window.js

ajax窗体技术,有许多漂亮的窗体,实现漂亮的客户端

      Dialog._runAjaxRequest(content, parameters, Dialog.info);
      return 
    }
    content = content || "";
     
    // Backward compatibility
    parameters = parameters || {};
    parameters = Object.extend(parameters, parameters.windowParameters || {});
    parameters.windowParameters = parameters.windowParameters || {};
    
    parameters.className = parameters.className || "alert";
    
    var content = "<div id='modal_dialog_message' class='" + parameters.className + "_message'>" + content  + "</div>";
    if (parameters.showProgress)
      content += "<div id='modal_dialog_progress' class='" + parameters.className + "_progress'>  </div>";

    parameters.ok = null;
    parameters.cancel = null;
    
    return this._openDialog(content, parameters)
  },
  
  setInfoMessage: function(message) {
    $('modal_dialog_message').update(message);
  },
  
  closeInfo: function() {
    Windows.close(this.dialogId);
  },
  
  _openDialog: function(content, parameters) {
    var className = parameters.className;
    
    if (! parameters.height && ! parameters.width) {
      parameters.width = WindowUtilities.getPageSize(parameters.options.parent || document.body).pageWidth / 2;
    }
    if (parameters.id)
      this.dialogId = parameters.id;
    else { 
      var t = new Date();
      this.dialogId = 'modal_dialog_' + t.getTime();
      parameters.id = this.dialogId;
    }

    // compute height or width if need be
    if (! parameters.height || ! parameters.width) {
      var size = WindowUtilities._computeSize(content, this.dialogId, parameters.width, parameters.height, 5, className)
      if (parameters.height)
        parameters.width = size + 5
      else
        parameters.height = size + 5
    }
    parameters.effectOptions = parameters.effectOptions ;
    parameters.resizable   = parameters.resizable || false;
    parameters.minimizable = parameters.minimizable || false;
    parameters.maximizable = parameters.maximizable ||  false;
    parameters.draggable   = parameters.draggable || false;
    parameters.closable    = parameters.closable || false;
    
    var win = new Window(parameters);
    win.getContent().innerHTML = content;
    
    win.showCenter(true, parameters.top, parameters.left);  
    win.setDestroyOnClose();
    
    win.cancelCallback = parameters.onCancel || parameters.cancel; 
    win.okCallback = parameters.onOk || parameters.ok;
    
    return win;    
  },
  
  _getAjaxContent: function(originalRequest)  {
      Dialog.callFunc(originalRequest.responseText, Dialog.parameters)
  },
  
  _runAjaxRequest: function(message, parameters, callFunc) {
    if (message.options == null)
      message.options = {}  
    Dialog.onCompleteFunc = message.options.onComplete;
    Dialog.parameters = parameters;
    Dialog.callFunc = callFunc;
    
    message.options.onComplete = Dialog._getAjaxContent;
    new Ajax.Request(message.url, message.options);
  },
  
  okCallback: function() {
    var win = Windows.focusedWindow;
    if (!win.okCallback || win.okCallback(win)) {
      // Remove onclick on button
      $$("#" + win.getId()+" input").each(function(element) {element.onclick=null;})
      win.close();
    }
  },

  cancelCallback: function() {
    var win = Windows.focusedWindow;
    // Remove onclick on button
    $$("#" + win.getId()+" input").each(function(element) {element.onclick=null})
    win.close();
    if (win.cancelCallback)
      win.cancelCallback(win);
  }
}
/*
  Based on Lightbox JS: Fullsize Image Overlays 
  by Lokesh Dhakar - http://www.huddletogether.com

  For more information on this script, visit:
  http://huddletogether.com/projects/lightbox/

