[svg-developers] Can I move the viewbox when an arrow object is clicked?
Hi, all: I want to change my viewbox from the top coordinate of 0 to say 500 when the user clicks on an arrow. Then when the user clicks on the next arrow, I want to change my top coordinate of 500 to say 1000. So on and so forth. I don't want to pan the SVG. I want it to act like a link to the next section of the document. Can anyone tell me if this is possible and how I might do it? Thank you, Patricia - To unsubscribe send a message to: [EMAIL PROTECTED] -or- visit http://groups.yahoo.com/group/svg-developers and click edit my membership Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/svg-developers/ * To unsubscribe from this group, send an email to: [EMAIL PROTECTED] * Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
Re: [svg-developers] Re: Re: Expanding and collapsing sections of bargrap hs using SVG - Can it be done?
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Re: [svg-developers] svg with external javascript
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Hi, guygoye:
Does it have to be an external file? Also, I found that I needed to use
ecmascript to interact with SVG. I'm copying this line from my O'Reilly SVG
Essentials book:
You can write a program in ECMA Script (the European Computer Manufacturer's
Association standard version of what is commonly called JavaScript) to interact
with an SVG graphic. Interaction occurs when graphic objects respond to events.
Peter Thompson just solved a problem for me that shows / hides bargraphs. I'll
include the code here and you can use it as an example.
code below
///
svg
width= 100% height=100% viewBox=0 0 900 500
onload=init(evt)
xmlns=http://www.w3.org/2000/svg;
xmlns:xlink=http://www.w3.org/1999/xlink;
script type=text/ecmascript
![CDATA[
var offsetY = 50;
function init(evt)
{
refresh(svgDocument.getElementById(tasks) ,0);
}
function mouseClick(evt)
{
var obj=evt.target.getNextSibling();
if ((obj != null) (obj.nodeName==#text))
{
obj=obj.getNextSibling();
// alert(obj = + obj); // MODIFIED
if ((obj != null) (obj.nodeName==g))
{
var attr = obj.getAttribute(visibility);
if (attr == hidden)
{
obj.setAttribute(visibility, );
}
else
{
obj.setAttribute(visibility, hidden);
}
offsetY = 50; // MODIFIED
refresh(svgDocument.getElementById(tasks) ,0)
}
}
}
function refresh(objGroup, level)
{
var layer=objGroup.childNodes;
var num=layer.length;
for (var ix=0; ix num; ix++)
{
var obj=layer.item(ix);
if (obj.nodeName == rect)
{
offsetX = level * 40;
var transform = translate( + offsetX + + offsetY + );
obj.setAttribute(transform, transform);
offsetY = offsetY + 30;
}
else if (obj.nodeName == g)
{
if (obj.getAttribute(visibility) != hidden)
{
refresh(obj, level+1);
}
}
}
}
// ]]
/script
g id=tasks onclick=mouseClick(evt)
rect x=5 y=5 width=200 height=20 style=fill:blue/
rect x=5 y=5 width=200 height=20 style=fill:blue/
g
rect x=5 y=5 width=200 height=20 style=fill:blue/
rect x=5 y=5 width=200 height=20 style=fill:blue/
/g
rect x=5 y=5 width=200 height=20 style=fill:blue/
rect x=5 y=5 width=200 height=20 style=fill:blue/
rect x=5 y=5 width=200 height=20 style=fill:yellow/
g
rect x=5 y=5 width=200 height=20 style=fill:blue/
g
rect x=5 y=5 width=200 height=20 style=fill:blue/
g
rect x=5 y=5 width=200 height=20 style=fill:blue/
/g
/g
/g
rect x=5 y=5 width=200 height=20 style=fill:blue/
rect x=5 y=5 width=200 height=20 style=fill:red/
/g
/svg
guygoye [EMAIL PROTECTED] wrote:
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hello!!
i'm trying to command a svg with an external javascript. is ti
possible? if yes tell me how do it because a beginner !!!
thank you
guygoye
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[svg-developers] Re: SVG bar graph -- PETER, YOU'RE A GENIUS!!!!
