Question

Qn for lil_puffball

Asked by: yuvarajr

Hi lil_puffball
You've answered my previous qn http://experts-exchange.com/Web/Web_Languages/JavaScript/Q_20951696.html. In that you told me that in case if i need to use frames, i can put all those buttons in the html of top frame and then i need to replace all document. with parent.bottomframe.document. . But the code does not work b'cos it could not set the x and y cursor position in the bottom frame. I am not allowed to modify the html in the bottom frame. Can you please help me to make the buttons work properly without modifying the html in bottom frame?..

Thanks in advance

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Asked On: 2004-05-18 at 15:08:19ID20993966
Tags: javascript
Topic: JavaScript
Participating Experts: 1
Points: 125
Comments: 16

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Answers

by: lil_puffballPosted on 2004-05-18 at 15:27:16ID: 11102957

Hi yuvarajr,

Why can you not modify the code in the bottom frame? If it is not on your server, you can't do anything to the page at all.

If it is on your server, then can you post the code for both frames here? It's a lot easier debugging with some code. ;)

by: yuvarajrPosted on 2004-05-18 at 18:50:52ID: 11103965

Hi lil_puffball,
The html file which i need to show on the bottom frame is on the server. So i can very well access the file. If modifying the file is the only way out, is there any way that we can modify the file just before showing it in the bottom frame and not save the actual file?.

Here is the sample code.

Code for frameset.html

<HTML>
      <frameset rows="20%,80%" frameborder="1" id="frameMain">
            <frame id="frameTop" src="Buttons.html" width="600">
            <frame id="frameBottom" src="Testing.htm" width="600">
      </frameset>
</HTML>

Code for top frame:(i'm pasting the entire solution which you gave before - i've replaced the document. with parent.frameBottom.document)

<html>
<style>button{width:200px;}</style>

<script>
var clr='yellow';
var offset=2,lineHgt;
var hiliText=new Array();
var hiliLoc=new Array();
var hiliDiv=new Array();
var bkmkText=new Array();
var bkmkLoc=new Array();
var bkmkDiv=new Array();
var x,y,cursorX=null,cursorY=null;