  Licensed under the Creative Commons Attribution 2.5 License - http://creativecommons.org/licenses/by/2.5/
  (basically, do anything you want, just leave my name and link)
*/

if (Prototype.Browser.WebKit) {
  var array = navigator.userAgent.match(new RegExp(/AppleWebKit\/([\d\.\+]*)/));
  Prototype.Browser.WebKitVersion = parseFloat(array[1]);
}

var WindowUtilities = {  
  // From dragdrop.js
  getWindowScroll: function(parent) {
    var T, L, W, H;
    parent = parent || document.body;              
    if (parent != document.body) {
      T = parent.scrollTop;
      L = parent.scrollLeft;
      W = parent.scrollWidth;
      H = parent.scrollHeight;
    } 
    else {
      var w = window;
      with (w.document) {
        if (w.document.documentElement && documentElement.scrollTop) {
          T = documentElement.scrollTop;
          L = documentElement.scrollLeft;
        } else if (w.document.body) {
          T = body.scrollTop;
          L = body.scrollLeft;
        }
        if (w.innerWidth) {
          W = w.innerWidth;
          H = w.innerHeight;
        } else if (w.document.documentElement && documentElement.clientWidth) {
          W = documentElement.clientWidth;
          H = documentElement.clientHeight;
        } else {
          W = body.offsetWidth;
          H = body.offsetHeight
        }
      }
    }
    return { top: T, left: L, width: W, height: H };
  }, 
  //
  // getPageSize()
  // Returns array with page width, height and window width, height
  // Core code from - quirksmode.org
  // Edit for Firefox by pHaez
  //
  getPageSize: function(parent){
    parent = parent || document.body;              
    var windowWidth, windowHeight;
    var pageHeight, pageWidth;
    if (parent != document.body) {
      windowWidth = parent.getWidth();
      windowHeight = parent.getHeight();                                
      pageWidth = parent.scrollWidth;
      pageHeight = parent.scrollHeight;                                
    } 
    else {
      var xScroll, yScroll;

      if (window.innerHeight && window.scrollMaxY) {  
        xScroll = document.body.scrollWidth;
        yScroll = window.innerHeight + window.scrollMaxY;
      } else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
        xScroll = document.body.scrollWidth;
        yScroll = document.body.scrollHeight;
      } else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
        xScroll = document.body.offsetWidth;
        yScroll = document.body.offsetHeight;
      }


      if (self.innerHeight) {  // all except Explorer
        windowWidth = self.innerWidth;
        windowHeight = self.innerHeight;
      } else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
        windowWidth = document.documentElement.clientWidth;
        windowHeight = document.documentElement.clientHeight;
      } else if (document.body) { // other Explorers
        windowWidth = document.body.clientWidth;
        windowHeight = document.body.clientHeight;
      }  

      // for small pages with total height less then height of the viewport
      if(yScroll < windowHeight){
        pageHeight = windowHeight;
      } else { 
        pageHeight = yScroll;
      }

      // for small pages with total width less then width of the viewport
      if(xScroll < windowWidth){  
        pageWidth = windowWidth;
      } else {
        pageWidth = xScroll;
      }
    }             
    return {pageWidth: pageWidth ,pageHeight: pageHeight , windowWidth: windowWidth, windowHeight: windowHeight};
  },

  disableScreen: function(className, overlayId, overlayOpacity, contentId, parent) {
    WindowUtilities.initLightbox(overlayId, className, function() {this._disableScreen(className, overlayId, overlayOpacity, contentId)}.bind(this), parent || document.body);
  },

  _disableScreen: function(className, overlayId, overlayOpacity, contentId) {
    // prep objects
    var objOverlay = $(overlayId);

    var pageSize = WindowUtilities.getPageSize(objOverlay.parentNode);

    // Hide select boxes as they will 'peek' through the image in IE, store old value
    if (contentId && Prototype.Browser.IE) {
      WindowUtilities._hideSelect();
      WindowUtilities._showSelect(contentId);
    }  
  
