dialogs-debug.js

ext js demo ext学习资料

/*
 * Ext JS Library 1.1 RC 1
 * Copyright(c) 2006-2007, Ext JS, LLC.
 * [e-mail]
 * 
 * http://www.extjs.com/license
 */


Ext.BasicDialog = function(el, config){
    this.el = Ext.get(el);
    var dh = Ext.DomHelper;
    if(!this.el && config && config.autoCreate){
        if(typeof config.autoCreate == "object"){
            if(!config.autoCreate.id){
                config.autoCreate.id = el;
            }
            this.el = dh.append(document.body,
                        config.autoCreate, true);
        }else{
            this.el = dh.append(document.body,
                        {tag: "div", id: el, style:'visibility:hidden;'}, true);
        }
    }
    el = this.el;
    el.setDisplayed(true);
    el.hide = this.hideAction;
    this.id = el.id;
    el.addClass("x-dlg");

    Ext.apply(this, config);

    this.proxy = el.createProxy("x-dlg-proxy");
    this.proxy.hide = this.hideAction;
    this.proxy.setOpacity(.5);
    this.proxy.hide();

    if(config.width){
        el.setWidth(config.width);
    }
    if(config.height){
        el.setHeight(config.height);
    }
    this.size = el.getSize();
    if(typeof config.x != "undefined" && typeof config.y != "undefined"){
        this.xy = [config.x,config.y];
    }else{
        this.xy = el.getCenterXY(true);
    }
    
    this.header = el.child("> .x-dlg-hd");
    
    this.body = el.child("> .x-dlg-bd");
    
    this.footer = el.child("> .x-dlg-ft");

    if(!this.header){
        this.header = el.createChild({tag: "div", cls:"x-dlg-hd", html: " "}, this.body ? this.body.dom : null);
    }
    if(!this.body){
        this.body = el.createChild({tag: "div", cls:"x-dlg-bd"});
    }

    this.header.unselectable();
    if(this.title){
        this.header.update(this.title);
    }
    
    this.focusEl = el.createChild({tag: "a", href:"#", cls:"x-dlg-focus", tabIndex:"-1"});
    this.focusEl.swallowEvent("click", true);

    this.header.wrap({cls:"x-dlg-hd-right"}).wrap({cls:"x-dlg-hd-left"}, true);

    
    this.bwrap = this.body.wrap({tag: "div", cls:"x-dlg-dlg-body"});
    if(this.footer){
        this.bwrap.dom.appendChild(this.footer.dom);
    }

    this.bg = this.el.createChild({
        tag: "div", cls:"x-dlg-bg",
        html: '<div class="x-dlg-bg-left"><div class="x-dlg-bg-right"><div class="x-dlg-bg-center">&#160;</div></div></div>'
    });
    this.centerBg = this.bg.child("div.x-dlg-bg-center");


    if(this.autoScroll !== false && !this.autoTabs){
        this.body.setStyle("overflow", "auto");
    }

    this.toolbox = this.el.createChild({cls: "x-dlg-toolbox"});

    if(this.closable !== false){
        this.el.addClass("x-dlg-closable");
        this.close = this.toolbox.createChild({cls:"x-dlg-close"});
        this.close.on("click", this.closeClick, this);
        this.close.addClassOnOver("x-dlg-close-over");
    }
    if(this.collapsible !== false){
        this.collapseBtn = this.toolbox.createChild({cls:"x-dlg-collapse"});
        this.collapseBtn.on("click", this.collapseClick, this);
        this.collapseBtn.addClassOnOver("x-dlg-collapse-over");
        this.header.on("dblclick", this.collapseClick, this);
    }
    if(this.resizable !== false){
        this.el.addClass("x-dlg-resizable");
        this.resizer = new Ext.Resizable(el, {
            minWidth: this.minWidth || 80,
            minHeight:this.minHeight || 80,
            handles: this.resizeHandles || "all",
            pinned: true
        });
        this.resizer.on("beforeresize", this.beforeResize, this);
        this.resizer.on("resize", this.onResize, this);
    }
    if(this.draggable !== false){
        el.addClass("x-dlg-draggable");
        if (!this.proxyDrag) {
            var dd = new Ext.dd.DD(el.dom.id, "WindowDrag");
        }
        else {
            var dd = new Ext.dd.DDProxy(el.dom.id, "WindowDrag", {dragElId: this.proxy.id});
        }
        dd.setHandleElId(this.header.id);
        dd.endDrag = this.endMove.createDelegate(this);
        dd.startDrag = this.startMove.createDelegate(this);
        dd.onDrag = this.onDrag.createDelegate(this);
        dd.scroll = false;
        this.dd = dd;
    }
    if(this.modal){
        this.mask = dh.append(document.body, {tag: "div", cls:"x-dlg-mask"}, true);
        this.mask.enableDisplayMode("block");
        this.mask.hide();
        this.el.addClass("x-dlg-modal");
    }
    if(this.shadow){
        this.shadow = new Ext.Shadow({
            mode : typeof this.shadow == "string" ? this.shadow : "sides",
            offset : this.shadowOffset
        });
    }else{
        this.shadowOffset = 0;
    }
    if(Ext.useShims && this.shim !== false){
        this.shim = this.el.createShim();
        this.shim.hide = this.hideAction;
        this.shim.hide();
    }else{
        this.shim = false;
    }
    if(this.autoTabs){
        this.initTabs();
    }
    this.addEvents({
        
