Vertical align elements in FlowPanel?
Hi,
how can I vertically center elements within a FlowPanel? I have several
FocusPanels inside a FlowPanel, which means they are stacked on each other.
One of the focuspanels has an image, which should be centered both
horizontally and vertically within that focuspanel. But no matter what I
tried, it is always placed at the top of this panel.
g:FlowPanel
g:FocusPanel
g:Image resource='{res.myimage}' /
/g:FocusPanel
g:FocusPanel
...
/g:FlowPanel
Can anyone help?
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Get widget variable name from event?
Hi,
is it possible to retrieve the name of an element that triggers an event?
For example, if I have a FocusPanel which triggers a MouseOverEvent, can I
get the variable name of that panel somehow from the event?
@UiField
FocusPanel panel;
@UiHandler(panel)
void mouseOver(MouseOverEvent ev) {
Window.alert(you clicked the element named 'panel'); //how could I
use the 'ev' to get the name 'panel'?
}
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How to display an empty Panel/FocusPanel?
Hi,
I want to have a FocusPanel without any content, but it should trigger some
MouseFocus events.
Are there any spacer elements in GWT which I could place into the
FocusPanel?
At the moment I'm just using a transparent little image that I place into
the FocusPanel by:
g:FocusPanel
g:Image resource={res.empty} /
/g:FocusPanel
But are there better ways?
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Re: Get widget variable name from event?
No you can't.
All you can do is
Object source = event.getSource();
if(source == panel) {
//event fired by specific panel
}
But this only makes sense if you have multiple event sources for a single
method, e.g.
@UiHandler({panel1, panel2})
void onMouseOver(MouseOverEvent event) {
//dispatch event source here.
}
The above code is pretty much the same as
MouseOverHandler handler = new MouseOverHandler() { //implement... }
panel1.addMouseOverHandler(handler);
panel2.addMouseOverHandler(handler);
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CSS Styling of FocusPanel?
From eg TextBox I know that it is possible to alter the css style of an
element by setting the dependentName like this:
textBox.setStyleDependentName(readonly, true);
.gwt-TextBox-readonly {
background-color: lightgrey;
border: none;
}
How can I do the same with FocusPanel?
I tried .gwt-FocusPanel-mystyle but it's not changing anything. Does this
work different with focuspanel?
Thanks
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DataGrid / CellTable: ValueChangeEvent from CheckBoxCell in a custom built header
Hello folks,
I've encountered a problem with a
CheckBoxCellhttp://google-web-toolkit.googlecode.com/svn/javadoc/latest/com/google/gwt/cell/client/CheckboxCell.htmlin
a custom built header for a
DataGridhttp://google-web-toolkit.googlecode.com/svn/javadoc/latest/com/google/gwt/user/cellview/client/DataGrid.html
.
What I've done is adapting the
CwCustomDataGrid-examplehttp://gwt.googleusercontent.com/samples/Showcase/Showcase.html#%21CwCustomDataGridto
my needs and adding a Check all-column in the header. I'm using the
CheckboxColumn implementation from the accepted answer from here: -
StackOverflowhttp://stackoverflow.com/questions/8828271/handling-onclick-for-a-checkbox-in-a-celltable-header
This is how I add the valueChangeHandler to the column in the constructor
of my CustomHeaderBuilder:
checkboxHeader.addValueChangeHandler(new ValueChangeHandlerBoolean() {
// TODO: Fix, does not work :-/
@Override
public void onValueChange(ValueChangeEventBoolean event)
{
final boolean selected = event.getValue();
...
}
});
I've also tried several other places to register the handler before and
after the construction of the CustomHeaderBuilder without any effect.
The strange thing is that the CheckBoxColumn works flawlessly when not
using a custom built header. But the problem is that the column is not
propagating any events when used in combination with an
AbstractHeaderOrFooterBuilderhttp://code.google.com/p/google-web-toolkit/source/browse/trunk/user/src/com/google/gwt/user/cellview/client/AbstractHeaderOrFooterBuilder.java?r=10597
.
I debugged a lot already and can confirm that the handler gets registered
correctly and the column-instance used is definitely the same all the time.
Anyone has an idea what could prevent events from Cells / Columns in custom
built headers / footers?
Thanks
Alex
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How to the same MouseHandler to multiple components?