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This works and I thought I'd share it with the group. Peter, you really need
to join Experts Exchange. We need you!
How can I ever repay you?
Forever in your debt,
Patricia
Peter L Thompson [EMAIL PROTECTED] wrote:
Patricia,
I modified your code in three places. I highlighted the lines in red. If
the red doesn't show up then look for // MODIFIED comments.
I changed onfiltered= back to oninit=. That it made it work. I don't
know what your intention was with the onfiltered; I've never used it,
haven't looked at it and it may not be as simple as just changing it back
like I did. Then I commented out the alert, since that was not needed
anymore. Then I changed offsetY= in mouseClick(), since you modified it
where it initially set (otherwise the bars move when they first collapse).
The nested groups are, by definition, an object hierarchy. I would just
use this concept and take it is as far as it will go. imo, it is simple,
but powerful enough to do what you need (even though I really have no idea
what that it).
I only wrote this bit of code because I love playing with hierarchical
displays of data and I was curious to see how easy it was to do in SVG.
Just let me know if it works for you now.
Let me know if you have further questions. I can't promise as quick a
response.
Peter
--
width= 100% height=100% viewBox=0 0 900 500
onload=init(evt)
xmlns=http://www.w3.org/2000/svg;
xmlns:xlink=http://www.w3.org/1999/xlink;
var offsetY = 50;
function init(evt)
{
refresh(svgDocument.getElementById(tasks) ,0);
}
function mouseClick(evt)
{
var obj=evt.target.getNextSibling();
if ((obj != null) (obj.nodeName==#text))
{
obj=obj.getNextSibling();
// alert(obj = + obj); // MODIFIED
if ((obj != null) (obj.nodeName==g))
{
var attr = obj.getAttribute(visibility);
if (attr == hidden)
{
obj.setAttribute(visibility, );
}
else
{
obj.setAttribute(visibility, hidden);
}
offsetY = 50; // MODIFIED
refresh(svgDocument.getElementById(tasks) ,0)
}
}
}
function refresh(objGroup, level)
{
var layer=objGroup.childNodes;
var num=layer.length;
for (var ix=0; ix {
var obj=layer.item(ix);
if (obj.nodeName == rect)
{
offsetX = level * 40;
var transform = translate( + offsetX + + offsetY + );
obj.setAttribute(transform, transform);
offsetY = offsetY + 30;
}
else if (obj.nodeName == g)
{
if (obj.getAttribute(visibility) != hidden)
{
refresh(obj, level+1);
}
}
}
}
// ]]
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Re: [svg-developers] Re: Expanding and collapsing sections of bargrap hs using SVG - Can it be done?
Hi, Jérôme: Thank you for such a wonderful outline of the steps to create what I'm trying to do. I am trying to use yours and Peters to see the best or easiest way to implement my code. I'll definitely share with you my code when I get it working. But you and Peter have given me enough of a pointer that I will most likely be able to reach my unreasonable deadline. Again, thanks a bunch, Patricia Jérôme Tricand de la Goutte [EMAIL PROTECTED] wrote: Hi Patricia, I was planing to implement a tree view. So here is how I see it : - I would use a personnal namespace, let say tree - I would create my structure in my svg file as, for example tree:element id=myTree x=200 y=300 text x=0 y=0The text of the parent/text rect x=0 y=50 width=500 height=20 tree:element text x=0 y=0The text of the child1/text rect x=0 y=50 width=500 height=20 /tree:element tree:element text x=0 y=0The text of the child2/text rect x=0 y=50 width=500 height=20 tree:element text x=0 y=0The text of the underchild1/text rect x=0 y=50 width=500 height=20 /tree:element /tree:element /tree:element - at the onload event of my svg, I would run a function initTree() converting this structure in standard SVG element, with events and personnal attributes as g id=myText tree:index=0 transform=translate(200,300) tree:width=550 tree:height=100 rect x=-10 y=-10 fill=blue height=10 width=10 onclick=showhidechild(evt)/ text x=0 y=0The text of the parent/text rect x=0 y=50 width=500 height=20/ g tree:index=1 transform=translate(250,350) tree:width=550 tree:height=100 rect x=-10 y=-10 fill=blue height=10 width=10 