IE7 and window.location not working?

[camer]

Hi,

In a script used by svg, I have a like like the following to go to a new web page:

parent.location.href = newUrl;

This works fine in IE6. However, it has no effect in ie7 (not even a error message, or security message) It just does nothing. (I tried window.location=, window.assign(newUrl), parent.location= .... none of it works, and I don't get an error message)

Where is there information on this? Could anybody advice me anything? Any workaround?

Thanks MR

[camer]

I would like to add my code , maybe somebody could be so nice and advice me anything.

I would like to add that the value of 'window.top.location.href is not getting
overwritten with the value newHref.
Does anybody think that I am doing two the same things that are ind the conflict?

Thanks in advance

<?xml version="1.0" encoding="iso-8859-1"?>
<!-- Following is the DTD emitted by various Adobe products. -->
<!-- !DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20000303 Stylable//EN"
   "http://www.w3.org/TR/2000/03/WD-SVG-20000303/DTD/
   svg-20000303-stylable.dtd" -->
<svg id="svg" zoomAndPan="disable" width="700">
 
    <style type="text/css">
        <![CDATA[
            /* In XML you must use a CDATA tag to delimit style content. */
 
            .box {
                stroke : black;
                stroke-width : 2;
            }
 
            .border {
                fill : lightgreen;
                visibility : hidden;
            }
 
            text {
                pointer-events : none;
            }
 
            line {
                stroke : black;
                stroke-width : 2;
            }
        ]]>
    </style>
 
    <script><![CDATA[
 
               var minX;
               var minY;
               var maxX;
               var maxY;
 
           var RELATED_ENTITY_X       = 380;
           var RELATED_ENTITY_HEIGHT  = 50;
           var RELATED_ENTITY_GAP     = 20;
           var RELATED_ENTITY_WIDTH   = 200;
           var FONT_SIZE              = 15;
           var RELATED_ENTITY_SPACING = RELATED_ENTITY_HEIGHT + RELATED_ENTITY_GAP;
 
           var CIRCLE_RADIUS          = 5;
           var CROWS_FOOT_OFFSET      = 7;
 
           //draw cardinality symbols this proportion from ends of lines
           var OPTIONALITY_POINT      = 0.10;
           var MULTIPLICITY_POINT     = 0.05;
 
           var STROKE_WIDTH_COMPENSATION = 15;
 
           function displayDescription(entityName){
            var loc = decodeURI(location + "");
            if (loc.substr(0, 8) == "file:///") {                
                loc = loc.substr(8);
                loc = loc.substr(0, loc.lastIndexOf("/")+1);
                loc = top.GetAbsolutePathName(loc + "EntityDescription.html");
                if (!top.FileExists(loc)) alert("returning");    // rather than risk IE crashing in XP SP2
                }
            alert("loc::"+loc + "?" + entityName);
            //alert("DDParent::" + "file:///" +loc + "?" + entityName);
            //parent.chgUrl(loc + "?" + entityName);
            //window.location.href = loc + "?" + entityName;
            var newHref = "file:///" + loc; 
            alert("newHref::"+newHref);
            // + "?" + entityName;
            alert("location.href::"+location.href);
            alert("parent.location.href::"+parent.location.href);
            alert("parent.parent.location.href::"+parent.parent.location.href);
            alert("There are " + parent.frames.length + "frames");
            alert("Setting href(" + parent.location.href+") to "+newHref);
 
              //href = loc;
              //parent.location.replace(loc);
              //alert("Parent href is now "+parent.location.href);
              //window.location.href = loc + "?" + entityName;
              //parent.parent.location.href = loc + "?" + entityName;
              alert("newHref with entityName::"+newHref+ "?" + entityName);
              //parent.parent.location.assign(newHref+ "?" + entityName);
              //location.href = newHref+ "?" + entityName;
              window.top.location.href = newHref+ "?" + entityName;
              alert("Before return::"+window.top.location.href);
              return newHref+ "?" + entityName;
 
           }
 
           function displayRelationships(entityName){
            var loc = decodeURI(location + "");
            if (loc.substr(0, 8) == "file:///") {
                loc = loc.substr(8);
                loc = loc.substr(0, loc.lastIndexOf("/")+1);
                loc = top.GetAbsolutePathName(loc + "EntityRelationships.html");
                if (!top.FileExists(loc)) return;    // rather than risk IE crashing in XP SP2
                }
            alert("DRParent::"+loc + "?" + entityName);
            //window.location.href = loc + "?" + entityName;
              //parent.parent.location.href = loc + "?" + entityName;
           }
 
           function createRelationships()
           {
 
                if (!checkViewerVersion(true)) {
                    return;
                }
 
               if (entity == null) {
                   return;
               }
 
            var numRelationships = relationships.length;
 
            var mainEntityText = svgDocument.getElementById("maintext");
            var mainEntityBox = svgDocument.getElementById("mainbox");
 
            var entityName = entity.getAttribute("name");
 
            mainEntityBox.setAttribute("fill",entity.getAttribute("color"));
 
