showslide.js

初学者

/*
	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.widget.ShowSlide");
dojo.require("dojo.widget.*");
dojo.require("dojo.lang.common");
dojo.require("dojo.widget.HtmlWidget");
dojo.require("dojo.lfx.html");
dojo.require("dojo.html.display");
dojo.require("dojo.html.layout");
dojo.require("dojo.animation.Animation");
dojo.require("dojo.gfx.color");
dojo.widget.defineWidget("dojo.widget.ShowSlide", dojo.widget.HtmlWidget, {title:"", _action:-1, isContainer:true, _components:{}, _actions:[], gotoAction:function (action) {
	this._action = action;
}, _nextAction:function (event) {
	if ((this._action + 1) != this._actions.length) {
		++this._action;
		return true;
	}
	return false;
}, _previousAction:function (event) {
	if ((this._action - 1) != -1) {
		--this._action;
		return true;
	}
	return false;
}, htmlTitle:null, debug:false, noClick:false, templateString:"<div class=\"dojoShowSlide\">\n\t<div class=\"dojoShowSlideTitle\">\n\t\t<h1 dojoAttachPoint=\"htmlTitle\">Title</h1>\n\t</div>\n\t<div class=\"dojoShowSlideBody\" dojoAttachPoint=\"containerNode\"></div>\n</div>\n", templateCssString:".dojoShowSlideTitle {\n\theight: 100px;\n\tbackground: #369;\n}\n.dojoShowSlideTitle h1 {\n\tmargin-top: 0;\n\tline-height: 100px;\n\tmargin-left: 30px;\n}\n.dojoShowSlideBody {\n\tmargin: 15px;\n}\n", templateCssPath:dojo.uri.moduleUri("dojo.widget", "templates/ShowSlide.css"), postCreate:function () {
	this.htmlTitle.innerHTML = this.title;
	var actions = this.getChildrenOfType("ShowAction", false);
	var atypes = {};
	dojo.lang.forEach(actions, function (act) {
		atypes[act.on] = true;
	});
	this._components = {};
	var cn = this.containerNode;
	var nodes = dojo.render.html.ie ? cn.all : cn.getElementsByTagName("*");
	dojo.lang.forEach(nodes, function (node) {
		var as = node.getAttribute("as");
		if (as) {
			if (!this._components[as]) {
				this._components[as] = [];
			}
			this._components[as].push(node);
			if (!atypes[as]) {
				var tmpAction = dojo.widget.createWidget("ShowAction", {on:as});
				this.addChild(tmpAction);
				atypes[as] = true;
			}
		}
	}, this);
	this._actions = [];
	actions = this.getChildrenOfType("ShowAction", false);
	dojo.lang.forEach(actions, function (child) {
		this._actions.push(child);
		var components = this._components[child.on];
		for (var j = 0, component; component = components[j]; j++) {
			if (child["action"] && ((child.action != "remove") && (child.action != "fadeout") && (child.action != "wipeout"))) {
				this.hideComponent(component);
			}
		}
	}, this);
}, previousAction:function (event) {
	if (!this.parent.stopEvent(event)) {
		return false;
	}
	var action = this._actions[this._action];
	if (!action) {
		return false;
	}
	var on = action.on;
	while (action.on == on) {
		var components = this._components[on];
		for (var i = 0, component; component = components[i]; i++) {
			if ((action.action == "remove") || (action.action == "fadeout") || (action.action == "wipeout")) {
				if (component.style.display == "none") {
					component.style.display = "";
					component.style.visibility = "visible";
					var exits = true;
				}
				dojo.html.setOpacity(component, 1);
			} else {
				if (action.action) {
					this.hideComponent(component);
				}
			}
		}
		--this._action;
		if (exits) {
			return true;
		}
		if (action.auto == "true") {
			on = this._actions[this._action].on;
		}
		action = this._actions[this._action];
		if (!action) {
			return false;
		}
	}
	return true;
}, hideComponent:function (component) {
	component.style.visibility = "hidden";
	component.style.backgroundColor = "transparent";
	var parent = component.parentNode;
	if ((parent) && (parent.tagName.toLowerCase() == "li")) {
		parent.oldType = parent.style.listStyleType;
		parent.style.listStyleType = "none";
	}
}, nextAction:function (event) {
	if (!this.parent.stopEvent(event)) {
		return false;
	}
	if (!this._nextAction(this)) {
		return false;
	}
	var action = this._actions[this._action];
	if (!action) {
		return false;
	}
	var tmpAction = action["action"];
	var components = this._components[action.on];
	for (var i = 0, component; component = components[i]; i++) {
		if (tmpAction) {
			var duration = action.duration || 1000;
			if ((tmpAction == "fade") || (tmpAction == "fadeIn")) {
				dojo.html.setOpacity(component, 0);
				dojo.lfx.html.fadeShow(component, duration).play(true);
			} else {
				if (tmpAction == "fadeout") {
					dojo.lfx.html.fadeHide(component, duration).play(true);
				} else {
					if (tmpAction == "fly") {
						var width = dojo.html.getMarginBox(component).width;
						var position = dojo.html.getAbsolutePosition(component);
						component.style.position = "relative";
						component.style.left = -(width + position.x) + "px";
						dojo.lfx.html.slideBy(component, {top:0, left:(width + position.x)}, duration, -1, this.callWith).play(true);
					} else {
						if ((tmpAction == "wipe") || (tmpAction == "wipein")) {
							dojo.lfx.html.wipeIn(component, duration).play();
						} else {
							if (tmpAction == "wipeout") {
								dojo.lfx.html.wipeOut(component, duration).play();
							} else {
								if (tmpAction == "color") {
									var from = new dojo.gfx.color.Color(action.from).toRgb();
									var to = new dojo.gfx.color.Color(action.to).toRgb();
									var anim = new dojo.animation.Animation(new dojo.math.curves.Line(from, to), duration, 0);
									var node = component;
									dojo.event.connect(anim, "onAnimate", function (e) {
										node.style.color = "rgb(" + e.coordsAsInts().join(",") + ")";
									});
									anim.play(true);
								} else {
									if (tmpAction == "bgcolor") {
										dojo.lfx.html.unhighlight(component, action.to, duration).play();
									} else {
										if (tmpAction == "remove") {
											component.style.display = "none";
										}
									}
								}
							}
						}
					}
				}
			}
			if (tmpAction == "hide") {
				component.style.visibility = "hidden";
			} else {
				component.style.visibility = "visible";
			}
		}
	}
	action = this._actions[this._action + 1];
	if (action && action.auto == "true") {
		this.nextAction();
	}
	return true;
}, callWith:function (node) {
	if (!node) {
		return;
	}
	if (dojo.lang.isArray(node)) {
		dojo.lang.forEach(node, arguments.callee);
		return;
	}
	var parent = node.parentNode;
	if ((parent) && (parent.tagName.toLowerCase() == "li")) {
		parent.style.listStyleType = parent.oldType;
	}
}});