I have several same components that at this stage just perform the same
operation.
g:FocusPanel ui:field=panel
g:FocusPanel ui:field=panel2
g:FocusPanel ui:field=panel3
@UiField
FocusPanel panel, panel2, panel3;
@UiHandler(panel)
void handleClick(MouseDownEvent event) {
//...
}
@UiHandler(panel2)
void handleClick2(MouseDownEvent event) {
//...
}
@UiHandler(panel3)
void handleClick3(MouseDownEvent event) {
//...
}
So far so good, but how can I manually add a mouse handler inside a loop
like within the class constructor:
for (FocusPanel panel : panels) {
panel.addMouseDownHandler(new MouseDownHandler() {
@Override
public void onMouseDown(MouseDownEvent event) {
Window.alert(mouse down);
}
});
}
If I write this in the constructor of the java class, I'm getting
NullPointerException
at this stage where the handler is added to the panel.
Is there any way that I can add these kind of mouseHandlers in the
constructor? Or can elements bound via @UiField only be handlers attached
via @UiHandler??
Alternativly, do you know of any workaround of adding the same MouseHandler to
a bunch of objects as I'm trying in this example?
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How to add MouseHandler in constructor? (NPE)
I know I can just bind any ui component to any events by using @UiHandler
like this:
g:FocusPanel ui:field=panel
@UiField
FocusPanel panel;
@UiHandler(panel)
void handleClick(MouseDownEvent event) {
//...
}
So far so good, but how can I manually add a mouse handler within the
class constructor:
panel.addMouseDownHandler(new MouseDownHandler() { //NPE
@Override
public void onMouseDown(MouseDownEvent event) {
Window.alert(mouse down);
}
});
If I write this in the constructor of the java class, I'm getting
NullPointerException
at this stage where the handler is added to the panel.
What am I missing here?
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Re: DataGrid / CellTable: ValueChangeEvent from CheckBoxCell in a custom built header
CheckBoxColumn should be CheckboxHeader! Sorry for the confusion!
Am Freitag, 28. Dezember 2012 14:18:00 UTC+1 schrieb Alex opn:
Hello folks,
I've encountered a problem with a
CheckBoxCellhttp://google-web-toolkit.googlecode.com/svn/javadoc/latest/com/google/gwt/cell/client/CheckboxCell.htmlin
a custom built header for a
DataGridhttp://google-web-toolkit.googlecode.com/svn/javadoc/latest/com/google/gwt/user/cellview/client/DataGrid.html
.
What I've done is adapting the
CwCustomDataGrid-examplehttp://gwt.googleusercontent.com/samples/Showcase/Showcase.html#%21CwCustomDataGridto
my needs and adding a Check all-column in the header. I'm using the
CheckboxColumn implementation from the accepted answer from here: -
StackOverflowhttp://stackoverflow.com/questions/8828271/handling-onclick-for-a-checkbox-in-a-celltable-header
This is how I add the valueChangeHandler to the column in the constructor
of my CustomHeaderBuilder:
checkboxHeader.addValueChangeHandler(new ValueChangeHandlerBoolean() {
// TODO: Fix, does not work :-/
@Override
public void onValueChange(ValueChangeEventBoolean
event) {
final boolean selected = event.getValue();
...
}
});
I've also tried several other places to register the handler before and
after the construction of the CustomHeaderBuilder without any effect.
The strange thing is that the CheckBoxColumn works flawlessly when not
using a custom built header. But the problem is that the column is not
propagating any events when used in combination with an
AbstractHeaderOrFooterBuilderhttp://code.google.com/p/google-web-toolkit/source/browse/trunk/user/src/com/google/gwt/user/cellview/client/AbstractHeaderOrFooterBuilder.java?r=10597
.
I debugged a lot already and can confirm that the handler gets registered
correctly and the column-instance used is definitely the same all the time.
Anyone has an idea what could prevent events from Cells / Columns in
custom built headers / footers?
Thanks
Alex
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Attach multiple MouseHandlers to the same component via UiBinder?
Is there something to attach multiple Handlers to the same component?
Similar to the following (which is not valid of course, but you get it):
@UiHandler(myComponent)
void onMouseDown(MouseDownEvent ev | MouseOutEvent ev) {
//...
}
Or do I necessarily have to create 2 different handler methods?
