[flexcoders] how to forbid pasting text into a textArea£¿

2005-09-20 Thread xiankevin2005
hi all,
   i forgot this question right now..i have to force the user to type 
the text manually rather than using the paste command from the context 
menu,or merely pressing ctrl+v to paste the text that in the clip 
board.is it possible?
   any prompt would be appreciated..
   thanks!
   
kevin




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[flexcoders] 2 problems about textArea

2005-09-20 Thread xiankevin2005
hi all,
   there're 2 problem about textArea confused me..
   
   1:
   where set a html text for a textArea,then print the textArea.text 
property in the trace window,what is displaying is the same with the 
htmlText property. but sometimes,the result is correct without any html 
tags..why?
2:
can i set the caretIndex at will?





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[flexcoders] problem about Text or TextArea

2005-09-16 Thread xiankevin2005
hi all,
the problem i'm facing is that i need to use an editable text field 
with the ability adjusting its height like the Text control.
is it possible?how to make the Text control editable or to make the 
TextArea control adjust its height to fit the content?

thanks!
kevin
   




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[flexcoders] about synchronization in retrieving data by using a httpservice

2005-09-10 Thread xiankevin2005
hi all,
   in my app,i need to retrieve data from different tables in the 
database and i have to divide the process into several steps.i send 
each request till the result of the previous step is received.but i 
think there're some problem due to synchronization all the same...
i traced the result of each request.and i found some repeated results..
any help would be appreciated!

thanks.

kevin






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[flexcoders] Re: 3 problems about datagrid ...

2005-09-09 Thread xiankevin2005
thanks for your prompt.
but i think there must be something wrong with my code and the 
event cellClick cannot be caught by the listener.

when using 
  myGrid.addEventListener(cellClick, this);
or
  mx:DataGrid cellClick=trace('cell was clicked')/
what i can see on the sreen is the following:
Unknown attribute 'cellClick' on mx.controls.DataGrid

here attaches my CheckCellRenderer.as.

import mx.core.UIComponent;
import mx.controls.CheckBox;

[Event(cellClick)]
class CheckCellRenderer extends UIComponent
{

var check : MovieClip;
var listOwner : MovieClip;
var getCellIndex : Function;
var getDataLabel : Function;

function CheckCellRenderer()
{
}

function createChildren(Void) : Void
{
check = createClassObject(CheckBox, check, 1, 
{styleName:this, owner:this});
check.addEventListener(click, this);
size();
}

function size(Void) : Void
{
check.setSize(20, layoutHeight);
check._x = (layoutWidth-20)/2;
check._y = (layoutHeight-16)/2;
}

function setValue(str:String, item:Object, sel:Boolean) : 
Void
{
check._visible = (item!=undefined);
check.selected = item[getDataLabel()];
}

function getPreferredHeight(Void) : Number
{
return 16;
}

function getPreferredWidth(Void) : Number
{
return 20;
}

function click()
{
var currentIndex:Number = getCellIndex().itemIndex;
listOwner.dataProvider.editField(getCellIndex
().itemIndex, getDataLabel(), check.selected ? 1 : 0);
listOwner.dispatchEvent({type:cellClick, 
row:getCellIndex().itemIndex});
}
}



--- In flexcoders@yahoogroups.com, Dirk Eismann [EMAIL PROTECTED] 
wrote:
 You could make the CheckCellRenderer dispatch an event on the 
DataGrid,
 i.e. inside your CheckCellRenderer:
 
   mx:CheckBox click=listOwner.dispatchEvent({type: 'cellClick', 
row:
 getCellIndex().itemIndex}) /
 
 This will make the DataGrid dispatch a cellClick event. To listen 
to
 this event you'll need to add an event listener on the DataGrid
 
   myGrid.addEventListener(cellClick, this);
 
 The clicked row will be available in the event object passed to the
 cellClick function, e.g.
 
   function cellClick(event:Object):Void {
 mx.controls.Alert.show(Row clicked:  + event.row);
   }
 
 Dirk.
 
 
 -Original Message-
 From: flexcoders@yahoogroups.com 
[mailto:[EMAIL PROTECTED] On
 Behalf Of xiankevin2005
 Sent: Thursday, September 08, 2005 1:21 PM
 To: flexcoders@yahoogroups.com
 Subject: [flexcoders] Re: 3 problems about datagrid ...
 
 thanks for the reply...let me describe the problem i'm facing.
 assume that the dategrid is a song list with several pages and i 
use a
 CheckCellRenderer for a column.when user clicks the check box,the 
song
 will add to his play list and remove it for another click.
 i want to create a click handler in the mxml file,which functions to
 watch all the check boxes,and when one of them is clicked,i can get 
the
 number of the row.then append the selected song to the play list.
 
 i used to add some code in the click handler in
 CheckCellRenderer.as.like this:
 if(check.checked)
   listOwner._parent.addToPlayList(getCellIndex().itemIndex);
 else
   listOwner._parent.delFromPlayList(getCellIndex().itemIndex);
   
 it seems strange though can work properly...
 
 how can i do?
 
 
 about problem 3:
 to add a ... is just what i want.but how to implement this cell
 renderer?i've no idea...any prompt would be appreciated...
 
 thanks a lot.
 
 kevin
 
 
 
 
 
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[flexcoders] Re: 3 problems about datagrid ...

