[flexcoders] Best way to create such type of DataGrid?
Hello FlexCoders, I'm wondering what is the best way to create such type of DataGrid in Flex 1.5? here is image with datagrid that was created in html: http://www.go4flash.com/Table.gif Does DataGrid component suits the best in this case? Best regards Stanislav Yahoo! Groups Sponsor ~-- Most low income homes are not online. Make a difference this holiday season! http://us.click.yahoo.com/5UeCyC/BWHMAA/TtwFAA/nhFolB/TM ~- -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ * 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/
[flexcoders] Resize container to the size of its largest child
Hi All! What is the best way to resize container (e. g. Accordion) to the size of its largest child? Sergey. Yahoo! Groups Sponsor ~-- Get Bzzzy! (real tools to help you find a job). Welcome to the Sweet Life. http://us.click.yahoo.com/KIlPFB/vlQLAA/TtwFAA/nhFolB/TM ~- -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ * 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: [flexcoders] Best way to create such type of DataGrid?
I consider it's better to create some AbstractTable class inherited from UIObject and then some specific table classes for your particular needs. :) -Original Message- From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Stanislav Zayarsky Sent: Friday, December 30, 2005 10:30 AM To: flexcoders@yahoogroups.com Subject: [flexcoders] Best way to create such type of DataGrid? Hello FlexCoders, I'm wondering what is the best way to create such type of DataGrid in Flex 1.5? here is image with datagrid that was created in html: http://www.go4flash.com/Table.gif Does DataGrid component suits the best in this case? Best regards Stanislav Yahoo! Groups Sponsor ~-- Most low income homes are not online. Make a difference this holiday season! http://us.click.yahoo.com/5UeCyC/BWHMAA/TtwFAA/nhFolB/TM ~- -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links Yahoo! Groups Sponsor ~-- AIDS in India: A lurking bomb. Click and help stop AIDS now. http://us.click.yahoo.com/9QUssC/lzNLAA/TtwFAA/nhFolB/TM ~- -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ * 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/
[flexcoders] Custom initial sort on datagrid
Hello all, I'm trying to get a datagrid to use a custom sortCompareFunction for its initial sort order.The custom sortCompareFunction works when you click the column header, however attempts to sort the dataprovider before it is assigned or the grid itself after the dataprovider is assigned all fail. The sortCompareFunction has been written so that it can sort either be passed objects as it would on an Array.sort (from which it will retrieve the string for comparison), or strings which the table will pass when the header is clicked.I have reproduced the various attempts to get it to work in a small mxml file included below. There are plenty of comments that show the various places that we may try to effect the sort. If you run this mxml, you'll see the table, and if you click the 'Age' column header, you'll see the sort work. If you are able to shed light on the error of my ways here and make this sort happen, I myself, my children and my children's children shall speak your name in the most reverant tones for generations to come, perhaps performing a little bedside ritual each night, ordering our pocket change from large to small around the base of the lamp before sleeping as a way of meditating upon the momentous occasion when The Answer was posted and the Great Difficulty passed.Thanks, -=Cliff?xml version="1.0" encoding="utf-8"?!-- Attempt to order the rows of a DataGrid by a column which requires a special sortCompareFunction --!-- This demo shows that the column (Age) sorts properly when the column header is clicked, --!-- but attempts to sort the dataprovider or the grid automatically at startup all fail --!-- Try assigning the dataprovider via binding, and tying a sort at creationComplete --mx:Application xmlns:mx="http://www.macromedia.com/2003/mxml" creationComplete="sortAtCreationComplete()"!-- Try assigning the dataprovider manually at startup, giving the opportunity to force a sort --!-- mx:Application xmlns:mx="http://www.macromedia.com/2003/mxml" creationComplete="manuallyAssignDP()" -- mx:Script ![CDATA[ import mx.utils.ArrayUtil; import mx.utils.Delegate; // sort order lookup hash public var sortOrder:Array;public function sortAtCreationComplete() { // populate the sort order lookup hash sortOrder=getSortOrder();// try to sort the datagrid // dg1.sortItems(sortByAge,Array.ASCENDING) // try to sort the datagrid's dataprovider dg1.dataProvider.sortItems(sortByAge, Array.ASCENDING) } public function manuallyAssignDP() { // populate the sort order lookup hash sortOrder=getSortOrder(); var da:Array = filterData();// try sorting the dataprovider before assigning // should work but doesn't // da.sortItems( sortByAge, Array.DESCENDING ); dg1.dataProvider = da;// try sorting the grid // should work but doesn't // dg1.sortItems( sortByAge, Array.DESCENDING ); // ok, grasping at straws, here,// try passing the sort function via delegate doesn't work // var d = new Delegate.create(this, sortByAge); // dg1.sortItems( d, Array.DESCENDING ); // should // would be lovely if we could do this,// since the age column has a sortCompareFunction, // but alas, it never gets called, and the field // is string sorted // dg1.sortItemsBy('age', Array.DESCENDING); } public function filterData():Array { var dp:Array = new Array; dp.addItem( {hi:'abcd', bye:'goodbye', age:'young'} ); dp.addItem( {hi:'efgh', bye:'zoob', age:'younger still'} ); dp.addItem( {hi:'ijkl', bye:'wappa', age:'old'} ); dp.addItem( {hi:'mnop', bye:'grrm', age:'older'} ); dp.addItem( {hi:'qrst', bye:'fluu', age:'young'} ); dp.addItem( {hi:'uvwx', bye:'norb', age:'middle aged'} ); dp.addItem( {hi:'yyzz', bye:'tepid', age:'older yet'} ); dp.addItem( {hi:'AbCd', bye:'wrrr', age:'young'} ); dp.addItem( {hi:'eFgH', bye:'grum', age:'middle aged'} ); dp.addItem( {hi:'IjKl', bye:'quixital', age:'young'} ); dp.addItem( {hi:'mNoP', bye:'snorg', age:'younger'} ); // try sorting the dataprovider here // none of these work, though they should // // dp.sort(sortByAge); // dp.sortItems(sortByAge); // dp.sortItems(sortByAge, Array.DESCENDING);return dp; } private function getSortOrder():Array { var so:Array = new Array(); so['younger still'] = 0; so['younger'] = 1; so['young'] = 2; so['middle aged']= 3; so['old'] = 4; so['older'] = 5; so['older yet']= 6;return so;}public function sortByAge( obj1bject, obj2bject, colIndex:Number ):Number { // depending on whether the method is being called as the// sortCompareFunction of a datagrid column, or as a call from // sortItems on the table or array, it may be passed strings to // compare, or objects from which we get the string, respectively var o1:String; var o2:String; if (obj1.age != undefined) { o1 = obj1.age;o2 = obj2.age; } else {o1 =
Re[2]: [flexcoders] Best way to create such type of DataGrid?