@UiHandler(myComponent)
void onMouseDown(MouseDownEvent ev) {
//...
}
@UiHandler(myComponent)
void onMouseDown(MouseOutEvent ev) {
//...
}
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Re: How to add MouseHandler in constructor? (NPE)
In your constructor you have to do it after initWidget(uiBinder.createAndBindUi(this)); All your @UiField variables are filled by the call to uiBinder.createAndBindUi(this). Also if you use @UiField(provided = true) then you have to instantiate the field yourself before uiBinder.createAndBindUi(this) is called. -- J. -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/uSBcITe7AAIJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
RFED flushed context reaches server without nested entity changes
Hi GWT Gurus, I've been trying to get GWT RequestFactoryEditorDriver working for my entities with relationship - A contains a ListB. My editors display my data just fine now, and changes to a.name persist perfectly as well. Also, when I change the value of a b.name and do a driver.flush(), on inspecting the returned context in Eclipse, my change to b.name is present. However, when I context.fire() my saveAndReturn method, the server-side object doesn't contain my b.name change. How could this be happening? (I also posted my question on StackOverflow with detailed code snippets: http://stackoverflow.com/questions/14041275/request-factory-gwt-editor-change-isnt-persisting-related-jdo-entities ) Please do help! (I promise to write up a summary of my issues and solutions on my blog and link it back here once I've figured this out and can finally save my data!) Regards, Avanish -- Life is what you make of it Y. Avanish Raju, BTech, Computer Science and Engineering Biotechnology, ICFAI University, Dehradun -BEGIN GEEK CODE BLOCK- Version: 3.12 GCS/S/MU d- s:- a- C+++ UL+++ P+ L+++ E- W+ N- o? K- w+w++ !O !M !V PS++@ PE++ Y+@ PGP- t 5? X+ R tv b+++ DI+@ D+ G e++ h* r-- y --END GEEK CODE BLOCK-- -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: browser specific file names after GWT compilation ?
On Wednesday, December 26, 2012 6:21:09 PM UTC+1, ajay...@gmail.com wrote: GWT compiles java code in to html and java scripts. And it creates some files like B9409F85E92A0CC3FFD0D41AD0307BE5.cache.html (alphanumeric .cache.html). Is there a way to have these file names as fixed file names like ie9.cache.html or safari.cache.html ? Using a custom linker, yes. But that naming is a feature, on-purpose: https://developers.google.com/web-toolkit/doc/latest/DevGuideCompilingAndDebugging#perfect_caching -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/dFNjRfrfL1oJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: How to rewrite ClientBundle images to static uibinder images?
On Thursday, December 27, 2012 2:52:46 PM UTC+1, membersound wrote:
I know how to use images in general with uibinder, like:
.ui.xml:
g:Image resource='{res.image}' /
.java:
public interface Resources extends ClientBundle {
@Source(image.png)
@ImageOptions(repeatStyle = RepeatStyle.None)
ImageResource image();
}
But in case of static images, how can I use the same image in the same
way, but without having to write any java code? Just using uibinder?
Each UiBinder template defines an implicit ClientBundle. You can declare a
CssResource using ui:style, a DataResource with ui:data and an
ImageResource with ui:image:
ui:image field=image src=image.png repeatStyle=None/ (there's also
a flipRtl=true attribute; and just like the @Source is optional, src=
is optional too)
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Re: Cannot compile gtw maven plugin example from mojo.codehaus.org
See https://code.google.com/p/google-web-toolkit/wiki/WorkingWithMaven
Don't use the gwt-maven-plugin archetype as a starting point.
On Thursday, December 27, 2012 6:59:04 PM UTC+1, Anatoly Chervyakov wrote:
Hello folks
I am interested in learning GWT and I'd like to use Maven as a build tool
so I navigated to
http://mojo.codehaus.org/gwt-maven-plugin/user-guide/archetype.html and
created a test project.
