0 - Released 04/26/2011

[extjs.git] / docs / source / Sprite2.html
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+<!DOCTYPE html><html><head><title>Sencha Documentation Project</title><link rel="stylesheet" href="../reset.css" type="text/css"><link rel="stylesheet" href="../prettify.css" type="text/css"><link rel="stylesheet" href="../prettify_sa.css" type="text/css"><script type="text/javascript" src="../prettify.js"></script></head><body onload="prettyPrint()"><pre class="prettyprint"><pre><span id='Ext-fx.target.Sprite'>/**
+</span> * @class Ext.fx.target.Sprite
+ * @extends Ext.fx.target.Target
+
+This class represents a animation target for a {@link Ext.draw.Sprite}. In general this class will not be
+created directly, the {@link Ext.draw.Sprite} will be passed to the animation and
+and the appropriate target will be created.
+
+ * @markdown
+ */
+
+Ext.define('Ext.fx.target.Sprite', {
+
+    /* Begin Definitions */
+
+    extend: 'Ext.fx.target.Target',
+
+    /* End Definitions */
+
+    type: 'draw',
+
+    getFromPrim: function(sprite, attr) {
+        var o;
+        if (attr == 'translate') {
+            o = {
+                x: sprite.attr.translation.x || 0,
+                y: sprite.attr.translation.y || 0
+            };
+        }
+        else if (attr == 'rotate') {
+            o = {
+                degrees: sprite.attr.rotation.degrees || 0,
+                x: sprite.attr.rotation.x,
+                y: sprite.attr.rotation.y
+            };
+        }
+        else {
+            o = sprite.attr[attr];
+        }
+        return o;
+    },
+
+    getAttr: function(attr, val) {
+        return [[this.target, val != undefined ? val : this.getFromPrim(this.target, attr)]];
+    },
+
+    setAttr: function(targetData) {
+        var ln = targetData.length,
+            spriteArr = [],
+            attrs, attr, attrArr, attPtr, spritePtr, idx, value, i, j, x, y, ln2;
+        for (i = 0; i &lt; ln; i++) {
+            attrs = targetData[i].attrs;
+            for (attr in attrs) {
+                attrArr = attrs[attr];
+                ln2 = attrArr.length;
+                for (j = 0; j &lt; ln2; j++) {
+                    spritePtr = attrArr[j][0];
+                    attPtr = attrArr[j][1];
+                    if (attr === 'translate') {
+                        value = {
+                            x: attPtr.x,
+                            y: attPtr.y
+                        };
+                    }
+                    else if (attr === 'rotate') {
+                        x = attPtr.x;
+                        if (isNaN(x)) {
+                            x = null;
+                        }
+                        y = attPtr.y;
+                        if (isNaN(y)) {
+                            y = null;
+                        }
+                        value = {
+                            degrees: attPtr.degrees,
+                            x: x,
+                            y: y
+                        };
+                    }
+                    else if (attr === 'width' || attr === 'height' || attr === 'x' || attr === 'y') {
+                        value = parseFloat(attPtr);
+                    }
+                    else {
+                        value = attPtr;
+                    }
+                    idx = Ext.Array.indexOf(spriteArr, spritePtr);
+                    if (idx == -1) {
+                        spriteArr.push([spritePtr, {}]);
+                        idx = spriteArr.length - 1;
+                    }
+                    spriteArr[idx][1][attr] = value;
+                }
+            }
+        }
+        ln = spriteArr.length;
+        for (i = 0; i &lt; ln; i++) {
+            spritePtr = spriteArr[i];
+            spritePtr[0].setAttributes(spritePtr[1]);
+        }
+        this.target.redraw();
+    }
+});
+</pre></pre></body></html>
+\ No newline at end of file