Hello Sergey, I agree with Sergey. You must draw the diffence between Table and DataGrid mentally. --- DataGrid displays tabular data, allows sorting in columns, support paging. Example is mx:datagrid component. --- Table displays any data in tabular format, no sorting, very similar to table /table HTML tag One of the possible realization example of Table is http://www.flash-db.com/FlashTable/ Another approach is to use Tab delimiters: http://www.emllabs.com/article.php?articleId=104 --- I consider it's better to create some AbstractTable class inherited from UIObject and then some specific table classes for your particular needs. :) -- Best regards, Andriymailto:[EMAIL PROTECTED] Yahoo! Groups Sponsor ~-- Most low income homes are not online. Make a difference this holiday season! http://us.click.yahoo.com/5UeCyC/BWHMAA/TtwFAA/nhFolB/TM ~- -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ * 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/
[flexcoders] Flex 2: Component inheritance?
I'm relatively new to Flex 2 and what I'm trying to do is to create a set of custom MXML components that share the same AS base class. So I start with the base component, an empty container to which I add properties/methods via AS. Call it Base.mxml:?xml version=1.0 encoding=utf-8?mx:Canvas xmlns:mx=http://www.macromedia.com/2005/mxml xmlns=* mx:Script source=Base_inc.as/ !-- Declare base properties/methods --/mx:CanvasThen I create a component based on Base. I add a Button and a TextInput. Call it ComponentA.mxml :?xml version=1.0 encoding=utf-8?Base xmlns:mx=http://www.macromedia.com/2005/mxml xmlns=* mx:Script source=ComponentA_inc.as/ !-- Component-specific code -- mx:Button x=5 y=41 label=Button/ mx:TextInput x=2 y=12 text=hello id=MyText//BaseThen I add ComponentA to an application. Everything looks fine in the design view. However, when the app is run, the controls added by ComponentA do not show up. I put in a creationComplete handler for ComponentA and traced the value of MyText and it came out null, so it looks like it never got created. Am I missing something? If this isn't how you do component inheritance, then how can it be done while still taking advantage of the easy layout offered by MXML? -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com SPONSORED LINKS Web site design development Computer software development Software design and development Macromedia flex Software development best practice YAHOO! GROUPS LINKS Visit your group "flexcoders" on the web. To unsubscribe from this group, send an email to:[EMAIL PROTECTED] Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service.
Re: [flexcoders] Resize container to the size of its largest child
Hello Sergey, Friday, December 30, 2005, 11:50:50 AM, you wrote: What is the best way to resize container (e. g. Accordion) to the size of its largest child? Use mx:Accordition resizeToContent=true minHeight=720 -- Best regards, Andriymailto:[EMAIL PROTECTED] Yahoo! Groups Sponsor ~-- Most low income homes are not online. Make a difference this holiday season! http://us.click.yahoo.com/5UeCyC/BWHMAA/TtwFAA/nhFolB/TM ~- -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ * 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/
[flexcoders] Setting effect via AS
I need to set an effect (hideEffect) on a new object (mx.controls.Image) that I am creating via AS and the effect does not seem to be playing when expected (hiding of image). What is the correct way of adding an effect to an object programatically? Is it treated like a property and takes a string of the name of the effect? object.hideEffect = effectName; I have not had success with any of the ways I have tried. Thanks in advance for your help! Karl Yahoo! Groups Sponsor ~-- Most low income homes are not online. Make a difference this holiday season! http://us.click.yahoo.com/5UeCyC/BWHMAA/TtwFAA/nhFolB/TM ~- -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ * 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: [flexcoders] Setting effect via AS
Pass the image's ID into the effect's contructor: var e:Dissolve = new mx.effects.Dissolve(imageID); - Original Message - From: Karl [EMAIL PROTECTED] To: flexcoders@yahoogroups.com Sent: Friday, December 30, 2005 11:46 AM Subject: [flexcoders] Setting effect via AS I need to set an effect (hideEffect) on a new object (mx.controls.Image) that I am creating via AS and the effect does not seem to be playing when expected (hiding of image). What is the correct way of adding an effect to an object programatically? Is it treated like a property and takes a string of the name of the effect? object.hideEffect = effectName; I have not had success with any of the ways I have tried. Thanks in advance for your help! Karl -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links Yahoo! Groups Sponsor ~-- Most low income homes are not online. Make a difference this holiday season! http://us.click.yahoo.com/5UeCyC/BWHMAA/TtwFAA/nhFolB/TM ~- -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ * 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: [flexcoders] CheckCellRenderer
Yeah, thanks Jesse.
Use editField(), not the method I made up.
