html.js

dojo与json创建无限级树的时候,当在父结点下添加了一个新结点,我怎么让父亲结点重新调用json加载一下子结点内容.

/*
	Copyright (c) 2004-2006, The Dojo Foundation
	All Rights Reserved.

	Licensed under the Academic Free License version 2.1 or above OR the
	modified BSD license. For more information on Dojo licensing, see:

		http://dojotoolkit.org/community/licensing.shtml
*/

dojo.provide("dojo.fx.html");

dojo.require("dojo.style");
dojo.require("dojo.math.curves");
dojo.require("dojo.lang.func");
dojo.require("dojo.animation");
dojo.require("dojo.event.*");
dojo.require("dojo.graphics.color");

dojo.deprecated("dojo.fx.html", "use dojo.lfx.html instead", "0.4");

dojo.fx.duration = 300;

dojo.fx.html._makeFadeable = function(node){
	if(dojo.render.html.ie){
		// only set the zoom if the "tickle" value would be the same as the
		// default
		if( (node.style.zoom.length == 0) &&
			(dojo.style.getStyle(node, "zoom") == "normal") ){
			// make sure the node "hasLayout"
			// NOTE: this has been tested with larger and smaller user-set text
			// sizes and works fine
			node.style.zoom = "1";
			// node.style.zoom = "normal";
		}
		// don't set the width to auto if it didn't already cascade that way.
		// We don't want to f anyones designs
		if(	(node.style.width.length == 0) &&
			(dojo.style.getStyle(node, "width") == "auto") ){
			node.style.width = "auto";
		}
	}
}

dojo.fx.html.fadeOut = function(node, duration, callback, dontPlay) {
	return dojo.fx.html.fade(node, duration, dojo.style.getOpacity(node), 0, callback, dontPlay);
};

dojo.fx.html.fadeIn = function(node, duration, callback, dontPlay) {
	return dojo.fx.html.fade(node, duration, dojo.style.getOpacity(node), 1, callback, dontPlay);
};

dojo.fx.html.fadeHide = function(node, duration, callback, dontPlay) {
	node = dojo.byId(node);
	if(!duration) { duration = 150; } // why not have a default?
	return dojo.fx.html.fadeOut(node, duration, function(node) {
		node.style.display = "none";
		if(typeof callback == "function") { callback(node); }
	});
};

dojo.fx.html.fadeShow = function(node, duration, callback, dontPlay) {
	node = dojo.byId(node);
	if(!duration) { duration = 150; } // why not have a default?
	node.style.display = "block";
	return dojo.fx.html.fade(node, duration, 0, 1, callback, dontPlay);
};

dojo.fx.html.fade = function(node, duration, startOpac, endOpac, callback, dontPlay) {
	node = dojo.byId(node);
	dojo.fx.html._makeFadeable(node);
	var anim = new dojo.animation.Animation(
		new dojo.math.curves.Line([startOpac],[endOpac]),
		duration||dojo.fx.duration, 0);
	dojo.event.connect(anim, "onAnimate", function(e) {
		dojo.style.setOpacity(node, e.x);
	});
	if(callback) {
		dojo.event.connect(anim, "onEnd", function(e) {
			callback(node, anim);
		});
	}
	if(!dontPlay) { anim.play(true); }
	return anim;
};

dojo.fx.html.slideTo = function(node, duration, endCoords, callback, dontPlay) {
	if(!dojo.lang.isNumber(duration)) {
		var tmp = duration;
		duration = endCoords;
		endCoords = tmp;
	}
	node = dojo.byId(node);

	var top = node.offsetTop;
	var left = node.offsetLeft;
	var pos = dojo.style.getComputedStyle(node, 'position');

	if (pos == 'relative' || pos == 'static') {
		top = parseInt(dojo.style.getComputedStyle(node, 'top')) || 0;
		left = parseInt(dojo.style.getComputedStyle(node, 'left')) || 0;
	}

	return dojo.fx.html.slide(node, duration, [left, top],
		endCoords, callback, dontPlay);
};

dojo.fx.html.slideBy = function(node, duration, coords, callback, dontPlay) {
	if(!dojo.lang.isNumber(duration)) {
		var tmp = duration;
		duration = coords;
		coords = tmp;
	}
	node = dojo.byId(node);

	var top = node.offsetTop;
	var left = node.offsetLeft;
	var pos = dojo.style.getComputedStyle(node, 'position');

	if (pos == 'relative' || pos == 'static') {
		top = parseInt(dojo.style.getComputedStyle(node, 'top')) || 0;
		left = parseInt(dojo.style.getComputedStyle(node, 'left')) || 0;
	}

	return dojo.fx.html.slideTo(node, duration, [left+coords[0], top+coords[1]],
		callback, dontPlay);
};

dojo.fx.html.slide = function(node, duration, startCoords, endCoords, callback, dontPlay) {
	if(!dojo.lang.isNumber(duration)) {
		var tmp = duration;
		duration = endCoords;
		endCoords = startCoords;
		startCoords = tmp;
	}
	node = dojo.byId(node);

	if (dojo.style.getComputedStyle(node, 'position') == 'static') {
		node.style.position = 'relative';
	}

	var anim = new dojo.animation.Animation(
		new dojo.math.curves.Line(startCoords, endCoords),
		duration||dojo.fx.duration, 0);
	dojo.event.connect(anim, "onAnimate", function(e) {
		with( node.style ) {
			left = e.x + "px";
			top = e.y + "px";
		}
	});
	if(callback) {
		dojo.event.connect(anim, "onEnd", function(e) {
			callback(node, anim);
		});
	}
	if(!dontPlay) { anim.play(true); }
	return anim;
};