            //position the main box so that its center is level with the middle of the related entities
            //- don't forget to ignore the gap after the last related entity!
 
            var mainEntityHeight  = Number(mainEntityBox.getAttribute("height"));
 
            var mainEntityTop = ((RELATED_ENTITY_SPACING * numRelationships) - RELATED_ENTITY_GAP - mainEntityHeight) / 2;
            mainEntityBox.setAttribute("y", mainEntityTop);
            mainEntityBox.setAttribute("onclick", "displayDescription('" + entityName + "');");
 
 
            mainEntityText.firstChild.nodeValue = entityName;
            mainEntityText.setAttribute("y",mainEntityTop + (mainEntityHeight + FONT_SIZE) / 2 );
            mainEntityText.setAttribute("font-size", FONT_SIZE);
 
 
 
            var mainEntityCenterX = Number(mainEntityBox.getAttribute("x")) + (Number(mainEntityBox.getAttribute("width"))/2);
            var mainEntityCenterY = Number(mainEntityBox.getAttribute("y")) + (Number(mainEntityHeight)/2);
 
            var mainEntityRightEdge = Number(mainEntityBox.getAttribute("x")) + Number(mainEntityBox.getAttribute("width"));
 
 
            var contents = svgDocument.getElementById("contents");
 
            maxX = mainEntityRightEdge;
            maxY = Number(mainEntityBox.getAttribute("y")) + Number(mainEntityBox.getAttribute("height"));
 
            var minLineTouchY = mainEntityTop;
            var maxLineTouchY = mainEntityTop + mainEntityHeight;
 
            var i;
            for(i = 0; i < numRelationships; i++){
                var relationship = relationships[i];
 
                var g=svgDocument.createElement("g");
                contents.appendChild(g);
 
                var x = RELATED_ENTITY_X;
                var y = RELATED_ENTITY_SPACING * i;
 
                //create the line
 
                var line=svgDocument.createElement("line");
                g.appendChild(line);
 
                //we draw the line towards the center of the main entity
 
                //identify the point where this line crosses the main entity's right edge
 
                var lineRelatedEntityY = y + RELATED_ENTITY_HEIGHT / 2;
                var lineMainEntityY = mainEntityCenterY + (lineRelatedEntityY - mainEntityCenterY) * (mainEntityRightEdge - mainEntityCenterX) / (x - mainEntityCenterX);
 
                if (lineMainEntityY < minLineTouchY) {minLineTouchY = lineMainEntityY;}
                if (lineMainEntityY > maxLineTouchY) {maxLineTouchY = lineMainEntityY;}
 
                line.setAttribute("x1",x);
                line.setAttribute("y1",lineRelatedEntityY); 
 
                line.setAttribute("x2",mainEntityRightEdge);
                line.setAttribute("y2",lineMainEntityY); 
 
                //draw cardinalities at the main entity end                
                drawCardinalities (g, x, lineRelatedEntityY, mainEntityRightEdge, lineMainEntityY, relationship.getAttribute("this.cardinality"));
 
                //draw cardinalities at the related entity end                
                drawCardinalities (g, mainEntityRightEdge, lineMainEntityY, x, lineRelatedEntityY, relationship.getAttribute("related.cardinality"));
 
                var relatedEntityName = relationship.getAttribute("related.name");
 
 
                //create a hyperlink (don't specify the target; just used to cause the mouse pointer to change)
                var a=svgDocument.createElement("a");
 
                g.appendChild(a);
 
                var rect=svgDocument.createElement("rect");
                a.appendChild(rect);
 
                rect.setAttribute("x",x);
                rect.setAttribute("y",y); 
                rect.setAttribute("height",RELATED_ENTITY_HEIGHT);
                rect.setAttribute("width",RELATED_ENTITY_WIDTH );
                rect.setAttribute("class","box");
 
                rect.setAttribute("fill",relationship.getAttribute("related.color"));
 
                rect.setAttribute("onclick","displayRelationships('" + relatedEntityName + "')");
 
                var rectMaxX = Number(rect.getAttribute("x")) + Number(rect.getAttribute("width"));
                var rectMaxY = Number(rect.getAttribute("y")) + Number(rect.getAttribute("height"));
 
                if (rectMaxX > maxX) {maxX = rectMaxX;}
                if (rectMaxY > maxY) {maxY = rectMaxY;}
 
                var text=svgDocument.createElement("text");
                a.appendChild(text);
 
                text.setAttribute("x",x + RELATED_ENTITY_WIDTH / 2);
 
                text.setAttribute("y",y + (RELATED_ENTITY_HEIGHT + FONT_SIZE) /2); 
                text.setAttribute("text-anchor","middle");
                text.setAttribute("font-size", FONT_SIZE);
 
                var textValue = svgDocument.createTextNode(relatedEntityName);
                text.appendChild(textValue);
 