Tracy
-Original Message-
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of JesterXL
Sent: Thursday, December 29, 2005 8:56 PM
To: flexcoders@yahoogroups.com
Subject: Re: [flexcoders] CheckCellRenderer
Example:
dataGrid.dataProvider[i].cbSelect = newState;
becomes:
dataGrid.dataProvider.editField(i, cbSelect, newState);
- Original Message -
From: Tracy Spratt [EMAIL PROTECTED]
To: flexcoders@yahoogroups.com
Sent: Thursday, December 29, 2005 8:57 PM
Subject: RE: [flexcoders] CheckCellRenderer
This form of update:
dataGrid.dataProvider[i].cbSelect = newState
does not cause the dataProvider to emit the modelChanged event to update
the control.
Instead, use the dataProvider API, like editItemAt().
Or, probably better in your case, when you are done updating the
dataProvider, re-assign it to the control:
Datagrid.DataProvider = DataGrid.dataProvider;
This should cause the proper events to fire and update the screen.
Tracy
-Original Message-
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of rb_dickey
Sent: Thursday, December 29, 2005 7:50 PM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] CheckCellRenderer
Hi,
I'm trying to do a simple loop through a datagrid to set a column
that's using the CheckCellRenderer to be checked or unchecked but
the following code does not work, well sort of. What happens is
that if I mouseover each row, viola, the checks in the checkbox
appear or disappear depending on my choice to select all or not.
Here is the function I call to set the checkboxes in the grid:
private function selectAll(newState:Boolean):Void
{
for( var i in dataGrid.dataProvider )
dataGrid.dataProvider[i].cbSelect = newState;
}
The datagrid column is defined as:
mx:DataGridColumn headerText= width=40 columnName=cbSelect
cellRenderer=CheckCellRenderer resizable=true /
The dataprovider for the grid is an RO...
TIA for any info.
Rob
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RE: [flexcoders] CheckCellRenderer
The difference is that edit field will
update the UI immediately every time you call it. This is fine with small data
sets. If you update many items, then there might be a performance issue with
so many ui refreshes.
Also, you might be able manually dispatch
the modelChanged event instead of re-assigning the dataProvider, but I have not
tried this.
Tracy
From: flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com] On Behalf Of Rob Dickey
Sent: Thursday, December 29, 2005
11:13 PM
To: flexcoders@yahoogroups.com
Subject: RE: [flexcoders]
CheckCellRenderer
Hi Tracy, JesterXL,
Thanks for both replies and suggestions.
Both worked great, although I think Ill stick to the last
suggestion (editField) as
It would take more comments then code to
explain why I am reassigning the data provider to the grid that its
already assigned to J
Regards,
Rob
From: flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com] On Behalf Of JesterXL
Sent: Thursday, December 29, 2005
5:56 PM
To: flexcoders@yahoogroups.com
Subject: Re: [flexcoders]
CheckCellRenderer
Example:
dataGrid.dataProvider[i].cbSelect = newState;
becomes:
dataGrid.dataProvider.editField(i,
cbSelect, newState);
- Original Message -
From: Tracy Spratt
[EMAIL PROTECTED]
To: flexcoders@yahoogroups.com
Sent: Thursday, December 29, 2005 8:57 PM
Subject: RE: [flexcoders] CheckCellRenderer
This form of update:
dataGrid.dataProvider[i].cbSelect = newState
does not cause the dataProvider to emit the
modelChanged event to update
the control.
Instead, use the dataProvider API, like
editItemAt().
Or, probably better in your case, when you are
done updating the
dataProvider, re-assign it to the control:
Datagrid.DataProvider = DataGrid.dataProvider;
This should cause the proper events to fire and
update the screen.
Tracy
-Original Message-
From: flexcoders@yahoogroups.com
[mailto:flexcoders@yahoogroups.com]
On
Behalf Of rb_dickey
Sent: Thursday, December 29, 2005 7:50 PM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] CheckCellRenderer
Hi,
I'm trying to do a simple loop through a datagrid
to set a column
that's using the CheckCellRenderer to be checked
or unchecked but
the following code does not work, well sort
of. What happens is
that if I mouseover each row, viola,
the checks in the checkbox
appear or disappear depending on my choice to
select all or not.
Here is the function I call to set the checkboxes
in the grid:
private function selectAll(newState:Boolean):Void
{
for( var i in dataGrid.dataProvider )
dataGrid.dataProvider[i].cbSelect = newState;
}
The datagrid column is defined as:
mx:DataGridColumn headerText=
width=40 columnName=cbSelect
cellRenderer=CheckCellRenderer
resizable=true /
The dataprovider for the grid is an RO...
TIA for any info.
Rob
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Re: [flexcoders] CheckCellRenderer
You were thinking of setItemAt from Flex 2. No worries, you're just ahead
of the curve.
- Original Message -
From: Tracy Spratt [EMAIL PROTECTED]
To: flexcoders@yahoogroups.com
Sent: Friday, December 30, 2005 1:21 PM
Subject: RE: [flexcoders] CheckCellRenderer
Yeah, thanks Jesse.
Use editField(), not the method I made up.
Tracy
-Original Message-
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of JesterXL
Sent: Thursday, December 29, 2005 8:56 PM
To: flexcoders@yahoogroups.com
Subject: Re: [flexcoders] CheckCellRenderer
Example:
dataGrid.dataProvider[i].cbSelect = newState;
becomes:
dataGrid.dataProvider.editField(i, cbSelect, newState);
- Original Message -
From: Tracy Spratt [EMAIL PROTECTED]
To: flexcoders@yahoogroups.com
Sent: Thursday, December 29, 2005 8:57 PM
Subject: RE: [flexcoders] CheckCellRenderer
This form of update:
dataGrid.dataProvider[i].cbSelect = newState
does not cause the dataProvider to emit the modelChanged event to update
the control.