I am using OSX 10.6.8, Eclipse 3.6.2, GWT Eclipse plugin 2.5.0 and here is
my pom.xml
?xml version=1.0 encoding=UTF-8?
project xmlns=http://maven.apache.org/POM/4.0.0; xmlns:xsi=
http://www.w3.org/2001/XMLSchema-instance;
xsi:schemaLocation=http://maven.apache.org/POM/4.0.0
http://maven.apache.org/maven-v4_0_0.xsd;
!-- POM file generated with GWT webAppCreator --
modelVersion4.0.0/modelVersion
groupIdse.anatoly.test/groupId
artifactIdtest/artifactId
packagingwar/packaging
version1.0-SNAPSHOT/version
nameGWT Maven Archetype/name
properties
!-- Convenience property to set the GWT version --
gwtVersion2.5.0/gwtVersion
!-- GWT needs at least java 1.5 --
webappDirectory${project.build.directory}/${project.build.finalName}/webappDirectory
project.build.sourceEncodingUTF-8/project.build.sourceEncoding
/properties
dependencies
dependency
groupIdcom.google.gwt/groupId
artifactIdgwt-servlet/artifactId
version${gwtVersion}/version
scoperuntime/scope
/dependency
dependency
groupIdcom.google.gwt/groupId
artifactIdgwt-user/artifactId
version${gwtVersion}/version
scopeprovided/scope
/dependency
dependency
groupIdjunit/groupId
artifactIdjunit/artifactId
version4.7/version
scopetest/scope
/dependency
dependency
groupIdjavax.validation/groupId
artifactIdvalidation-api/artifactId
version1.0.0.GA/version
scopetest/scope
/dependency
dependency
groupIdjavax.validation/groupId
artifactIdvalidation-api/artifactId
version1.0.0.GA/version
classifiersources/classifier
scopetest/scope
/dependency
/dependencies
build
!-- Generate compiled stuff in the folder used for developing
mode --
outputDirectory${webappDirectory}/WEB-INF/classes/outputDirectory
plugins
!-- GWT Maven Plugin --
plugin
groupIdorg.codehaus.mojo/groupId
artifactIdgwt-maven-plugin/artifactId
version2.5.0/version
executions
execution
goals
goalcompile/goal
goaltest/goal
goali18n/goal
goalgenerateAsync/goal
/goals
/execution
/executions
!-- Plugin configuration. There are many available
options, see gwt-maven-plugin
documentation at codehaus.org --
configuration
runTargettest.html/runTarget
hostedWebapp${webappDirectory}/hostedWebapp
i18nMessagesBundlese.anatoly.test.client.Messages/i18nMessagesBundle
/configuration
/plugin
!-- Copy static web files before executing gwt:run --
plugin
groupIdorg.apache.maven.plugins/groupId
artifactIdmaven-war-plugin/artifactId
version2.1.1/version
executions
execution
phasecompile/phase
goals
goalexploded/goal
/goals
/execution
/executions
configuration
webappDirectory${webappDirectory}/webappDirectory
/configuration
/plugin
plugin
groupIdorg.apache.maven.plugins/groupId
artifactIdmaven-compiler-plugin/artifactId
version2.3.2/version
configuration
source1.6/source
target1.6/target
/configuration
/plugin
/plugins
/build
/project
The problem:
when I execute mvn package the printout ends with BUILD SUCCESS but it
also contains this weird line (Ignored 80 units with compilation errors in
first pass.):
[INFO] --- gwt-maven-plugin:2.5.0:compile (default) @ test ---
[INFO] auto discovered modules [se.anatoly.test.test]
[INFO] Compiling module
Re: Protocol Buffers for GWT: Issue 2649
On Friday, December 28, 2012 12:33:19 AM UTC+1, Goktug Gokdogan wrote: On Fri, Dec 21, 2012 at 8:20 PM, Thomas Broyer t.br...@gmail.comjavascript: wrote: On Saturday, December 22, 2012 2:50:00 AM UTC+1, Goktug Gokdogan wrote: GWT's built-in library space is already bloated and getting harder to maintain. Inside GWT, we need to do less but do better. And good thing is, a lot of stuff doesn't need to be baked in; like the protocol buffers; it is a valuable feature but I personally don't see GWT having it as a first class citizen; at least in the near term. On the other hand we can definitely help out on removing any blockers and support anybody who would like to implement it as a 3rd party library. +1 Wondering what Google is doing though ;-) Are you somehow generating, say, RequestFactory ValueProxy-s from .proto files? It looks like what BobV was planning. There is compiler plugin that generates lightweight GWT emulations of the messages based on JavaScript overlays. On top of that, there is a custom RPC mechanism that mimics GWT RPC. Wire format is like JSON-RPC where 'params' is js array encoded protobuf. I think there has been multiple solutions but I guess this one got wider acceptance. Unfortunately, nobody actively working on it and not ready to open-source. Thanks. Looks a bit like what I did years ago to call REST-alike web services, except I coded everything by hand. Also looks a bit like gwt-json-rpc used by Gerrit, but interfaces and JSOs are hand-coded too. -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/1rV1RZB55M4J. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
JMockit compatible with GWTTestCase?
