Hi,
I'm new on netbeans RCP. I created my custom TopComponents with some
annotations as follow :
@ConvertAsProperties(
dtd = "-//project.editor.hmi//EditorShape//EN",
autostore = false
)
@TopComponent.Description(
preferredID = "EditorShapeTopComponent",
iconBase = "project/editor/shape_24.png",
persistenceType = TopComponent.PERSISTENCE_ALWAYS
)
//@TopComponent.Registration(mode<mailto://@TopComponent.Registration(mode> =
"leftSlidingSide", openAtStartup = true)
@ActionID(category = "Window", id =
"project.editor.hmi.EditorShapeTopComponent")
//@ActionReference(path = "Menu/Window" /*, position = 333 */)
@TopComponent.OpenActionRegistration(
displayName = "#CTL_EditorShapeAction",
preferredID = "EditorShapeTopComponent"
)
@Messages({
"CTL_EditorShapeAction=Formes",
"CTL_EditorShapeTopComponent=Formes",
"HINT_EditorShapeTopComponent=Formes simples importables"
})
public final class EditorShapeTopComponent extends TopComponent {
...
}
I have a configuration file (properties file) in which a parameter tells if the
TopComponent must be activated or not.
To manage the visibility of the TopComponent, I do that :
public GlobalActionContextProxy() {
...
WindowManager.getDefault().invokeWhenUIReady(new
Runnable() {
@Override
public void run() {
// Hack to force the current
Project selection when the application starts up
TopComponent tc =
WindowManager.getDefault().findTopComponent(PROJECT_LOGICAL_TAB_ID);
if (tc != null) {
tc.requestActive();
}
SwingUtilities.invokeLater(new
Runnable() {
@Override
public void run() {
// Reads the
configuration file.
Configuration
configuration = CentralLookup.getDefault().lookup(Configuration.class);
// Here we check that the
parameter is the configuration file is to true.
if
(configuration.getBoolean("withImages", false) == true) {
// Adds to Menu.
FileObject menuFolder = FileUtil.getConfigFile("Menu/Window");
try {
registerAction(SycloneEditorImagePaletteTopComponent.class,
Bundle.LBL_SycloneEditorImagePaletteTopComponent(), new
ImageIcon(getClass().getResource("/fr/clemessy/ast/syclone/project/synoptic/editor/img_24.png")),
menuFolder, 333);
}
catch (IOException ex) {
Exceptions.printStackTrace(ex);
}
// Adds to left dock.
if (!isTopComponentInUserDirCache(SycloneEditorImagePaletteTopComponent.class))
{
SycloneEditorImagePaletteTopComponent tcPalette = new
SycloneEditorImagePaletteTopComponent();
Mode leftSideMode =
WindowManager.getDefault().findMode("leftSlidingSide");
leftSideMode.dockInto(tcPalette);
tcPalette.open();
}
} else {
// Removes the file from the cache : avoid it to be reopened by the persistence
manager.
removeTopComponentInUserDirCache(SycloneEditorImagePaletteTopComponent.class);
}
}
});
}
});
}
The method isTopComponentInUserDirCache is as follow :
/**
* Checks if a component appears in the userdir cache of
Netbeans.
*
* @param <T> : child class of TopComponent.
* @param classType : class type.
* @return true if the component is in the cache, false
otherwise.
*/
private <T extends TopComponent> boolean
isTopComponentInUserDirCache(final Class<T> classType) {
boolean isInCache = false;
// Gets the directory which contains cache on
Components.
Path compDirPath =
getUserDirComponentsSettingPath();
// It the directory exists, checks if the
component has already been opened.
File compDirFile = compDirPath.toFile();
if (compDirFile.exists()) {
// Gets the files referencing
the component.
File[] compFiles =
compDirFile.listFiles(new FilenameFilter() {
@Override
public boolean
accept(File dir, String name) {
StringBuilder filenameMatcher = new StringBuilder("^");
filenameMatcher.append(classType.getSimpleName());
filenameMatcher.append("(_\\d*)?");
filenameMatcher.append(".settings$");
return name != null && name.matches(filenameMatcher.toString());
}
});
// If there is at least 1 file,
the component has already been opened.
if (compFiles != null &&
compFiles.length > 0) {
isInCache = true;
}
}
return isInCache;
}
With this solution, it seems to work but it is not very clean. And when I
change the language, the menu item (linked to the TopComponent), which is read
from the cache, is not translated.
How could I do it in a cleanest way ?
The only reason I don't use annotations on the TopComponent is because I need
to tell "open the TopComponent only if it is defined in the configuration file"
: is there a way to do it properly ?
Thanks,
Bastien
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