Stefan,
Databases aren't files so wouldn't be loaded by the Open File Plugin
I'll have a look at the Pirol stuff to see what is there.
I saw Michael's MIF plugin has some options.
Paul
Stefan Steiniger wrote:
>> 2. FileDataSourceQueryChooser that register with the
>> DataSourceQueryChooserManager will automatically get added. The only one
>> caveat is that I have no way to automatically get the options panel
>> fields if one is defined for that type. Other than GML can you think of
>> any plugins that require options?
>>
>
> not sure.. but database connections need options - i think (see postgis
> plugin from Uwe on sourceforge, i.e. the one that can also write back)
> I think one can change this, but i don't know if other people developes
> other plugins.. i.e. for raster files the Pirol-Image plugin should be
> checked.
>
> just some thoughts.. i haven't checked any of those - so i may be wrong
>
> stefan
>
>
>> List loadChoosers =
>> DataSourceQueryChooserManager.get(workbenchContext.getBlackboard()).getLoadDataSourceQueryChoosers();
>> for (Object chooser : loadChoosers) {
>> if (chooser instanceof FileDataSourceQueryChooser) {
>> FileDataSourceQueryChooser fileChooser =
>> (FileDataSourceQueryChooser)chooser;
>> Class dataSourceClass = fileChooser.getDataSourceClass();
>> String description = fileChooser.getDescription();
>> List<String> extensions =
>> Arrays.asList(fileChooser.getExtensions());
>> DataSourceFileLoader fileLoader = new
>> DataSourceFileLoader(workbenchContext, null, description, extensions);
>> registry.createEntry(FileLoader.KEY, fileLoader);
>> }
>> }
>>
>> Paul
>>
>> Stefan Steiniger wrote:
>>
>>> Yep.. sounds and looks interesting.
>>>
>>> but two questions/comments:
>>>
>>> - what about skiping any further dialog - e.g. if jml or shape files
>>> should be loaded without any reference system info necessary. Is that
>>> possible.
>>>
>>> - how can we integrate the external plugins that deliver functionality
>>> such as dxf, mif, or PostGIS support. The problem here is that
>>> everything needs still to be the same as previously.
>>>
>>> stefan
>>>
>>> Paul Austin schrieb:
>>>
>>>
>>>> All,
>>>>
>>>> I have now implemented what I think should be the 'Open File...' menu
>>>> item in the File menu which will allow uses to open files and add them
>>>> as layers to the current Project.
>>>>
>>>> This first screen shot shows the first page of the wizard where you can
>>>> select the File type (or leave it as All Files) and then select one or
>>>> more files to load.
>>>>
>>>>
>>>>
>>>> If All files was selected as the file filter and one or more of the file
>>>> extensions could be loaded by more than one file loader (e.g. *.xml can
>>>> be loaded by the GML Loader and FME GML Loader) then the following
>>>> wziard panel will be displayed when you select the Next button on the
>>>> previous page. This will allow you to select which loader to use for
>>>> each extension.
>>>>
>>>>
>>>>
>>>> If you uncheck the Use the same Settings for say *.xml you can select
>>>> the specific loader to use for each file as shown below.
>>>>
>>>>
>>>>
>>>> Some file loaders have options (e.g. GML loader requires a template
>>>> file) if the loader has options these will be displayed on the next
>>>> wizard page. If no loaders have options then this page will not be
>>>> displayed. This is where we could add in options for the SRS ID to use
>>>> for the loaded data set. Options that are required will not allow the
>>>> finish button to be selected until a value is specified.
>>>>
>>>>
>>>>
>>>> Again if you uncheck the Use same setting for all XXX then you can
>>>> define the options on a per file basis as shown below.
>>>>
>>>>
>>>>
>>>> This new infrastructure also handles ZIP, GZ, tar and tar.gz, files by
>>>> looking at the contents of the zip file and finding the appropriate file
>>>> loader for that type of file. You can mix and match different types of
>>>> file in the zip file (e.g. TIF, SHP and GML) and each file will be loaded.
>>>>
>>>> The FileLoader interface (attached) is implemented by loaders that can
>>>> load a file from a URI. There are implementations to wrap the file
>>>> DataSource and file ReferencedImageFactory implementations so they can
>>>> be loaded using the new framework.
>>>>
>>>> The following code fragments show how these existing classes are wrapped
>>>>
>>>> DataSourceFileLoader gmlLoader = addStandardReaderWriterFileDataSource(
>>>> "GML 2.0", StandardReaderWriterFileDataSource.GML.class);
>>>>
>>>> gmlLoader.addOptionField(
>>>> StandardReaderWriterFileDataSource.GML.INPUT_TEMPLATE_FILE_KEY,
>>>> "FileString", true);
>>>>
>>>> addFactory(new GraphicImageFactory(), new String[] {"wld", "bpw",
>>>> "jpw", "gfw"});
>>>> :
>>>>
>>>> private DataSourceFileLoader addStandardReaderWriterFileDataSource(
>>>> String description, Class readerClass) {
>>>> List extensions = getExtensions(readerClass);
>>>> if (extensions != null) {
>>>> DataSourceFileLoader fileLoader = new DataSourceFileLoader(
>>>> workbenchContext, readerClass, description, extensions);
>>>> registry.createEntry(FileLoader.KEY, fileLoader);
>>>> return fileLoader;
>>>> }
>>>> return null;
>>>> }
>>>>
>>>> private List getExtensions(Class readerClass) {
>>>> try {
>>>> String[] extensions =
>>>> ((StandardReaderWriterFileDataSource)readerClass.newInstance()).getExtensions();
>>>> return Arrays.asList(extensions);
>>>> } catch (Exception e) {
>>>>
>>>> workbenchContext.getWorkbench().getFrame().log(StringUtil.stackTrace(e));
>>>> return null;
>>>> }
>>>> }
>>>>
>>>> private void addFactory(ReferencedImageFactory factory, String[]
>>>> supportFileExtensions) {
>>>> if (factory.isAvailable()) {
>>>> ReferencedImageFactoryFileLoader loader = new
>>>> ReferencedImageFactoryFileLoader(
>>>> workbenchContext, factory, supportFileExtensions);
>>>> registry.createEntry(FileLoader.KEY, loader);
>>>> }
>>>> }
>>>>
>>>>
>>>> I'm going to bundle up a plugin so people can try this out and if they
>>>> like it I'll start work on getting it ready to commit.
>>>>
>>>> Paul
>>>>
>>>>
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