Instead, use the dataProvider API, like editItemAt().
Or, probably better in your case, when you are done updating the
dataProvider, re-assign it to the control:
Datagrid.DataProvider = DataGrid.dataProvider;
This should cause the proper events to fire and update the screen.
Tracy
-Original Message-
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of rb_dickey
Sent: Thursday, December 29, 2005 7:50 PM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] CheckCellRenderer
Hi,
I'm trying to do a simple loop through a datagrid to set a column
that's using the CheckCellRenderer to be checked or unchecked but
the following code does not work, well sort of. What happens is
that if I mouseover each row, viola, the checks in the checkbox
appear or disappear depending on my choice to select all or not.
Here is the function I call to set the checkboxes in the grid:
private function selectAll(newState:Boolean):Void
{
for( var i in dataGrid.dataProvider )
dataGrid.dataProvider[i].cbSelect = newState;
}
The datagrid column is defined as:
mx:DataGridColumn headerText= width=40 columnName=cbSelect
cellRenderer=CheckCellRenderer resizable=true /
The dataprovider for the grid is an RO...
TIA for any info.
Rob
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Re: [flexcoders] CheckCellRenderer
Naw, it actually calls invalidate each time, so
it's only updated once per frame, whether you call it 1, or 1000 times.
That's the beauty of DataProvider API!
However, the manual dispatch isn't so bad because
for thousands of records, this:
my_array[i].cow = "foo";
+ dispatch modelChanged()
is faster than editField on thousands of
records. Don't have benchmarks, though.
- Original Message -
From: Tracy Spratt
To: flexcoders@yahoogroups.com
Sent: Friday, December 30, 2005 1:24 PM
Subject: RE: [flexcoders] CheckCellRenderer
The difference is that
edit field will update the UI immediately every time you call it. This is
fine with small data sets. If you update many items, then there might be a
performance issue with so many ui refreshes.
Also, you might be able
manually dispatch the modelChanged event instead of re-assigning the
dataProvider, but I have not tried this.
Tracy
From:
flexcoders@yahoogroups.com
[mailto:flexcoders@yahoogroups.com]
On Behalf Of Rob
DickeySent: Thursday, December
29, 2005 11:13 PMTo:
flexcoders@yahoogroups.comSubject: RE: [flexcoders]
CheckCellRenderer
Hi Tracy,
JesterXL,
Thanks for both replies
and suggestions. Both worked great, although I think Ill stick to the
last suggestion (editField) as
It would take more
comments then code to explain why I am reassigning the data provider to the grid
that its already assigned to J
Regards,
Rob
From:
flexcoders@yahoogroups.com
[mailto:flexcoders@yahoogroups.com]
On Behalf Of JesterXLSent: Thursday, December 29, 2005 5:56
PMTo: flexcoders@yahoogroups.comSubject: Re: [flexcoders]
CheckCellRenderer
Example:dataGrid.dataProvider[i].cbSelect =
newState;becomes:dataGrid.dataProvider.editField(i, "cbSelect",
newState);- Original
Message - From:
"Tracy Spratt"
[EMAIL PROTECTED]To:
flexcoders@yahoogroups.comSent: Thursday, December 29, 2005 8:57
PMSubject: RE: [flexcoders]
CheckCellRendererThis form
of update:dataGrid.dataProvider[i].cbSelect =
newStatedoes not cause the
dataProvider to emit the modelChanged event to updatethe control.Instead, use the dataProvider API, like
editItemAt().Or, probably
better in your case, when you are done updating thedataProvider, re-assign it to the
control:Datagrid.DataProvider =
DataGrid.dataProvider;This
should cause the proper events to fire and update the
screen.Tracy-Original Message-From: flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com]
OnBehalf Of
rb_dickeySent: Thursday, December
29, 2005 7:50 PMTo: flexcoders@yahoogroups.comSubject: [flexcoders]
CheckCellRendererHi,I'm
trying to do a simple loop through a datagrid to set a column
that's using the CheckCellRenderer
to be checked or unchecked but the
following code does not work, well sort of. What happens is
that if I "mouseover" each row,
viola, the checks in the checkbox appear or disappear depending on my choice to select all or
not. Here is the function I call to
set the checkboxes in the grid:private function
selectAll(newState:Boolean):Void{for( var i in
dataGrid.dataProvider )dataGrid.dataProvider[i].cbSelect =
newState;}The
datagrid column is defined as:mx:DataGridColumn headerText="" width="40"
columnName="cbSelect" cellRenderer="CheckCellRenderer" resizable="true"
/The dataprovider for the
grid is an RO...TIA for any
info.Rob--Flexcoders
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RE: [flexcoders] CheckCellRenderer
Ah, cool. So all that Flash frame stuff
might actually be good to know about!
From: flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com] On Behalf Of JesterXL
Sent: Friday, December 30, 2005
1:31 PM
To: flexcoders@yahoogroups.com
Subject: Re: [flexcoders]
CheckCellRenderer
Naw, it actually calls invalidate each time, so it's only
updated once per frame, whether you call it 1, or 1000 times. That's the
beauty of DataProvider API!
However, the manual dispatch isn't so bad because for
thousands of records, this:
my_array[i].cow = foo;
+ dispatch modelChanged()
is faster than editField on thousands of records.
Don't have benchmarks, though.
- Original Message -
From: Tracy Spratt
To: flexcoders@yahoogroups.com
Sent: Friday, December
30, 2005 1:24 PM
Subject: RE: [flexcoders]
CheckCellRenderer
The difference is that edit field will
update the UI immediately every time you call it. This is fine with small
data sets. If you update many items, then there might be a performance
issue with so many ui refreshes.