Hello all- I'm trying to use JMockit in a GWTTestCase (JUnit 3, for what it's worth) and I'm not having any luck. I have jmockit.jar on my classpath for the test, but when I run it, I get this error message: [ERROR] Line 50: No source code is available for type mockit.NonStrictExpectations; did you forget to inherit a required module? Line 50 is where I have my NonStrictExpectations declared in my test case. Right now, it's empty. I tried TRACE-level logging of the unit test run in Eclipse, and I get similar no source code available errors for other classes in the application GWT client code, but those are not under test and not in the same module as the code under test, so I don't think those are interfering. My classpath includes my Eclipse output dir, GWT jars, jmockit.jar and junit.jar. Is there something else that should be in the classpath? Thanks, JLS -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/o21Mtvckww4J. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: GWT Crawlable (SEO)
The servlet filter is only for the crawler and the crawler will not navigate your app using PlaceChangeEvents. The crawler just loads an URL that will hit your server and your servlet filter. If the bot finds a hyperlink like #!myPlace then it calls your server using http://domain.com/?_escaped_fragment_=myPlace; and thus hitting your server. If you have two servers (a dedicated web server for static content + application server) then you have to proxy the request to your application server as soon as the URL contains the _escaped_fragment_ query parameter, so that the server can generate a HTML snapshot on the fly or you have to pre-generate all possible snapshots and serve them directly from the dedicated web server (and update them regularly using a cron job). Basically your server needs to follow the spec described at: https://developers.google.com/webmasters/ajax-crawling/docs/specification -- J. -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/eYSMCKNDl9YJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: Vertical align elements in FlowPanel?
You may be able to do it with CSS, but FlowPanels are not meant for
controlling layout as you desire (centering). Can you try one of the other
Panels, like VerticalPanel or LayoutPanel?
On Friday, December 28, 2012 1:40:01 AM UTC-8, membersound wrote:
Hi,
how can I vertically center elements within a FlowPanel? I have several
FocusPanels inside a FlowPanel, which means they are stacked on each other.
One of the focuspanels has an image, which should be centered both
horizontally and vertically within that focuspanel. But no matter what I
tried, it is always placed at the top of this panel.
g:FlowPanel
g:FocusPanel
g:Image resource='{res.myimage}' /
/g:FocusPanel
g:FocusPanel
...
/g:FlowPanel
Can anyone help?
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Re: how to create columns with common header in data grid.
I wanted something similar but did it differently. I created a CellTable with just a header row above another CellTable. The top CellTable had an extra header and nothing else. On Thursday, December 27, 2012 3:14:27 AM UTC-8, shray rawat wrote: https://lh5.googleusercontent.com/-SA2dPCsyiG8/UNwthugGWXI/A2c/l1qY23f-GYo/s1600/TABLE.JPG === see the attached files for this question. I AM HAVING A,B,C AS MAIN HEADERS AND D,E,F,G AS THE SUB HEADERS UNDER C. how can i create these columns in data grid -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/VQNneE7qAF0J. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: How to know the css used by the datagrid header?
The style name is probably obfuscated. The default styles for CellTable are not in the standard.css with other GWT styles. You can find them in com.google.gwt.user.cellview.client.CellTable.css. If you want to change them, make a copy, change the styles, and pass it to your CellTable constructor. On Thursday, December 27, 2012 12:20:58 AM UTC-8, tong123123 wrote: I use F12 in IE9 or FF13 but still cannot see the css used by the datagrid header, I want to create a label with the css property (like the height, padding...) same as datagrid header, how to accomplish it? -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/uf2CBh0yzEsJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
JMockit compatible with GWTTestCase?
Its not compatible. Why do you need to mock things in a GWTTestCase? You normally do it in an ordinary JUnit Test to mock out classes that use GWT.create() or JSNI. -- J. -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/QarlLSFLWHEJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