onclick=showhidechild(evt)/ text x=0 y=0The text of the child1/text rect x=0 y=50 width=500 height=20/ /g g tree:index=1 transform=translate(250,400) tree:width=550 tree:height=100 rect x=-10 y=-10 fill=blue height=10 width=10 onclick=showhidechild(evt)/ text x=0 y=0The text of the child2/text rect x=0 y=50 width=500 height=20/ g tree:index=2 transform=translate(300,450) tree:width=550 tree:height=100 rect x=-10 y=-10 fill=blue height=10 width=10 onclick=showhidechild(evt)/ text x=0 y=0The text of the underchild1/text rect x=0 y=50 width=500 height=20/ /g /g tree:index represent the number of tabulation, ie the level in hierarchy of an element. tree:width is the width of the bounding box of an element with its childs tree:height if the height of the bounding bos of an element with its childs. Those two values are used by the function showhidechild to calculate the new translate of any nextsibling element when you show one element. For example, say you have the folowing structure: 1shown 2shown 3unshown 4shown 5shown 6shown 7shown 8 shown 9 shown 10 shonw and you want to show 3. You will have to translate 4, 5 and 8, ie the nextsibling element of 3, 2 and 1, ie the nextsibing element of every parent of the element you want to show and itself. You will have to add to the translate value of those elements (4, 5 and 8) the height of the element 3, then display 3 If you want to hide one element, you will have to remove the height of 3 of the translate value 4, 5 and 8. That said, you can imagine what initTree should do : read the tree:elements creatre the structure using g elements compute the height of any element hide all the child elements at first And showhidechild() should do get the element that needs to be expanded or reduce (A) get the size of A add or remove this size to the translate of any nextsibing of any parent of A show or hide the childs of A And this should work. If you want to add or remove an child, don't forget to compute the new size of any parent of this As you see, this shoud work for any type of child (text, graph, ... ) I hope it helps you. but I would be pleased to have you comments, if it works and so... Jérôme Patricia LaRue wrote: Hi, Doug: I responded to this earlier but as I read and learn more I am particularly interested in your comments. If I were to implement your version of the solution, can you give me an idea of how it would be done? Could it be done in a object/tree structure? Is it possible to set up objects for each task, set the attributes (including a text attribute), add the element as a parent or child element, and show/hide the child elements on click events? How did you do it? All I need is an idea, I'll do the research. Thanks a bunch, Patricia Doug Schepers [EMAIL PROTECTED] wrote: Sorry, Peter, yes, I
RE: [svg-developers] Re: Expanding and collapsing sections of bargrap hs using SVG - Can it be done?
Okay, let's try it differently:
Use ECMA script as the scripting language.
Patricia LaRue [EMAIL PROTECTED] wrote:
Oops! the code didn't show up, so here it is again:
from: script language=JavaScript or script
to: script type=text/ecmascript
Patricia LaRue [EMAIL PROTECTED] wrote:
Peter:
Wouldn't you know itas soon as I asked for help we solved the error
problem. I changed the following tag from:
script language=JavaScript
to:
script type=text/ecmascript
Now, I don't get any errors but the bars don't move. I'm trying to figure out
if it's supposed to work using the groups to provide the hierarchies, as you
said, or if I need to nest tree elements in blocks of code. If you have any
further pointers it would be greatly appreciated.
Thanks again,
Patricia
Patricia LaRue [EMAIL PROTECTED] wrote:
Hi, Peter:
I'm sorry to have to bother you about this. Perhaps you or someone else in the
group can help me get this working.
I've been working with this code since I received it yesterday and have tried
everything I know to do with it, icluding putting alert statements in various
places, but I still keep getting the following error whenever I click on the
red bar:
Microsoft JScript runtime error
Object expected
line: 1, column: 0
Any ideas of what might make this code work?