function initHiliBkmk(){
var sel=parent.frameBottom.document.body.createTextRange(),loc;
clearHili(false);
sel.moveToElementText(parent.frameBottom.document.getElementById("content"));sel.collapse();
var curSel;
for(i=0;i<hiliLoc.length;i++){
loc=hiliLoc[i].split("-");
curSel=sel.duplicate();
curSel.moveEnd("character",loc[1]);curSel.moveStart("character",loc[0]);
if(curSel.text!=""){hili(curSel,false);}
}
for(i=0;i<bkmkLoc.length;i++){
curSel=sel.duplicate();
curSel.move("character",
bkmkLoc[i]);
if(arguments.length>0){
var img=parent.frameBottom.document.createElement("div");
img.id="bookmark"+i;
img.style.position="absolute";
img.style.top=cursorY;img.style.left=cursorX;
img.innerHTML="<img src='bookmark.gif' title='"+bkmkText[i]+"' height=15 unselectable=on>";
img.unselectable="on";
img.onmousedown=function(){startDrag(this);}
parent.frameBottom.document.body.appendChild(img);
}
bkmkDiv[i].style.left=curSel.boundingLeft-offset;
bkmkDiv[i].style.top=curSel.boundingTop-offset;
}
}
function hili(sel){
if(sel.text==""){alert("Please select some text first!");return;}
if(sel.boundingHeight>lineHgt){
createHili(sel.boundingTop-offset,sel.offsetLeft-offset,sel.boundingWidth-sel.offsetLeft+sel.boundingLeft,lineHgt,clr);
for(i=1;i<parseInt(sel.boundingHeight/lineHgt)-1;i++){
createHili(sel.boundingTop-offset+lineHgt*i,sel.boundingLeft-offset,sel.boundingWidth,lineHgt,clr);
}
var newsel=sel.duplicate();
while(sel.inRange(newsel)){
newsel.moveStart("character");
}newsel.moveStart("character",-1);
createHili(newsel.boundingTop-offset,sel.boundingLeft-offset,newsel.boundingLeft-sel.boundingLeft,lineHgt,clr);
}else{
createHili(sel.boundingTop-offset,sel.boundingLeft-offset,sel.boundingWidth,sel.boundingHeight,clr);
}
if(arguments.length==1){storeHili(sel);}
}
function storeHili(sel){
hiliText[hiliText.length]=sel.text;
var tempSel=sel.duplicate(),tempSel2=sel.duplicate();
tempSel.collapse();tempSel2.collapse(false);
hiliLoc[hiliLoc.length]=getCursorPos(tempSel)+"-"+getCursorPos(tempSel2);
}
function createHili(t,l,w,h,clr){
var div=parent.frameBottom.document.createElement("div");
div.style.height=h;div.style.width=w;
div.style.left=l;div.style.top=t;
div.style.position="absolute";div.style.fontSize="0px";div.style.backgroundColor=clr;div.innerHTML="&nbsp";div.style.zIndex=-1;
parent.frameBottom.document.body.appendChild(div);
hiliDiv[hiliDiv.length]=div;
}
function clearHili(){
for(i=0;i<hiliDiv.length;i++){
hiliDiv[i].parentNode.removeChild(hiliDiv[i]);
}
if(arguments.length==0){hiliText.length=0;hiliLoc.length=0;hiliDiv.length=0;}
}
function clearBookmarks(){
for(i=0;i<bkmkDiv.length;i++){
bkmkDiv[i].parentNode.removeChild(bkmkDiv[i]);
}
bkmkText.length=0;bkmkLoc.length=0;bkmkDiv.length=0;
}
function insertBookmark(){
if(!cursorX){alert("Please click somewhere first.");return;}
var text=prompt("Enter the text:","Bookmark "+(bkmkDiv.length+1));
if(!text){return;}
var img=parent.frameBottom.document.createElement("div");
img.id="bookmark"+bkmkDiv.length;
img.style.position="absolute";
img.style.top=cursorY;
img.style.left=cursorX;
img.innerHTML="<img src='bookmark.gif' title='"+text+"' height=15 unselectable=on>";
img.unselectable="on";
img.onmousedown=function(){startDrag(this);}
parent.frameBottom.document.body.appendChild(img);
bkmkDiv[bkmkDiv.length]=img;
bkmkText[bkmkText.length]=text;
snapToText(img,bkmkLoc.length);
}
var offL,offT,drag=false,obj;
function startDrag(srcEl){obj=srcEl;offL=x-getLeft(obj);offT=y-getTop(obj);drag=true;}
function dragObj(){obj.style.left=x-offL;obj.style.top=y-offT;}
function getLeft(obj){return parseInt(obj.style.left);}
function getTop(obj){return parseInt(obj.style.top);}
function init(){
var div=parent.frameBottom.document.createElement("div");
div.innerHTML="1";
parent.frameBottom.document.body.appendChild(div);
lineHgt=div.offsetHeight;
div.parentNode.removeChild(div);
}
function getCursorPos(sel){
var pos=parent.frameBottom.document.body.createTextRange();
pos.moveToElementText(parent.frameBottom.document.getElementById("content"));
pos.collapse();var cnt=0;
while(!sel.inRange(pos)){
pos.move("character");cnt++;}
return cnt;
}
function snapToText(img,n){
var start=parent.frameBottom.document.body.createTextRange();
start.moveToElementText(parent.frameBottom.document.getElementById("content"));
var end=start.duplicate();start.collapse();end.collapse(false);var newsel=start.duplicate();
var cnt=0,pos=0,l=parseInt(img.style.left),t=parseInt(img.style.top);
var dif=Math.abs(l-start.boundingLeft)+Math.abs(t-start.boundingTop),thisDif;
while(!end.inRange(start)){
start.move("character");cnt++;
thisDif=Math.abs(l-start.boundingLeft)+Math.abs(t-start.boundingTop);
if(thisDif<dif){pos=cnt;dif=thisDif;}
}
newsel.move("character",
pos);
img.style.left=newsel.boundingLeft-offset;
img.style.top=newsel.boundingTop-offset;
bkmkLoc[n]=getCursorPos(newsel);
}
</script>