Also, you might be able manually dispatch
the modelChanged event instead of re-assigning the dataProvider, but I have not
tried this.
Tracy
From: flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com] On Behalf Of Rob Dickey
Sent: Thursday, December 29, 2005
11:13 PM
To: flexcoders@yahoogroups.com
Subject: RE: [flexcoders] CheckCellRenderer
Hi Tracy, JesterXL,
Thanks for both replies and suggestions.
Both worked great, although I think Ill stick to the last
suggestion (editField) as
It would take more comments then code to
explain why I am reassigning the data provider to the grid that its
already assigned to J
Regards,
Rob
From: flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com] On Behalf Of JesterXL
Sent: Thursday, December 29, 2005
5:56 PM
To: flexcoders@yahoogroups.com
Subject: Re: [flexcoders] CheckCellRenderer
Example:
dataGrid.dataProvider[i].cbSelect = newState;
becomes:
dataGrid.dataProvider.editField(i,
cbSelect, newState);
- Original Message -
From: Tracy Spratt
[EMAIL PROTECTED]
To: flexcoders@yahoogroups.com
Sent: Thursday, December 29, 2005 8:57 PM
Subject: RE: [flexcoders] CheckCellRenderer
This form of update:
dataGrid.dataProvider[i].cbSelect = newState
does not cause the dataProvider to emit the
modelChanged event to update
the control.
Instead, use the dataProvider API, like
editItemAt().
Or, probably better in your case, when you are
done updating the
dataProvider, re-assign it to the control:
Datagrid.DataProvider = DataGrid.dataProvider;
This should cause the proper events to fire and
update the screen.
Tracy
-Original Message-
From: flexcoders@yahoogroups.com
[mailto:flexcoders@yahoogroups.com]
On
Behalf Of rb_dickey
Sent: Thursday, December 29, 2005 7:50 PM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] CheckCellRenderer
Hi,
I'm trying to do a simple loop through a datagrid
to set a column
that's using the CheckCellRenderer to be checked
or unchecked but
the following code does not work, well sort
of. What happens is
that if I mouseover each row, viola,
the checks in the checkbox
appear or disappear depending on my choice to
select all or not.
Here is the function I call to set the checkboxes
in the grid:
private function selectAll(newState:Boolean):Void
{
for( var i in dataGrid.dataProvider )
dataGrid.dataProvider[i].cbSelect = newState;
}
The datagrid column is defined as:
mx:DataGridColumn headerText=
width=40 columnName=cbSelect
cellRenderer=CheckCellRenderer
resizable=true /
The dataprovider for the grid is an RO...
TIA for any info.
Rob
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Re: [flexcoders] CheckCellRenderer
Hehe, naw, because then Flex people think you're a
g00b if you talk about Flash.
You say "next frame", and you're considered to be a
14 year-old who likes punk rock.
You say "invalidate", and you're considered to a
Fortune 500 developer.
- Original Message -
From: Tracy Spratt
To: flexcoders@yahoogroups.com
Sent: Friday, December 30, 2005 1:39 PM
Subject: RE: [flexcoders] CheckCellRenderer
Ah, cool. So all
that Flash frame stuff might actually be good to know
about!
From:
flexcoders@yahoogroups.com
[mailto:flexcoders@yahoogroups.com]
On Behalf Of JesterXLSent: Friday, December 30, 2005 1:31
PMTo: flexcoders@yahoogroups.comSubject: Re: [flexcoders]
CheckCellRenderer
Naw, it actually calls invalidate
each time, so it's only updated once per frame, whether you call it 1, or 1000
times. That's the beauty of DataProvider
API!
However, the manual dispatch isn't
so bad because for thousands of records,
this:
my_array[i].cow =
"foo";
+ dispatch
modelChanged()
is faster than editField on
thousands of records. Don't have benchmarks,
though.
- Original Message -
From: Tracy Spratt
To: flexcoders@yahoogroups.com
Sent: Friday,
December 30, 2005 1:24 PM
Subject: RE:
[flexcoders] CheckCellRenderer
The difference is that
edit field will update the UI immediately every time you call it. This is
fine with small data sets. If you update many items, then there might be a
performance issue with so many ui refreshes.
Also, you might be able
manually dispatch the modelChanged event instead of re-assigning the
dataProvider, but I have not tried this.