Thanks a bunch,
Patricia
Peter Thompson [EMAIL PROTECTED] wrote:
The following code displays a hierarchy of rectangles that can expand/collapse.
You can click on a rectangle with children to hide/show the children,
expanding and contracting the tree as required. The groups provide the
hierarchies. I've only run it in ASVG3.
?xml version=1.0?
svg xmlns=http://www.w3.org/2000/svg; width='100%' height='100%'
onload=init(evt)
g id=tasks onmousedown=mouseClick(evt)
rect x=5 y=5 width=200 height=20 style=fill:blue/
rect x=5 y=5 width=200 height=20 style=fill:blue/
g
rect x=5 y=5 width=200 height=20 style=fill:blue/
rect x=5 y=5 width=200 height=20 style=fill:blue/
/g
rect x=5 y=5 width=200 height=20 style=fill:blue/
rect x=5 y=5 width=200 height=20 style=fill:blue/
rect x=5 y=5 width=200 height=20 style=fill:yellow/
g
rect x=5 y=5 width=200 height=20 style=fill:blue/
g
rect x=5 y=5 width=200 height=20 style=fill:blue/
g
rect x=5 y=5 width=200 height=20 style=fill:blue/
/g
/g
/g
rect x=5 y=5 width=200 height=20 style=fill:blue/
rect x=5 y=5 width=200 height=20 style=fill:red/
/g
script
![CDATA[
var offsetY = 0;
function init(evt)
{
refresh(svgDocument.getElementById(tasks) ,0);
}
function mouseClick(evt)
{
var obj=evt.target.getNextSibling();
if ((obj != null) (obj.nodeName==#text)) {
obj=obj.getNextSibling();
if ((obj != null) (obj.nodeName==g)) {
var attr = obj.getAttribute(visibility);
if (attr == hidden){
obj.setAttribute(visibility, );
}
else{
obj.setAttribute(visibility, hidden);
}
offsetY = 0;
refresh(svgDocument.getElementById(tasks) ,0)
}
}
}
function refresh(objGroup, level)
{
var layer=objGroup.childNodes;
var num=layer.length;
for (var ix=0; ix num; ix++)
{
var obj=layer.item(ix);
if (obj.nodeName == rect) {
offsetX = level * 40;
var transform = translate( + offsetX + + offsetY + );
obj.setAttribute(transform, transform);
offsetY = offsetY + 30;
}
else if (obj.nodeName == g) {
if (obj.getAttribute(visibility) != hidden){
refresh(obj, level+1);
}
}
}
}
// ]]
/script
/svg
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RE: [svg-developers] Re: Expanding and collapsing sections of bargrap hs using SVG - Can it be done?
Hi, Peter, Doug, and Philip: Thank you so much for your time and input. I appreciate any assistance I can get. Doug, it may not be that tricky. While I'm not completely green to SVG, I've not gone far beyond drawing images and text and attaching hyperlinks to clickable elements. You said that you have seen (and done) similar things in SVG in the past. I am looking for someone with experience and a high level of confidece to point me in the correct direction. Peter: You're absolutely correct, I am building Gantt charts of tasks and subtasks. I apologize for not saying that initially. My tree structure exists in database tables. Currently, I'm simply looping through a linked list and drawing each element in the appropriate x,y place. I have NO idea how to creeate a tree structure in SVG or even if it can be done. Philip: While I have extensive experience with simple graphic techniques, I've never used glyphs before. Most of the elements in a gantt chart are fixed in length (i.e., triangle, diamond, circle) but bars are used to show task lengths from start to finish. Can I use glyphs to show elements of variable length? Mucho Thanks, guys. I look forward to hearing more from you on this topic. Patricia Doug Schepers [EMAIL PROTECTED] wrote:Sorry, Peter, yes, I should have been more clear. I have no problem with the expanding/contracting bargraph idea, though it doesn't seem that tricky to me. Unless I'm misunderstanding something, I've seen (and done) similar things in SVG in the past, and I don't recall any particular challenges. I was speaking out against the misuse of glyphs. Too be fair to Philip, though, it's not unheard of in the computing tradition. In the Dark Ages of Computing, many specialized fonts used shape glyphs, for circuit diagrams and maps and other non-text compositional elements, as a kind of