<body onload="init();"onresize="initHiliBkmk();" onmousemove="x=event.x;y=event.y;if(drag){dragObj();}" onmouseup="if(drag){drag=false;snapToText(obj,obj.id.charAt(obj.id.length-1));}">

<button onclick="hili(parent.frameBottom.document.selection.createRange());">Hilight Text</button>
<button onclick="clearHili();">Clear All Highlights</button>
<button onclick="alert(hiliText.join('\n---------------\n'));">Get Highlight Text</button>
<button onclick="alert(hiliLoc.join('\n---------------\n'));">Get Highlight Positions</button>
<br>
<button onclick="insertBookmark();">Insert Bookmark</button>
<button onclick="clearBookmarks();">Clear All Bookmarks</button>
<button onclick="alert(bkmkText.join('\n---------------\n'));">Get Bookmark Text</button>
<button onclick="alert(bkmkLoc.join('\n---------------\n'));">Get Bookmark Positions</button>

<div id=content onclick="cursorX=x;cursorY=y;">
Here is some text... Here is some text... Here is some text... Here is some text... Here is some text...
Here is some text... Here is some text... Here is some text... Here is some text... Here is some text...
Here is some text... Here is some text... Here is some text... Here is some text... Here is some text...
Here is some text... Here is some text... Here is some text... Here is some text... Here is some text...
Here is some text... Here is some text... Here is some text... Here is some text... Here is some text...
Here is some text... Here is some text... Here is some text... Here is some text... Here is some text...
</div>
</body>
</html>

HTML for bottom frame:

<html xmlns:o="urn:schemas-microsoft-com:office:office"
xmlns:w="urn:schemas-microsoft-com:office:word"
xmlns="http://www.w3.org/TR/REC-html40">

<head>
<meta http-equiv=Content-Type content="text/html; charset=windows-1252">
<meta name=ProgId content=Word.Document>
<meta name=Generator content="Microsoft Word 9">
<meta name=Originator content="Microsoft Word 9">
<link rel=File-List href="./testing_files/filelist.xml">
<title>testing</title>

<style>

</style>
</head>

<body lang=EN-US style='tab-interval:.5in'>

<div class=Section1>

<p class=MsoNormal>testing</p>

</div>

</body>

</html>

Thanks.

by: yuvarajrPosted on 2004-05-19 at 10:56:53ID: 11110388

Hi lil_puffball,
i've tried using the include statement to include the bottomframe html inside the main asp page where i've this javascript code. like  and it works. This allows me to add bookmark without modifying the html.
Thanks.

by: lil_puffballPosted on 2004-05-19 at 12:53:21ID: 11111463

So you solved it yourself then? If so, you can post a question in Community Support to get your points refunded.

by: yuvarajrPosted on 2004-05-19 at 13:43:16ID: 11111901

Hi lil_puffball,
Sorry to bug you again..Can you please tell me your idea of doing this?.

Thanks again.

by: yuvarajrPosted on 2004-05-19 at 13:53:57ID: 11111972

Actually i've used ASP include syntax in that sample.. It takes some time to add bookmark after clicking on Add Bookmark button. I am not sure why. Can you please tell me is there any other way to do that using frames?

by: lil_puffballPosted on 2004-05-19 at 14:09:33ID: 11112106

Sure. :) I'm rather busy right now but I will work on it later...

by: lil_puffballPosted on 2004-06-16 at 10:45:19ID: 11326950

I have no objections, although yuvarajr if you still need a solution I will probably be able to provide one in a week or so. This is actually the first time I've checked on EE in 3 weeks, since I've been preoccupied with my year-end projects and exams. I will be completely free by next wednesday though. My apologies for not replying sooner.

by: yuvarajrPosted on 2004-06-16 at 15:07:07ID: 11329432

Thx lil_puffball..i'd rather wait to have your solution than closing it now.