Tracy
From:
flexcoders@yahoogroups.com
[mailto:flexcoders@yahoogroups.com]
On Behalf Of Rob
DickeySent: Thursday, December
29, 2005 11:13 PMTo:
flexcoders@yahoogroups.comSubject: RE: [flexcoders]
CheckCellRenderer
Hi Tracy,
JesterXL,
Thanks for both replies
and suggestions. Both worked great, although I think Ill stick to the
last suggestion (editField) as
It would take more
comments then code to explain why I am reassigning the data provider to the grid
that its already assigned to J
Regards,
Rob
From:
flexcoders@yahoogroups.com
[mailto:flexcoders@yahoogroups.com]
On Behalf Of JesterXLSent: Thursday, December 29, 2005 5:56
PMTo: flexcoders@yahoogroups.comSubject: Re: [flexcoders]
CheckCellRenderer
Example:dataGrid.dataProvider[i].cbSelect =
newState;becomes:dataGrid.dataProvider.editField(i, "cbSelect",
newState);- Original
Message - From:
"Tracy Spratt"
[EMAIL PROTECTED]To:
flexcoders@yahoogroups.comSent: Thursday, December 29, 2005 8:57
PMSubject: RE: [flexcoders]
CheckCellRendererThis form
of update:dataGrid.dataProvider[i].cbSelect =
newStatedoes not cause the
dataProvider to emit the modelChanged event to updatethe control.Instead, use the dataProvider API, like
editItemAt().Or, probably
better in your case, when you are done updating thedataProvider, re-assign it to the
control:Datagrid.DataProvider =
DataGrid.dataProvider;This
should cause the proper events to fire and update the
screen.Tracy-Original Message-From: flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com]
OnBehalf Of
rb_dickeySent: Thursday, December
29, 2005 7:50 PMTo: flexcoders@yahoogroups.comSubject: [flexcoders]
CheckCellRendererHi,I'm
trying to do a simple loop through a datagrid to set a column
that's using the CheckCellRenderer
to be checked or unchecked but the
following code does not work, well sort of. What happens is
that if I "mouseover" each row,
viola, the checks in the checkbox appear or disappear depending on my choice to select all or
not. Here is the function I call to
set the checkboxes in the grid:private function
selectAll(newState:Boolean):Void{for( var i in
dataGrid.dataProvider )dataGrid.dataProvider[i].cbSelect =
newState;}The
datagrid column is defined as:mx:DataGridColumn headerText="" width="40"
columnName="cbSelect" cellRenderer="CheckCellRenderer" resizable="true"
/The dataprovider for the
grid is an RO...TIA for any
info.Rob--Flexcoders
Mailing ListFAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txtSearch Archives:http://www.mail-archive.com/flexcoders%40yahoogroups.com
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RE: Re[2]: [flexcoders] Best way to create such type of DataGrid?
And for complexly formatted, repeated items, the mx:Repeater is very effective. It can be slow with larger data sets, but this can be mitigated. Tracy -Original Message- From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Andriy Panas Sent: Friday, December 30, 2005 10:44 AM To: Sergey Kovalyov Subject: Re[2]: [flexcoders] Best way to create such type of DataGrid? Hello Sergey, I agree with Sergey. You must draw the diffence between Table and DataGrid mentally. --- DataGrid displays tabular data, allows sorting in columns, support paging. Example is mx:datagrid component. --- Table displays any data in tabular format, no sorting, very similar to table /table HTML tag One of the possible realization example of Table is http://www.flash-db.com/FlashTable/ Another approach is to use Tab delimiters: http://www.emllabs.com/article.php?articleId=104 --- I consider it's better to create some AbstractTable class inherited from UIObject and then some specific table classes for your particular needs. :) -- Best regards, Andriymailto:[EMAIL PROTECTED] -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links Yahoo! Groups Sponsor ~-- 1.2 million kids a year are victims of human trafficking. Stop slavery. http://us.click.yahoo.com/.QUssC/izNLAA/TtwFAA/nhFolB/TM ~- -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ * 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/
[flexcoders] Re: Setting effect via AS
Thanks for the reply. Is there anyway to set an effect on an object dynamically without having to create a new effect for each image that is added? Won't this method result in a new effect being created in memory for each image, as opposed to having one already created effect that you attach each image to? My effect is a sequence too, so it would actually be multiple effects for each image. If I am thinking about this incorrectly, just let me know. Thanks for your help. Karl --- In flexcoders@yahoogroups.com, JesterXL [EMAIL PROTECTED] wrote: Pass the image's ID into the effect's contructor: var e:Dissolve = new mx.effects.Dissolve(imageID); - Original Message - From: Karl [EMAIL PROTECTED] To: flexcoders@yahoogroups.com Sent: Friday, December 30, 2005 11:46 AM Subject: [flexcoders] Setting effect via AS I need to set an effect (hideEffect) on a new object (mx.controls.Image) that I am creating via AS and the effect does not seem to be playing when expected (hiding of image). What is the correct way of adding an effect to an object programatically? Is it treated like a property and takes a string of the name of the effect? object.hideEffect = effectName; I have not had success with any of the ways I have tried. Thanks in advance for your help! Karl -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders% 40yahoogroups.com Yahoo! Groups Links Yahoo! Groups Sponsor ~-- 1.2 million kids a year are victims of human trafficking. Stop slavery. http://us.click.yahoo.com/.QUssC/izNLAA/TtwFAA/nhFolB/TM ~- -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ * 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: [flexcoders] Re: Setting effect via AS
Sure, make it a member variable and set it's target property.
import mx.core.UIObject;
import mx.effects.Dissolve;
var dissolve_effect:Dissolve;
// called from initialize
function onCreationComplete()
{
dissolve = new Dissolve();
dissolve.duration = 3 * 1000;
dissolve.alphaFrom = 100;
dissolve.alphaTo = 0;
dissolve.suspendBackgroundProcessing = true;
}
function fadeSomething(o:UIObject):Void
{
dissolve.target = o;
dissolve.playEffect();
}
fadeSomething(yourButton);
fadeSomething(yourCow);
- Original Message -
From: Karl [EMAIL PROTECTED]
To: flexcoders@yahoogroups.com
Sent: Friday, December 30, 2005 2:11 PM
Subject: [flexcoders] Re: Setting effect via AS
Thanks for the reply. Is there anyway to set an effect on an object
dynamically without having to create a new effect for each image
that is added? Won't this method result in a new effect being
created in memory for each image, as opposed to having one already
created effect that you attach each image to? My effect is a
sequence too, so it would actually be multiple effects for each
image.
If I am thinking about this incorrectly, just let me know.
Thanks for your help.
Karl
--- In flexcoders@yahoogroups.com, JesterXL [EMAIL PROTECTED] wrote:
Pass the image's ID into the effect's contructor:
var e:Dissolve = new mx.effects.Dissolve(imageID);
- Original Message -
From: Karl [EMAIL PROTECTED]
To: flexcoders@yahoogroups.com
Sent: Friday, December 30, 2005 11:46 AM
Subject: [flexcoders] Setting effect via AS
I need to set an effect (hideEffect) on a new object
(mx.controls.Image) that I am creating via AS and the effect does
not
seem to be playing when expected (hiding of image).
