window.js

本系统内置的测评模块可以根据学生的学习成绩以及往日的综合表现对学生的综合素质分进行自动评分操作

    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)
      tmpObj.style.height = height + "px"
    else
      tmpObj.style.width = width + "px"
  
    tmpObj.style.position = 'absolute';
    tmpObj.style.top = '0';
    tmpObj.style.left = '0';
    tmpObj.style.display = 'none';

    tmpObj.innerHTML = content;
    objBody.insertBefore(tmpObj, objBody.firstChild);

    var size;
    if (height)
      size = $(tmpObj).getDimensions().width + margin;
    else
      size = $(tmpObj).getDimensions().height + margin;
    objBody.removeChild(tmpObj);
    return size;
  }  
}