Moderator,
Can you pls not close this question?. I want this to be open.
Thanks.

by: lil_puffballPosted on 2004-07-04 at 08:42:23ID: 11468100

yuvarajr,

Sorry about the delay once again, I am now working on it. :)

by: lil_puffballPosted on 2004-07-04 at 08:56:56ID: 11468168

Ok, I just looked at the code, and I've found some problems that I'll fix. First off, though--I currently have the text placed in a div (with id="content"). So I'm not sure if you will keep that div in the bottom frame. Seems to me like everything in the bottom frame will be text that can be highlighted, is that right? Please let me know if I misunderstood, meanwhile I'll just code assuming everything in the bottom frame will be text.

by: lil_puffballPosted on 2004-07-04 at 09:53:32ID: 11468373

Alright, try this code for the top frame:

===============================================
===============================================

<html>
<style>button{width:200px;}</style>

<script>
var clr='yellow';
var offset=2,lineHgt;
var hiliText=new Array();
var hiliLoc=new Array();
var hiliDiv=new Array();
var bkmkText=new Array();
var bkmkLoc=new Array();
var bkmkDiv=new Array();
var x,y,cursorX=null,cursorY=null;

function initHiliBkmk(){
var sel=parent.frameBottom.document.body.createTextRange(),loc;
clearHili(false);
sel.collapse();
var curSel;
for(i=0;i<hiliLoc.length;i++){
loc=hiliLoc[i].split("-");
curSel=sel.duplicate();
curSel.moveEnd("character",loc[1]);curSel.moveStart("character",loc[0]);
if(curSel.text!=""){hili(curSel,false);}
}
for(i=0;i<bkmkLoc.length;i++){
curSel=sel.duplicate();
curSel.move("character",
bkmkLoc[i]);
if(arguments.length>0){
var img=parent.frameBottom.document.createElement("div");
img.id="bookmark"+i;
img.style.position="absolute";
img.style.top=cursorY;img.style.left=cursorX;
img.innerHTML="<img src='bookmark.gif' title='"+bkmkText[i]+"' height=15 unselectable=on>";
img.unselectable="on";
img.onmousedown=function(){startDrag(this);}
parent.frameBottom.document.body.appendChild(img);
}
bkmkDiv[i].style.left=curSel.boundingLeft-offset;
bkmkDiv[i].style.top=curSel.boundingTop-offset;
}
}
function hili(sel){
if(sel.text==""){alert("Please select some text first!");return;}
if(sel.boundingHeight>lineHgt){
createHili(sel.boundingTop-offset,sel.offsetLeft-offset,sel.boundingWidth-sel.offsetLeft+sel.boundingLeft,lineHgt,clr);
for(i=1;i<parseInt(sel.boundingHeight/lineHgt)-1;i++){
createHili(sel.boundingTop-offset+lineHgt*i,sel.boundingLeft-offset,sel.boundingWidth,lineHgt,clr);
}
var newsel=sel.duplicate();
while(sel.inRange(newsel)){
newsel.moveStart("character");
}newsel.moveStart("character",-1);
createHili(newsel.boundingTop-offset,sel.boundingLeft-offset,newsel.boundingLeft-sel.boundingLeft,lineHgt,clr);
}else{
createHili(sel.boundingTop-offset,sel.boundingLeft-offset,sel.boundingWidth,sel.boundingHeight,clr);
}
if(arguments.length==1){storeHili(sel);}
}
function storeHili(sel){
hiliText[hiliText.length]=sel.text;
var tempSel=sel.duplicate(),tempSel2=sel.duplicate();
tempSel.collapse();tempSel2.collapse(false);
hiliLoc[hiliLoc.length]=getCursorPos(tempSel)+"-"+getCursorPos(tempSel2);
}
function createHili(t,l,w,h,clr){
var div=parent.frameBottom.document.createElement("div");
div.style.height=h;div.style.width=w;
div.style.left=l;div.style.top=t;
div.style.position="absolute";div.style.fontSize="0px";div.style.backgroundColor=clr;div.innerHTML="&nbsp";div.style.zIndex=-1;
parent.frameBottom.document.body.appendChild(div);
hiliDiv[hiliDiv.length]=div;
}
function clearHili(){
for(i=0;i<hiliDiv.length;i++){
hiliDiv[i].parentNode.removeChild(hiliDiv[i]);
}
if(arguments.length==0){hiliText.length=0;hiliLoc.length=0;hiliDiv.length=0;}
}
function clearBookmarks(){
for(i=0;i<bkmkDiv.length;i++){
bkmkDiv[i].parentNode.removeChild(bkmkDiv[i]);
}
bkmkText.length=0;bkmkLoc.length=0;bkmkDiv.length=0;
}
function insertBookmark(){
if(!cursorX){alert("Please click somewhere first.");return;}
var text=prompt("Enter the text:","Bookmark "+(bkmkDiv.length+1));
if(!text){return;}
var img=parent.frameBottom.document.createElement("div");
img.id="bookmark"+bkmkDiv.length;
img.style.position="absolute";
img.style.top=cursorY;
img.style.left=cursorX;
img.innerHTML="<img src='bookmark.gif' title='"+text+"' height=15 unselectable=on>";
img.unselectable="on";
img.onmousedown=function(){startDrag(this);}
parent.frameBottom.document.body.appendChild(img);
bkmkDiv[bkmkDiv.length]=img;
bkmkText[bkmkText.length]=text;
snapToText(img,bkmkLoc.length);
}
var offL,offT,drag=false,obj;
function startDrag(srcEl){obj=srcEl;offL=x-getLeft(obj);offT=y-getTop(obj);drag=true;}
function dragObj(){obj.style.left=x-offL;obj.style.top=y-offT;}
function getLeft(obj){return parseInt(obj.style.left);}
function getTop(obj){return parseInt(obj.style.top);}
function init(){
var div=parent.frameBottom.document.createElement("div");
div.innerHTML="1";
parent.frameBottom.document.body.appendChild(div);
lineHgt=div.offsetHeight;
div.parentNode.removeChild(div);