    // set height of Overlay to take up whole page and show
    objOverlay.style.height = (pageSize.pageHeight + 'px');
    objOverlay.style.display = 'none'; 
    if (overlayId == "overlay_modal" && Window.hasEffectLib && Windows.overlayShowEffectOptions) {
      objOverlay.overlayOpacity = overlayOpacity;
      new Effect.Appear(objOverlay, Object.extend({from: 0, to: overlayOpacity}, Windows.overlayShowEffectOptions));
    }
    else
      objOverlay.style.display = "block";
  },
  
  enableScreen: function(id) {
    id = id || 'overlay_modal';
    var objOverlay =  $(id);
    if (objOverlay) {
      // hide lightbox and overlay
      if (id == "overlay_modal" && Window.hasEffectLib && Windows.overlayHideEffectOptions)
        new Effect.Fade(objOverlay, Object.extend({from: objOverlay.overlayOpacity, to:0}, Windows.overlayHideEffectOptions));
      else {
        objOverlay.style.display = 'none';
        objOverlay.parentNode.removeChild(objOverlay);
      }
      
      // make select boxes visible using old value
      if (id != "__invisible__") 
        WindowUtilities._showSelect();
    }
  },

  _hideSelect: function(id) {
    if (Prototype.Browser.IE) {
      id = id ==  null ? "" : "#" + id + " ";
      $$(id + 'select').each(function(element) {
        if (! WindowUtilities.isDefined(element.oldVisibility)) {
          element.oldVisibility = element.style.visibility ? element.style.visibility : "visible";
          element.style.visibility = "hidden";
        }
      });
    }
  },
  
  _showSelect: function(id) {
    if (Prototype.Browser.IE) {
      id = id ==  null ? "" : "#" + id + " ";
      $$(id + 'select').each(function(element) {
        if (WindowUtilities.isDefined(element.oldVisibility)) {
          // Why?? Ask IE
          try {
            element.style.visibility = element.oldVisibility;
          } catch(e) {
            element.style.visibility = "visible";
          }
          element.oldVisibility = null;
        }
        else {
          if (element.style.visibility)
            element.style.visibility = "visible";
        }
      });
    }
  },

  isDefined: function(object) {
    return typeof(object) != "undefined" && object != null;
  },
  
  // initLightbox()
  // Function runs on window load, going through link tags looking for rel="lightbox".
  // These links receive onclick events that enable the lightbox display for their targets.
  // The function also inserts html markup at the top of the page which will be used as a
  // container for the overlay pattern and the inline image.
  initLightbox: function(id, className, doneHandler, parent) {
    // Already done, just update zIndex
    if ($(id)) {
      Element.setStyle(id, {zIndex: Windows.maxZIndex + 1});
      Windows.maxZIndex++;
      doneHandler();
    }
    // create overlay div and hardcode some functional styles (aesthetic styles are in CSS file)
    else {
      var objOverlay = document.createElement("div");
      objOverlay.setAttribute('id', id);
      objOverlay.className = "overlay_" + className
      objOverlay.style.display = 'none';
      objOverlay.style.position = 'absolute';
      objOverlay.style.top = '0';
      objOverlay.style.left = '0';
      objOverlay.style.zIndex = Windows.maxZIndex + 1;
      Windows.maxZIndex++;
      objOverlay.style.width = '100%';
      parent.insertBefore(objOverlay, parent.firstChild);
      if (Prototype.Browser.WebKit && id == "overlay_modal") {
        setTimeout(function() {doneHandler()}, 10);
      }
      else
        doneHandler();
    }    
  },
  
  setCookie: function(value, parameters) {
    document.cookie= parameters[0] + "=" + escape(value) +
      ((parameters[1]) ? "; expires=" + parameters[1].toGMTString() : "") +
      ((parameters[2]) ? "; path=" + parameters[2] : "") +
      ((parameters[3]) ? "; domain=" + parameters[3] : "") +
      ((parameters[4]) ? "; secure" : "");
  },

  getCookie: function(name) {
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1) {
      begin = dc.indexOf(prefix);
      if (begin != 0) return null;
    } else {
      begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1) {
      end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
  },
    
  _computeSize: function(content, id, width, height, margin, className) {
    var objBody = document.body;
    var tmpObj = document.createElement("div");
    tmpObj.setAttribute('id', id);
    tmpObj.className = className + "_content";

    if (height)
      t