2005-09-09 Thread xiankevin2005
sorry for my neglect...
the way that using   myGrid.addEventListener(cellClick, this)  
works correctly.but it seems that i cannot use the event handler 
cellClick directly in the mx:DataGrid tag.
thank you very much!


--- In flexcoders@yahoogroups.com, Dirk Eismann [EMAIL PROTECTED] 
wrote:
 You could make the CheckCellRenderer dispatch an event on the 
DataGrid,
 i.e. inside your CheckCellRenderer:
 
   mx:CheckBox click=listOwner.dispatchEvent({type: 'cellClick', 
row:
 getCellIndex().itemIndex}) /
 
 This will make the DataGrid dispatch a cellClick event. To listen 
to
 this event you'll need to add an event listener on the DataGrid
 
   myGrid.addEventListener(cellClick, this);
 
 The clicked row will be available in the event object passed to the
 cellClick function, e.g.
 
   function cellClick(event:Object):Void {
 mx.controls.Alert.show(Row clicked:  + event.row);
   }
 
 Dirk.
 
 
 -Original Message-
 From: flexcoders@yahoogroups.com 
[mailto:[EMAIL PROTECTED] On
 Behalf Of xiankevin2005
 Sent: Thursday, September 08, 2005 1:21 PM
 To: flexcoders@yahoogroups.com
 Subject: [flexcoders] Re: 3 problems about datagrid ...
 
 thanks for the reply...let me describe the problem i'm facing.
 assume that the dategrid is a song list with several pages and i 
use a
 CheckCellRenderer for a column.when user clicks the check box,the 
song
 will add to his play list and remove it for another click.
 i want to create a click handler in the mxml file,which functions to
 watch all the check boxes,and when one of them is clicked,i can get 
the
 number of the row.then append the selected song to the play list.
 
 i used to add some code in the click handler in
 CheckCellRenderer.as.like this:
 if(check.checked)
   listOwner._parent.addToPlayList(getCellIndex().itemIndex);
 else
   listOwner._parent.delFromPlayList(getCellIndex().itemIndex);
   
 it seems strange though can work properly...
 
 how can i do?
 
 
 about problem 3:
 to add a ... is just what i want.but how to implement this cell
 renderer?i've no idea...any prompt would be appreciated...
 
 thanks a lot.
 
 kevin
 
 
 
 
 
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[flexcoders] Re: getting data from xml file

2005-09-08 Thread xiankevin2005
i think this would be fine:

mx:Repeater id=jobrepeat dataProvider={jobdata.job}
mx:Image source={jobrepeat.currentItem.imageid} 
x={jobrepeat.currentItem.xcordinate} 
y={jobrepeat.currentItem.ycordinate}
/mx:Image
/mx:Repeater

kevin

--- In flexcoders@yahoogroups.com, Prasad Dhananjaya [EMAIL PROTECTED] 
wrote:
 Hello,
 
 I hava a small problem with getting data from xml file.
 What I want to do is get the image data from xml file and display
 image on canves.
 When I'm trying to run this application, getting the following error
 Problem parsing external XML.
 
 And also I am not sure of writing varible(is this 
correct jobrepeat.jobs.job. ?).
 
 If somebody could help, I would appreciate it.
 
 Thanks,
 
 ---readxmlfile.mxml-
-
 ?xml version=1.0 encoding=utf-8?
 mx:Application  xmlns:mx=http://www.macromedia.com/2003/mxml; 
 
 mx:Model id=jobdata source=jobdata.xml/ 
 
 mx:Panel
   mx:Canvas width=100% height=100% backgroundColor=#F4FECF

 mx:Canvas  x=3 y=10  width=640 height=400 
backgroundColor=#D3EFFE
   mx:Repeater id=jobrepeat dataProvider={jobdata}
 mx:Image source={jobrepeat.jobs.job.imageid} 
x={jobrepeat.jobs.job.xcordinate} 
y={jobrepeat.jobs.job.ycordinate} 
 /mx:Image
   /mx:Repeater
 /mx:Canvas
   /mx:Canvas
 /mx:Panel
 /mx:Application
 
 jobdata.xml--
 ?xml version=1.0 encoding=utf-8?
 jobs
 
   job
   jobnamejob1/jobname
   jobid200/jobid
   xcordinate100/xcordinate
   ycordinate100/ycordinate
 imageidjob1.jpg/imageid
   /job
   job
   jobnamejob2/jobname
   jobid300/jobid
   xcordinate200/xcordinate
   ycordinate100/ycordinate
 imageidjob2.jpg/imageid
   /job
   
 /jobs
 --





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[flexcoders] Re: 3 problems about datagrid ...