var fr=parent.frameBottom.document;
fr.onmousemove=new Function("x=parent.frameBottom.event.x;y=parent.frameBottom.event.y;if(drag){dragObj();}");
fr.onmouseup=new Function("if(drag){drag=false;snapToText(obj,obj.id.charAt(obj.id.length-1));}");
fr.onclick=new Function("cursorX=x;cursorY=y;");
}
function getCursorPos(sel){
var pos=parent.frameBottom.document.body.createTextRange();
pos.collapse();var cnt=0;
while(!sel.inRange(pos)){
pos.move("character");cnt++;}
return cnt;
}
function snapToText(img,n){
var start=parent.frameBottom.document.body.createTextRange();
var end=start.duplicate();start.collapse();end.collapse(false);var newsel=start.duplicate();
var cnt=0,pos=0,l=parseInt(img.style.left),t=parseInt(img.style.top);
var dif=Math.abs(l-start.boundingLeft)+Math.abs(t-start.boundingTop),thisDif;
while(!end.inRange(start)){
start.move("character");cnt++;
thisDif=Math.abs(l-start.boundingLeft)+Math.abs(t-start.boundingTop);
if(thisDif<dif){pos=cnt;dif=thisDif;}
}
newsel.move("character",pos);
img.style.left=newsel.boundingLeft-offset;
img.style.top=newsel.boundingTop-offset;
bkmkLoc[n]=getCursorPos(newsel);
}
</script>

<body onload="init();" onresize="initHiliBkmk();">

<button onclick="hili(parent.frameBottom.document.selection.createRange());">Hilight Text</button>
<button onclick="clearHili();">Clear All Highlights</button>
<button onclick="alert(hiliText.join('\n---------------\n'));">Get Highlight Text</button>
<button onclick="alert(hiliLoc.join('\n---------------\n'));">Get Highlight Positions</button>
<br>
<button onclick="insertBookmark();">Insert Bookmark</button>
<button onclick="clearBookmarks();">Clear All Bookmarks</button>
<button onclick="alert(bkmkText.join('\n---------------\n'));">Get Bookmark Text</button>
<button onclick="alert(bkmkLoc.join('\n---------------\n'));">Get Bookmark Positions</button>

</body>
</html>

20120131-EE-VQP-002

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