 
            }
 
            //size the main entity to ensure that all lines touch
            mainEntityBox.setAttribute("y", minLineTouchY);
            mainEntityBox.setAttribute("height", maxLineTouchY - minLineTouchY);
 
            minY = 0;
            if (numRelationships == 0) {minY = minLineTouchY;}
            if (maxLineTouchY > maxY)  {maxY = maxLineTouchY;}
 
            //finally set the initial zoom so that the whole document is displayed
 
            var svg = svgDocument.getElementById("svg");
            svg.setAttribute("viewBox", 
                (0 - STROKE_WIDTH_COMPENSATION) + " " + 
                (minY - STROKE_WIDTH_COMPENSATION) + " " +
                (maxX + 2 * STROKE_WIDTH_COMPENSATION) + " " + 
                (maxY - minY + 2 * STROKE_WIDTH_COMPENSATION)
            );
 
           }
 
 

[camer]

The st does not allow for submitting long messages so I needed to split the code into parts. There is a next one.

 
           function drawCardinalities(g, x1, y1, x2, y2, cardinalityDesc) {
 
 
            var optional;
            var many;
 
            if (cardinalityDesc == "0..1") {
                optional = true;
                many = false;
            } else if (cardinalityDesc == "1..1") {
                optional = false;
                many = false;
            } else if (cardinalityDesc == "0..*") {
                optional = true;
                many = true;
            } else if (cardinalityDesc == "1..*") {
                optional = false;
                many = true;
            } else {
              //not recognized
              return;
            }
 
 
            //work out the point to draw lines near the entity
            var optx = (OPTIONALITY_POINT * x1) + ((1 - OPTIONALITY_POINT) * x2 );
            var opty = (OPTIONALITY_POINT * y1) + ((1 - OPTIONALITY_POINT) * y2 );
 
 
 
               if (optional) {
                   //draw a circle
 
                var circle=svgDocument.createElement("circle");
                g.appendChild(circle);
 
                circle.setAttribute("cx",optx);
                circle.setAttribute("cy",opty); 
                circle.setAttribute("r",CIRCLE_RADIUS); 
 
                circle.setAttribute("fill","white");
                circle.setAttribute("stroke","black");
                circle.setAttribute("stroke-width",3);
            } else {
 
                //work out length of the main line using Pythagorus
 
                var mainline_length = Math.sqrt(Math.pow(x2 - x1, 2) + Math.pow(y2 - y1, 2));
 
                //draw a bar perpendicular to the line
 
                var BAR_LENGTH = 5;
                var barx1 = optx + BAR_LENGTH * (y2 - y1) / mainline_length;
                var barx2 = optx - BAR_LENGTH * (y2 - y1) / mainline_length;
                var bary1 = opty - BAR_LENGTH * (x2 - x1) / mainline_length;
                var bary2 = opty + BAR_LENGTH * (x2 - x1) / mainline_length;
 
 
                var line=svgDocument.createElement("line");
                g.appendChild(line);
 
 
                line.setAttribute("x1",barx1);
                line.setAttribute("x2",barx2);
                line.setAttribute("y1",bary1);
                line.setAttribute("y2",bary2);
            }
 
            if (many) {
                //draw a crow's foot
 
                //work out the point to draw lines near the entity
                var multix = (MULTIPLICITY_POINT * x1) + ((1 - MULTIPLICITY_POINT) * x2 );
                var multiy = (MULTIPLICITY_POINT * y1) + ((1 - MULTIPLICITY_POINT) * y2 );
 
                var polyline=svgDocument.createElement("polyline");
                g.appendChild(polyline);
 
                var points = "";
                points += String(x2) + ", " + String(y2 + CROWS_FOOT_OFFSET) + " ";
                points += String(multix) + ", " + String(multiy)  + " ";
                points += String(x2) + ", " + String(y2 - CROWS_FOOT_OFFSET) + " ";
 
                polyline.setAttribute("points",points);
                polyline.setAttribute("stroke","black");
                polyline.setAttribute("stroke-width",2);
                polyline.setAttribute("fill","none");
 
            }
 
           }
           ]]>
 
            function checkViewerVersion(displayMessage) {
 
               var WRONG_ASV_VERSION = 'Please ensure you are using version 3.0 of the Adobe'
                   + ' SVG viewer. This viewer is available for download'
                   + ' from http://www.adobe.com/svg.';
 
               if (!window || !window.navigator || !window.navigator.appVersion
                   || window.navigator.appVersion.indexOf("3.0") == -1) {
                 if (displayMessage) {
                   alert(WRONG_ASV_VERSION);
                 }
                 return false;
               } else {
                 return true;
               }
            }           
    </script>
 
    <g id ="all">
        <!-- backdrop so events are picked up at every pixel -->
        <rect id = "backdrop" fill="white" width="700"/>
        <g id="contents" onload="createRelationships()">
            <a>
                <rect id="mainbox" x="0" y="100" height="300" width="200" class="box"/>
                <text id="maintext" x="100" y="100" text-anchor="middle"> </text>
            </a>
        </g>
    </g>
</svg>