2005-09-08 Thread xiankevin2005
thanks for the reply...let me describe the problem i'm facing.
assume that the dategrid is a song list with several pages and i use 
a CheckCellRenderer for a column.when user clicks the check box,the 
song will add to his play list and remove it for another click.
i want to create a click handler in the mxml file,which functions to 
watch all the check boxes,and when one of them is clicked,i can get 
the number of the row.then append the selected song to the play list.

i used to add some code in the click handler in 
CheckCellRenderer.as.like this:
if(check.checked)
  listOwner._parent.addToPlayList(getCellIndex().itemIndex);
else
  listOwner._parent.delFromPlayList(getCellIndex().itemIndex);
  
it seems strange though can work properly...

how can i do?


about problem 3:
to add a ... is just what i want.but how to implement this cell 
renderer?i've no idea...any prompt would be appreciated...

thanks a lot.

kevin





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[flexcoders] is there any way to get the width of a string when displaying on the screen?

2005-09-07 Thread xiankevin2005
hi all!
as i mentioned in my subject,how can i get the width of a string?
when i use a datagrid control and the text in a cell is too long to be 
fully displayed,the text should be cut off,and then add a ... at the 
end of the substring.further more,while the width of the column is 
changing,the substring adjusts its length to the cell.
so,i think the key is to get the width of the string...it there any 
solution?
i found a method named calculateWidths in flex reference,but it seems 
to be a internal method.how can i use it?





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[flexcoders] is there any way to get the width of a string when displaying on the screen?

2005-09-07 Thread xiankevin2005
hi all!
as i mentioned in my subject,how can i get the width of a string?
when i use a datagrid control and the text in a cell is too long to be 
fully displayed,the text should be cut off,and then add a ... at the 
end of the substring.further more,while the width of the column is 
changing,the substring adjusts its length to the cell.
so,i think the key is to get the width of the string...it there any 
solution?
i found a method named calculateWidths in flex reference,but it seems 
to be a internal method.how can i use it?




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[flexcoders] problem about using a cellrenderer in dategrid control

2005-09-07 Thread xiankevin2005
when using a cellrenderer,such as checkCellRenderer,in the click event 
handler of the checkBox,the method listOwner.dataProvider.editField is 
invoked.but it seems that the datagrid control cannot handle the event 
that the value of the cell was changed.
if my app need to get the number of the row in which the checkBox was 
clicked just now,what should i do?





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[flexcoders] 3 problems about datagrid ...

2005-09-07 Thread xiankevin2005
hi,
i've got 3 problems when using the datagrid...

1:
when i use a cellrenderer in the datagrid,such as checkCellRenderer,in 
the click event handler of the checkBox,the method 
listOwner.dataProvider.editField is invoked.but it seems that the 
datagrid control cannot handle the event that the value of the cell was 
changed.
if my app need to get the number of the row in which the checkBox was 
clicked just now,what should i do?

2:
when the text in some cell is too long to be fully displayed,i think i 
need to set the wordWrap and variableRowHeight to true.however,if i set 
the rowCount to a certain number then,3 for instance,there will be some 
other empty row at the bottom...why?

3:
if i'd like the text be cut off to fit the cell rather than 
wrap.further more,while the width of the column is changing,the text 
should adjust its length...any ideas?

a lot of thanks..

kevin




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[flexcoders] how to prevent the flex app from loading the data in the cache?

2005-09-06 Thread xiankevin2005
my app invokes some asp files by using a httpservice.the records in the 
database are displayed in the datagrid.

when the app was published as a swf file and was made to work on the 
web,after inserting new records into the database,i retrieve all the 
records again.however,there's nothing changed in the datagrid.it seems 
that the app loads data from the cache...but,when working in 
FlashPlayer,everything goes normally.what can i do to force my app to 
load the latest data rather than that in the cache?




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[flexcoders] Re: how to prevent the flex app from loading the data in the cache?

2005-09-06 Thread xiankevin2005
the problem that confused me 4 several days is now resolved 
successfully!
a lot of thx!
--- In flexcoders@yahoogroups.com, Sjors Pals [EMAIL PROTECTED] wrote:
 Make sure you set the right headers in your asp output:
 
 Put something like this in your asp response:
 
 
 Response.Buffer = True
 Response.Expires = -1
 Response.ExpiresAbsolute = Now() - 2
 Response.AddHeader pragma,no-cache
 Response.AddHeader cache-control,private
 Response.CacheControl = No-Store
 
 Greets,
 
 Sjors
 
 
 xiankevin2005 wrote:
 
  my app invokes some asp files by using a httpservice.the records 
in the
  database are displayed in the datagrid.
 
  when the app was published as a swf file and was made to work on 
the
  web,after inserting new records into the database,i retrieve all 
the
  records again.however,there's nothing changed in the datagrid.it 
seems
  that the app loads data from the cache...but,when working in
  FlashPlayer,everything goes normally.what can i do to force my 
app to
  load the latest data rather than that in the cache?
 
 
 
 
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