What is the correct way of adding an effect to an object
programatically? Is it treated like a property and takes a string
of
the name of the effect?
object.hideEffect = effectName;
I have not had success with any of the ways I have tried. Thanks in
advance for your help!
Karl
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Re: [flexcoders] Flex 1.5 HTTPService Fault: An XML element was malformed
Thanks Tracy, that did help. Now I'm getting a wierd fault back that says it can't parse the HTTP response, but everything is posting ok. I'll just catch the fault for now. Thanks again!-Andy
On 12/30/05, Tracy Spratt [EMAIL PROTECTED] wrote:
Probably the returned xml is malformed. ;)
Seriously, call the HTTPService url
directly from a browser. What you get back will probably show the problem.
Ah, also, I am not sure that adding
querystring data to the url is supported. Instead, put your data into a
request object and then call the naked url. This way you can use POST, which
can carry more data, more securely, and with less issues with escaping.
It is partially supported. I found this
in the docs:
url
url
:
String
Location of the service. The specified URL should not contain any query
parameters (? followed by name/value pairs), unless the HTTP method is GET and
the mx:HTTPService
tag contains no request parameters.
Currently you can only add parameters to the URL if you set it through
ActionScript, not the tag. Use either the url
property or the serviceName
property, not both.
Still, it is an ugly way to do it. Use
the request Object.
var sReqParam:String = "SEL_EVENT"
+ sWhatever;
var oRequest:Object = new Object({sql: sReqParam
})
eventHTTP.send(oRequest
);
Tracy
From:
flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com]
On Behalf Of Andrew D, Goodfellow
Sent: Friday, December 30, 2005
1:30 AM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Flex 1.5
HTTPService Fault: An XML element was malformed
Does anyone know why when I run this code I get an error that says:
HTTPService Fault: An XML element was malformed.? It seems to only
happen when I escape things like and # into the URL.
?xml version= 1.0 encoding=utf-8?
mx:Application xmlns:mx=http://www.macromedia.com/2003/mxml
mx:HTTPService id=eventHTTP
url=""
mx:Script
![CDATA[
function HTTPServiceErrorTest():Void {
var
myEscapedStuff:String = escape();
eventHTTP.url = "" href="http://127.0.0.1/intranet?sql=SEL_EVENT" target="_blank" >
http://127.0.0.1/intranet?sql=SEL_EVENT +myEscapedStuff;
eventHTTP.send();
}
]]
/mx:Script
mx:Button label=Button
click=HTTPServiceErrorTest()/
/mx:Application
TIA
-Andy
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[flexcoders] Flex 2 Flash Communication Server Admin API
So far I have successfully connection to Flash Communication Server using Flex 2.0 Alpha Standalone, but when I try to call an Admin API method, I get no response. Here is what I am doing:mx:Script ![CDATA[ import flash.net.*;public var adminConnection:NetConnection; public var serverStatsResponder:Responder; public function init()
{adminConnection = new NetConnection(); configureListeners(adminConnection);adminConnection.connect(null,"127.0.0.1:", "myusername", "mypass"); } public function
configureListeners(dispatcher:IEventDispatcher):Void {dispatcher.addEventListener(NetStatusEventType.NET_STATUS, onNetStatus);dispatcher.addEventListener(SecurityErrorEventType.SECURITY_ERROR, onSecurityError); }public function onNetStatus(event:NetStatusEvent):Void {switch(event.info.code) { case "NetConnection.Connect.Success" :
trace("connected"); monitorServer(); break; } trace("onNetStatus: " + event);var info:Object = event.info; for(var i:String in info) {trace(i + " : " + info[i]); } }public function handleServerStatsResult(event:NetStatusEvent) {trace("handleServerStatsResult: " + event); var info:Object = event.info; for(var i:String in info) {trace(i + " : " + info[i]); } } public function handleServerStatsStatus(event:NetStatusEvent) {trace("handleServerStatsStatus: " + event); var info:Object =
event.info; for(var i:String in info) {trace(i + " : " + info[i]); } } public function monitorServer() { serverStatsResponder = new Responder(handleServerStatsResult, handleServerStatsStatus);
adminConnection.call("getServerStats", serverStatsResponder); } public function onSecurityError(event:SecurityErrorEvent):Void {trace("onSecurityError: " + event); }]] /mx:Script
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RE: [flexcoders] Custom initial sort on datagrid
I think dg1.sortItems(sortByAge, asc)
should have worked (or desc), not Array.ASCENDING and
Array.DESCENDING because being consistent with array options would have been
too obvious ;-)
Havent tried it though. This will
be easier in Flex 2 because sorting will be done through Sort objects and
SortFields which the DG will recognize.
Matt
From:
flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Clifford Hall
Sent: Friday, December 30, 2005
10:42 AM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Custom
initial sort on datagrid
Hello all,
I'm trying to get a datagrid to use a custom sortCompareFunction for its
initial sort order.
The custom sortCompareFunction works when you click the column header, however
attempts to sort the dataprovider before it is assigned or the grid itself
after the dataprovider is assigned all fail. The sortCompareFunction has been
written so that it can sort either be passed objects as it would on an
Array.sort (from which it will retrieve the string for comparison), or strings
which the table will pass when the header is clicked.
I have reproduced the various attempts to get it to work in a small mxml file
included below. There are plenty of comments that show the various places that
we may try to effect the sort. If you run this mxml, you'll see the table, and
if you click the 'Age' column header, you'll see the sort work.