old-school 'use' or 'symbol', in order to save memory on frequently-used shapes. There are large blocks of Unicode dedicated to this legacy, and I was told recently that certain industries still use this odd practice. Regards- Doug doug . schepers @ vectoreal.com www.vectoreal.com ...for scalable solutions. Peter Thompson wrote: | | Patricia - It sounds like you are displaying a Gantt chart. | I like Philip's first suggestion, perhaps because I haven't | used glyphs. I assume that you have a tree data structure | somewhere with the parent/child relationships between the | task/subtasks. I'd use that to build a corresponding tree in | SVG, then change visibility and the translate transform for | each expand/contract. | | Doug - Are you saying don't use the glyph idea or don't do | the expanding/contracting bargraph? | - To unsubscribe send a message to: [EMAIL PROTECTED] -or- visit http://groups.yahoo.com/group/svg-developers and click edit my membership Yahoo! Groups SponsorADVERTISEMENT - Yahoo! Groups Links To visit your group on the web, go to: http://groups.yahoo.com/group/svg-developers/ To unsubscribe from this group, send an email to: [EMAIL PROTECTED] Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. [Non-text portions of this message have been removed] Yahoo! Groups Sponsor ~-- $4.98 domain names from Yahoo!. Register anything. http://us.click.yahoo.com/Q7_YsB/neXJAA/yQLSAA/1U_rlB/TM ~- - To unsubscribe send a message to: [EMAIL PROTECTED] -or- visit http://groups.yahoo.com/group/svg-developers and click edit my membership Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/svg-developers/ * To unsubscribe from this group, send an email to: [EMAIL PROTECTED] * Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
[svg-developers] Expanding and collapsing sections of bargraphs using SVG - Can it be done?
Hi, all: Apparently, my subject line didn't contain enough information. Sorry about that. So, I've included my previous message here and more detail below. Okay, I'm ready to research and learn how to do this but I need an expert opinion on the best way to do this or if this can even be done. I have bargraphs of parent tasks and bargraphs of child tasks associated with the parent task bargraphs. My boss wants to have a +/- clickable image to show child task bargraphs when the + sign is clicked and hide child task bargaphs when the - sign is clicked, much like a tree structure only for bargraphs instead of text. I know I can set visibility to hidden but that will not remove the horizontal white space that will occur as a result of hiding the bargraphs. Thanks, again, for your time, Patricia [Non-text portions of this message have been removed] Yahoo! Groups Sponsor ~-- $9.95 domain names from Yahoo!. Register anything. http://us.click.yahoo.com/J8kdrA/y20IAA/yQLSAA/1U_rlB/TM ~- - To unsubscribe send a message to: [EMAIL PROTECTED] -or- visit http://groups.yahoo.com/group/svg-developers and click edit my membership Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/svg-developers/ * To unsubscribe from this group, send an email to: [EMAIL PROTECTED] * Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
[svg-developers] Setting elements hidden / visible?
Hi, all: I need to make a plus (+) sign that when clicked the child nodes will expand and become visible. Also make the plus (+) sign display as a minus (-) sign. Is there a way to do this? Thank you, Patricia [Non-text portions of this message have been removed] Yahoo! Groups Sponsor ~-- Make a clean sweep of pop-up ads. Yahoo! Companion Toolbar. Now with Pop-Up Blocker. Get it for free! http://us.click.yahoo.com/L5YrjA/eSIIAA/yQLSAA/1U_rlB/TM ~- - To unsubscribe send a message to: [EMAIL PROTECTED] -or- visit http://groups.yahoo.com/group/svg-developers and click edit my membership Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/svg-developers/ * To unsubscribe from this group, send an email to: [EMAIL PROTECTED] * Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