// Fade from startColor to the node's background color
dojo.fx.html.colorFadeIn = function(node, duration, startColor, delay, callback, dontPlay) {
	if(!dojo.lang.isNumber(duration)) {
		var tmp = duration;
		duration = startColor;
		startColor = tmp;
	}
	node = dojo.byId(node);
	var color = dojo.style.getBackgroundColor(node);
	var bg = dojo.style.getStyle(node, "background-color").toLowerCase();
	var wasTransparent = bg == "transparent" || bg == "rgba(0, 0, 0, 0)";
	while(color.length > 3) { color.pop(); }

	var rgb = new dojo.graphics.color.Color(startColor).toRgb();
	var anim = dojo.fx.html.colorFade(node, duration||dojo.fx.duration, startColor, color, callback, true);
	dojo.event.connect(anim, "onEnd", function(e) {
		if( wasTransparent ) {
			node.style.backgroundColor = "transparent";
		}
	});
	if( delay > 0 ) {
		node.style.backgroundColor = "rgb(" + rgb.join(",") + ")";
		if(!dontPlay) { setTimeout(function(){anim.play(true)}, delay); }
	} else {
		if(!dontPlay) { anim.play(true); }
	}
	return anim;
};
// alias for (probably?) common use/terminology
dojo.fx.html.highlight = dojo.fx.html.colorFadeIn;
dojo.fx.html.colorFadeFrom = dojo.fx.html.colorFadeIn;

// Fade from node's background color to endColor
dojo.fx.html.colorFadeOut = function(node, duration, endColor, delay, callback, dontPlay) {
	if(!dojo.lang.isNumber(duration)) {
		var tmp = duration;
		duration = endColor;
		endColor = tmp;
	}
	node = dojo.byId(node);
	var color = new dojo.graphics.color.Color(dojo.style.getBackgroundColor(node)).toRgb();

	var rgb = new dojo.graphics.color.Color(endColor).toRgb();
	var anim = dojo.fx.html.colorFade(node, duration||dojo.fx.duration, color, rgb, callback, delay > 0 || dontPlay);
	if( delay > 0 ) {
		node.style.backgroundColor = "rgb(" + color.join(",") + ")";
		if(!dontPlay) { setTimeout(function(){anim.play(true)}, delay); }
	}
	return anim;
};
// FIXME: not sure which name is better. an alias here may be bad.
dojo.fx.html.unhighlight = dojo.fx.html.colorFadeOut;
dojo.fx.html.colorFadeTo = dojo.fx.html.colorFadeOut;

// Fade node background from startColor to endColor
dojo.fx.html.colorFade = function(node, duration, startColor, endColor, callback, dontPlay) {
	if(!dojo.lang.isNumber(duration)) {
		var tmp = duration;
		duration = endColor;
		endColor = startColor;
		startColor = tmp;
	}
	node = dojo.byId(node);
	var startRgb = new dojo.graphics.color.Color(startColor).toRgb();
	var endRgb = new dojo.graphics.color.Color(endColor).toRgb();
	var anim = new dojo.animation.Animation(
		new dojo.math.curves.Line(startRgb, endRgb),
		duration||dojo.fx.duration, 0);
	dojo.event.connect(anim, "onAnimate", function(e) {
		node.style.backgroundColor = "rgb(" + e.coordsAsInts().join(",") + ")";
	});
	if(callback) {
		dojo.event.connect(anim, "onEnd", function(e) {
			callback(node, anim);
		});
	}
	if( !dontPlay ) { anim.play(true); }
	return anim;
};

dojo.fx.html.wipeIn = function(node, duration, callback, dontPlay) {
	node = dojo.byId(node);
	var overflow = dojo.style.getStyle(node, "overflow");
	if(overflow == "visible") {
		node.style.overflow = "hidden";
	}
	node.style.height = 0;
	dojo.style.show(node);
	var anim = dojo.fx.html.wipe(node, duration, 0, node.scrollHeight, null, true);
	dojo.event.connect(anim, "onEnd", function() {
		node.style.overflow = overflow;
		node.style.visibility = "";
		node.style.height = "auto";
		if(callback) { callback(node, anim); }
	});
	if(!dontPlay) { anim.play(); }
	return anim;
}

dojo.fx.html.wipeOut = function(node, duration, callback, dontPlay) {
	node = dojo.byId(node);
	var overflow = dojo.style.getStyle(node, "overflow");
	if(overflow == "visible") {
		node.style.overflow = "hidden";
	}
	var anim = dojo.fx.html.wipe(node, duration, node.offsetHeight, 0, null, true);
	dojo.event.connect(anim, "onEnd", function() {
		dojo.style.hide(node);
		node.style.visibility = "hidden";
		node.style.overflow = overflow;
		if(callback) { callback(node, anim); }
	});
	if(!dontPlay) { anim.play(); }
	return anim;
}

dojo.fx.html.wipe = function(node, duration, startHeight, endHeight, callback, dontPlay) {
	node = dojo.byId(node);
	var anim = new dojo.animation.Animation([[startHeight], [endHeight]], duration||dojo.fx.duration, 0);
	dojo.event.connect(anim, "onAnimate", function(e) {
		node.style.height = e.x + "px";
	});
	dojo.event.connect(anim, "onEnd", function() {
		if(callback) { callback(node, anim); }
	});
	if(!dontPlay) { anim.play(); }
	return anim;
}