        "keydown" : true,
        
        "move" : true,
        
        "resize" : true,
        
        "beforehide" : true,
        
        "hide" : true,
        
        "beforeshow" : true,
        
        "show" : true
    });
    el.on("keydown", this.onKeyDown, this);
    el.on("mousedown", this.toFront, this);
    Ext.EventManager.onWindowResize(this.adjustViewport, this, true);
    this.el.hide();
    Ext.DialogManager.register(this);
    Ext.BasicDialog.superclass.constructor.call(this);
};

Ext.extend(Ext.BasicDialog, Ext.util.Observable, {
    shadowOffset: Ext.isIE ? 6 : 5,
    minHeight: 80,
    minWidth: 200,
    minButtonWidth: 75,
    defaultButton: null,
    buttonAlign: "right",
    tabTag: 'div',
    firstShow: true,

    
    setTitle : function(text){
        this.header.update(text);
        return this;
    },

    
    closeClick : function(){
        this.hide();
    },

    
    collapseClick : function(){
        this[this.collapsed ? "expand" : "collapse"]();
    },

    
    collapse : function(){
        if(!this.collapsed){
            this.collapsed = true;
            this.el.addClass("x-dlg-collapsed");
            this.restoreHeight = this.el.getHeight();
            this.resizeTo(this.el.getWidth(), this.header.getHeight());
        }
    },

    
    expand : function(){
        if(this.collapsed){
            this.collapsed = false;
            this.el.removeClass("x-dlg-collapsed");
            this.resizeTo(this.el.getWidth(), this.restoreHeight);
        }
    },

    
    initTabs : function(){
        var tabs = this.getTabs();
        while(tabs.getTab(0)){
            tabs.removeTab(0);
        }
        this.el.select(this.tabTag+'.x-dlg-tab').each(function(el){
            var dom = el.dom;
            tabs.addTab(Ext.id(dom), dom.title);
            dom.title = "";
        });
        tabs.activate(0);
        return tabs;
    },

    
    beforeResize : function(){
        this.resizer.minHeight = Math.max(this.minHeight, this.getHeaderFooterHeight(true)+40);
    },

    
    onResize : function(){
        this.refreshSize();
        this.syncBodyHeight();
        this.adjustAssets();
        this.focus();
        this.fireEvent("resize", this, this.size.width, this.size.height);
    },

    
    onKeyDown : function(e){
        if(this.isVisible()){
            this.fireEvent("keydown", this, e);
        }
    },

    
    resizeTo : function(width, height){
        this.el.setSize(width, height);
        this.size = {width: width, height: height};
        this.syncBodyHeight();
        if(this.fixedcenter){
            this.center();
        }
        if(this.isVisible()){
            this.constrainXY();
            this.adjustAssets();
        }
        this.fireEvent("resize", this, width, height);
        return this;
    },


    
    setContentSize : function(w, h){
        h += this.getHeaderFooterHeight() + this.body.getMargins("tb");
        w += this.body.getMargins("lr") + this.bwrap.getMargins("lr") + this.centerBg.getPadding("lr");
        
