iframe.js

数据仓库建设参考

/* Copyright (C) 1996-2002 MicroStrategy Incorporated, All rights reserved. Confidential. */

var bIsPromptedReport = false;
var bLoaded = false;
var treeProcessing = false;

function notifyParent() {
    if (window.parent)
        if (window.parent != self)
            if (window.parent.showWaitPage)
                window.parent.showWaitPage();
    return;
}

function showWaitPage() {
    //Don't display 'Wait' window when prompts are displayed.
    //currentPin will be set to at least 1 when prompts are loaded.
    //Therefore, if it's -1, then it means prompts haven't been loaded yet.
    if (currentPin == -1) {
    	bLoaded = true;
    	var oWait = getObj('divWaitBox');
    	if (oWait) {
        	var x = ((getClientWidth() - getObjWidth(oWait)) / 2)
        	var y = (((getClientHeight() - getObjHeight(oWait)) / 2) + document.body.scrollTop)
        	moveObjTo(oWait, x, y);
        	togglePulldowns(oWait, false, x, y);
        	showObj(oWait);
    	}
    }
    return;
}

function hideWaitPage() {
    var oWait = getObj('divWaitBox');
    if (oWait) {
        togglePulldowns('', true, 0, 0);
        hideObj(oWait);
        togglePulldowns('', true, 0, 0);
        //writeToDiv('hello', 'divWait');
        //writeToDiv('', 'divWaitForms');
        if (treeProcessing) {
            removeTreeWaitMessage();
        }
    }
    return;
}

function replaceComponents(parentWindow, iframeWindow) {
//*********************************************************************************************
//Purpose: replaces all elements between the iframe and the parent window.
//Inputs:  parentWindow, iframeWindow
//Outputs: None.
//*********************************************************************************************

  if(iframeWindow != parentWindow) {

      var aIFrameDivs = iframeWindow.getObjectsbyTag("DIV");
      var aIFrameForms = iframeWindow.getObjectsbyTag("FORM");
      var aIFrameComments = iframeWindow.getObjectsbyTag("COMMENT");
      var aScripts = null;
      var i, sHTML, parent, current;

      for (i = 0; i < aIFrameComments.length; i++) {
        if (aIFrameComments[i].getAttribute("IFRAME") == 'true') {
            current = aIFrameComments[i]
            while((parent = current.parentNode) != null) {
            	if(parent.tagName == "DIV" && parent.getAttribute("IFRAME") == 'true') {
            	    parent.setAttribute('IFRAME', 'false');
            	}
            	current = parent;
            }
	}
      }

      for (i = 0; i < aIFrameDivs.length; i++) {
        if (aIFrameDivs[i].getAttribute("IFRAME") == 'true') {
            current = aIFrameDivs[i]
            while((parent = current.parentNode) != null) {
            	if(parent.tagName == "DIV" && parent.getAttribute("IFRAME") == 'true') {
            	    parent.setAttribute('IFRAME', 'false');
            	}
            	current = parent;
            }
	}
      }

      for (i = 0; i < aIFrameComments.length; i++) {
        if ((aIFrameComments[i].getAttribute("IFRAME") == 'true') && (aIFrameComments[i].getAttribute("ISEMPTY") != 'true')) {
          sHTML = aIFrameComments[i].text;
          sHTML = sHTML.substring(4, sHTML.length - 3);
          sHTML = sHTML.replace(/'/g, "\'");
          parentWindow.updateComponent(aIFrameComments[i].getAttribute("ID"), sHTML);
        }
      }

      for (i = 0; i < aIFrameDivs.length; i++) {
        if ((aIFrameDivs[i].getAttribute("IFRAME") == 'true') && (aIFrameDivs[i].getAttribute("ISEMPTY") != 'true')) {
          sHTML = aIFrameDivs[i].outerHTML;
          sHTML = sHTML.replace(/'/g, "\'");
          parentWindow.updateComponent(aIFrameDivs[i].getAttribute("ID"), sHTML);
        }
      }

      for (i = 0; i < aIFrameForms.length; i++) {

        if ((aIFrameForms[i].getAttribute("IFRAME") == 'true') && (aIFrameForms[i].getAttribute("clearTarget") == 'true')) {

            var oParentWindowForm = window.parent.getObj(aIFrameForms[i].name);

            if (oParentWindowForm){
                if (oParentWindowForm.getAttribute("target") != null){
                    oParentWindowForm.removeAttribute("target");
                }

                var aInputs = oParentWindowForm.getElementsByTagName('INPUT');
                for(i = 0; i < aInputs.length; i++) {
                    if(aInputs[i].name == "iframe"){
                        aInputs[i].value = "false";
                    }
                }
            }

        }

      }
  }

}

function updateComponent(sComponentID, sNewHTML) {
//*********************************************************************************************
//Purpose: replaces components in parent window.
//Inputs:
//Outputs: None.
//*********************************************************************************************

  var aScripts = null;
  var j;
  var oParentDiv = getObj(sComponentID);

  if (oParentDiv && oParentDiv.tagName == "DIV") {
    oParentDiv.outerHTML = sNewHTML;
    oParentDiv = getObj(sComponentID);
    if(oParentDiv.getElementsByTagName("SCRIPT")) {
        aScripts = oParentDiv.getElementsByTagName("SCRIPT");
        if ((aScripts) && (aScripts.length > 0)) {
          for (j = 0; j < aScripts.length; j++) {
            if (aScripts[j].getAttribute("language") != "VBSCRIPT" && aScripts[j].getAttribute("id") == "") {
              eval(aScripts[j].innerHTML);
            }
          }
        }
    }
  }

}

function updateMainWindow(iframeWindow, title) {
//*********************************************************************************************
//Purpose: replaces components in parent window.
//Inputs:
//Outputs: None.
//*********************************************************************************************
    if(window.name == "frameManager") {
        replaceComponents(window.parent, iframeWindow);
        window.parent.hideWaitPage();
        window.parent.document.title = title;
    }
}