If you are able to shed light on the error of my ways here and make this sort
happen, I myself, my children and my chil! dren's children shall speak your
name in the most reverant tones for generations to come, perhaps performing a
little bedside ritual each night, ordering our pocket change from large to
small around the base of the lamp before sleeping as a way of meditating upon
the momentous occasion when The Answer was posted and the Great Difficulty
passed.
Thanks,
-=Cliff
?xml version=1.0
encoding=utf-8?
!-- Attempt to order the rows of a DataGrid
by a column which requires a special sortCompareFunction --
!-- This demo shows that the column (Age)
sorts properly when the column header is clicked, --
!-- but attempts to sort the dataprovider or
the grid automatically at startup all fail --
!-- Try assigning the dataprovider via
binding, and tying a sort at creationComplete --
mx:Application
xmlns:mx=http://www.macromedia.com/2003/mxml creationComp!
lete=sortAtCreationComplete()
!-- Try assigni! ng the d ataprovider
manually at startup, giving the opportunity to force a sort --
!-- mx:Application
xmlns:mx=http://www.macromedia.com/2003/mxml
creationComplete=manuallyAssignDP() --
mx:Script
![CDATA[
import
mx.utils.ArrayUtil;
import
mx.utils.Delegate;
// sort
order lookup hash
public var
sortOrder:Array;
public
function sortAtCreationComplete()
{
// populate the sort order lookup hash
sortOrder=getSortOrder();
nb!
sp; // try to sort the datagrid
//
dg1.sortItems(sortByAge,Array.ASCENDING)
// try to sort the datagrid's dataprovider
dg1.dataProvider.sortItems(sortByAge,
Array.ASCENDING)
}
public
function manuallyAssignDP()
{
// populate the sort order lookup hash
sortOrder=getSortOrder();
var da:Array = filterData();
nb! sp;
// try sorting the d! ataprovi der before
assigning
// should work but doesn't
// da.sortItems( sortByAge, Array.DESCENDING );
dg1.dataProvider = da;
// try sorting the grid
// should work but doesn't
// dg1.sortItems( sortByAge, Array.DESCENDING );
// ok, grasping at straws, here,
// try passing the sort function via delegate doesn't work
nb! sp;
// var d = new Delegate.create(this, sortByAge);
// dg1.sortItems( d, Array.DESCENDING ); // should
// would be lovely if we could do this,
// since the age column has a sortCompareFunction,
// but alas, it never gets called, and the field
// is string sorted
// dg1.sortItemsBy('age', Array.DESCENDING);
}
! public
function filterData():Arraynb! sp;
{
var dp:Array = new Array;
dp.addItem( {hi:'abcd', bye:'goodbye',
age:'young'} );
dp.addItem( {hi:'efgh', bye:'zoob',
age:'younger still'} );
dp.addItem( {hi:'ijkl', bye:'wappa',
age:'old'} );
dp.addItem( {hi:'mnop', bye:'grrm',
age:'older'} );
dp.addItem( {hi:'qrst', bye:'fluu',
age:'young'} );
dp.addItem( {hi:'uvwx', ! bye:'norb',
age:'middle aged'} );
dp.addItem( {hi:'yyzz', bye:'tepid',
age:'older yet'} );
dp.addItem( {hi:'AbCd', bye:'wrrr',
age:'young'} );
dp.addItem( {hi:'eFgH', bye:'grum',
age:'middle aged'} );
dp.addItem( {hi:'IjKl', bye:'quixital',
age:'young'} );
dp.addItem( {hi:'mNoP', bye:'snorg',
age:'younger'} );
// try sorting the dataprovider here
!
// none of these work, though ! they sho uld
//
// dp.sort(sortByAge);
// dp.sortItems(sortByAge);
// dp.sortItems(sortByAge, Array.DESCENDING);
return dp;
}
private
function
RE: [flexcoders] Flex 2: Component inheritance?
Did you put any visual children in Base?
If you did its not going to work because you cant have declared
children in a parent component and subcomponent (though we may describe how to
simulate that in some of our docs with other features).
You can try rewriting Base.mxml to be
Base.as if there werent visual children
Public class Base extends Canvas
{
//declare properties and methods
}
Matt
From:
flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Jason Y. Kwong
Sent: Friday, December 30, 2005
10:44 AM
To: Flashcoders mailing list;
flexcoders@yahoogroups.com
Subject: [flexcoders] Flex 2:
Component inheritance?
I'm relatively new to
Flex 2 and what I'm trying to do is to create a set of custom MXML components
that share the same AS base class. So I start with the base component, an
empty container to which I add properties/methods via AS. Call it Base.mxml:
?xml version=1.0 encoding=utf-8?
mx:Canvas xmlns:mx=http://www.macromedia.com/2005/mxml
xmlns=*
mx:Script source=Base_inc.as/ !-- Declare
base properties/methods --
/mx:Canvas
Then I create a component based on Base. I add a Button and a
TextInput. Call it ComponentA.mxml :
?xml version=1.0 encoding=utf-8?
Base xmlns:mx=http://www.macromedia.com/2005/mxml
xmlns=*
mx:Script
source=ComponentA_inc.as/ !--
Component-specific code --
mx:Button x=5 y=41
label=Button/
mx:TextInput x=2 y=12
text=hello id=MyText/
/Base
Then I add ComponentA to an application. Everything looks fine in the
design view. However, when the app is run, the controls added by
ComponentA do not show up. I put in a creationComplete handler for
ComponentA and traced the value of MyText and it came out null, so
it looks like it never got created.
Am I missing something? If this isn't how you do component inheritance,
then how can it be done while still taking advantage of the easy layout offered
by MXML?
--
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