            h +=  this.body.getPadding("tb") + this.bwrap.getBorderWidth("tb") + this.body.getBorderWidth("tb") + this.el.getBorderWidth("tb");
            w += this.body.getPadding("lr") + this.bwrap.getBorderWidth("lr") + this.body.getBorderWidth("lr") + this.bwrap.getPadding("lr") + this.el.getBorderWidth("lr");
        
        if(this.tabs){
            h += this.tabs.stripWrap.getHeight() + this.tabs.bodyEl.getMargins("tb") + this.tabs.bodyEl.getPadding("tb");
            w += this.tabs.bodyEl.getMargins("lr") + this.tabs.bodyEl.getPadding("lr");
        }
        this.resizeTo(w, h);
        return this;
    },

    
    addKeyListener : function(key, fn, scope){
        var keyCode, shift, ctrl, alt;
        if(typeof key == "object" && !(key instanceof Array)){
            keyCode = key["key"];
            shift = key["shift"];
            ctrl = key["ctrl"];
            alt = key["alt"];
        }else{
            keyCode = key;
        }
        var handler = function(dlg, e){
            if((!shift || e.shiftKey) && (!ctrl || e.ctrlKey) &&  (!alt || e.altKey)){
                var k = e.getKey();
                if(keyCode instanceof Array){
                    for(var i = 0, len = keyCode.length; i < len; i++){
                        if(keyCode[i] == k){
                          fn.call(scope || window, dlg, k, e);
                          return;
                        }
                    }
                }else{
                    if(k == keyCode){
                        fn.call(scope || window, dlg, k, e);
                    }
                }
            }
        };
        this.on("keydown", handler);
        return this;
    },

    
    getTabs : function(){
        if(!this.tabs){
            this.el.addClass("x-dlg-auto-tabs");
            this.body.addClass(this.tabPosition == "bottom" ? "x-tabs-bottom" : "x-tabs-top");
            this.tabs = new Ext.TabPanel(this.body.dom, this.tabPosition == "bottom");
        }
        return this.tabs;
    },

    
    addButton : function(config, handler, scope){
        var dh = Ext.DomHelper;
        if(!this.footer){
            this.footer = dh.append(this.bwrap, {tag: "div", cls:"x-dlg-ft"}, true);
        }
        if(!this.btnContainer){
            var tb = this.footer.createChild({

                cls:"x-dlg-btns x-dlg-btns-"+this.buttonAlign,
                html:'<table cellspacing="0"><tbody><tr></tr></tbody></table><div class="x-clear"></div>'
            }, null, true);
            this.btnContainer = tb.firstChild.firstChild.firstChild;
        }
        var bconfig = {
            handler: handler,
            scope: scope,
            minWidth: this.minButtonWidth,
            hideParent:true
        };
        if(typeof config == "string"){
            bconfig.text = config;
        }else{
            if(config.tag){
                bconfig.dhconfig = config;
            }else{
                Ext.apply(bconfig, config);
            }
        }
        var btn = new Ext.Button(
            this.btnContainer.appendChild(document.createElement("td")),
            bconfig
        );
        this.syncBodyHeight();
        if(!this.buttons){
            
            this.buttons = [];
        }
        this.buttons.push(btn);
        return btn;
    },

    
    setDefaultButton : function(btn){
        this.defaultButton = btn;
        return this;
    },

    
    getHeaderFooterHeight : function(safe){
        var height = 0;
        if(this.header){
           height += this.header.getHeight();
        }
        if(this.footer){
           var fm = this.footer.getMargins();
            height += (this.footer.getHeight()+fm.top+fm.bottom);
        }
        height += this.bwrap.getPadding("tb")+this.bwrap.getBorderWidth("tb");
        height += this.centerBg.getPadding("tb");
        return height;
    },

    
    syncBodyHeight : function(){
        var bd = this.body, cb = this.centerBg, bw = this.bwrap;
        var height = this.size.height - this.getHeaderFooterHeight(false);
        bd.setHeight(height-bd.getMargins("tb"));
        var hh = this.header.getHeight();
        var h = this.size.height-hh;
        cb.setHeight(h);
        bw.setLeftTop(cb.getPadding("l"), hh+cb.getPadding("t"));
        bw.setHeight(h-cb.getPadding("tb"));
        bw.setWidth(this.el.getWidth(true)-cb.getPadding("lr"));
        bd.setWidth(bw.getWidth(true));
        if(this.tabs){
            this.tabs.syncHeight();
            if(Ext.isIE){
                this.tabs.el.repaint();
            }