Examples with IModelProvider org.eclipse.wst.sse.ui.internal.IModelProvider used on opensource projects

Example 1 with IModelProvider

use of org.eclipse.wst.sse.ui.internal.IModelProvider in project webtools.sourceediting by eclipse.

the class StructuredTextEditor method tryToGetModel.

/**
 * <p>Attempts to get the {@link IStructuredModel} for the given {@link IEditorInput}</p>
 *
 * @param input the {@link IEditorInput} to try and get the {@link IStructuredModel} for
 *
 * @return The {@link IStructuredModel} associated with the given {@link IEditorInput} or
 * <code>null</code> if no associated {@link IStructuredModel} could be found.
 */
private IStructuredModel tryToGetModel(IEditorInput input) {
    IStructuredModel model = null;
    IDocument newDocument = getDocumentProvider().getDocument(input);
    if (newDocument instanceof IExecutionDelegatable) {
        ((IExecutionDelegatable) newDocument).setExecutionDelegate(new EditorExecutionContext(this));
    }
    // if we have a Model provider, get the model from it
    if (getDocumentProvider() instanceof IModelProvider) {
        model = ((IModelProvider) getDocumentProvider()).getModel(getEditorInput());
        if (!model.isShared()) {
            EditorModelUtil.addFactoriesTo(model);
        }
    } else if (newDocument instanceof IStructuredDocument) {
        // corresponding releaseFromEdit occurs in dispose()
        model = StructuredModelManager.getModelManager().getModelForEdit((IStructuredDocument) newDocument);
        EditorModelUtil.addFactoriesTo(model);
    }
    return model;
}

Example 2 with IModelProvider

use of org.eclipse.wst.sse.ui.internal.IModelProvider in project webtools.sourceediting by eclipse.

the class StructuredTextEditor method getModel.

/**
 * Returns this editor's StructuredModel.
 * <p>
 * Not API. Will be removed in the future.
 * </p>
 *
 * @return returns this editor's IStructuredModel
 * @deprecated - This method allowed for uncontrolled access to the model
 *             instance and will be removed in the future. It is
 *             recommended that the current document provider be asked for
 *             the current document and the IModelManager then asked for
 *             the corresponding model with
 *             getExistingModelFor*(IDocument). Supported document
 *             providers ensure that the document maps to a shared
 *             structured model.
 */
public IStructuredModel getModel() {
    IDocumentProvider documentProvider = getDocumentProvider();
    if (documentProvider == null) {
        // this indicated an error in startup sequence
        // $NON-NLS-1$ //$NON-NLS-2$
        Logger.trace(getClass().getName(), "Program Info Only: document provider was null when model requested");
    }
    // Remember if we entered this method without a model existing
    boolean initialModelNull = (fStructuredModel == null);
    if (fStructuredModel == null && documentProvider != null) {
        // CODE PATH
        if (documentProvider instanceof IModelProvider) {
            fStructuredModel = ((IModelProvider) documentProvider).getModel(getEditorInput());
            fisReleased = false;
        } else {
            IDocument doc = documentProvider.getDocument(getEditorInput());
            if (doc instanceof IStructuredDocument) {
                /*
					 * Called in this manner because getExistingModel can skip
					 * some calculations always performed in getModelForEdit
					 */
                IStructuredModel model = StructuredModelManager.getModelManager().getExistingModelForEdit(doc);
                if (model == null) {
                    model = StructuredModelManager.getModelManager().getModelForEdit((IStructuredDocument) doc);
                }
                fStructuredModel = model;
                fisReleased = false;
            }
        }
        EditorModelUtil.addFactoriesTo(fStructuredModel);
        if (initialModelNull && fStructuredModel != null) {
            /*
				 * DMW: 9/1/2002 -- why is update called here? No change has
				 * been indicated? I'd like to remove, but will leave for now
				 * to avoid breaking this hack. Should measure/breakpoint to
				 * see how large the problem is. May cause performance
				 * problems.
				 * 
				 * DMW: 9/8/2002 -- not sure why this was here initially, but
				 * the intent/hack must have been to call update if this was
				 * the first time fStructuredModel was set. So, I added the
				 * logic to check for that "first time" case. It would appear
				 * we don't really need. may remove in future when can test
				 * more.
				 */
            update();
        }
    }
    return fStructuredModel;
}

Example 3 with IModelProvider

use of org.eclipse.wst.sse.ui.internal.IModelProvider in project webtools.sourceediting by eclipse.

the class StructuredTextEditor method doSetInput.

/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.texteditor.AbstractTextEditor#doSetInput(org.eclipse.ui.IEditorInput)
	 */
protected void doSetInput(IEditorInput input) throws CoreException {
    IEditorInput oldInput = getEditorInput();
    if (oldInput != null) {
        IDocument olddoc = getDocumentProvider().getDocument(oldInput);
        if (olddoc != null && olddoc instanceof IExecutionDelegatable) {
            ((IExecutionDelegatable) olddoc).setExecutionDelegate(null);
        }
    }
    if (fStructuredModel != null && !(getDocumentProvider() instanceof IModelProvider)) {
        fStructuredModel.releaseFromEdit();
    }
    // attempt to get the model for the given input
    super.doSetInput(input);
    IStructuredModel model = tryToGetModel(input);
    /* if could not get the model prompt user to update content type
		 * if preferences allow, then try to get model again
		 */
    if (model == null && SSEUIPlugin.getDefault().getPreferenceStore().getBoolean(EditorPreferenceNames.SHOW_UNKNOWN_CONTENT_TYPE_MSG)) {
        if (fInitializationData != null && fInitializationData.containsKey(PREFERRED_CONTENT_TYPE_WHEN_UNSUPPORTED)) {
            IContentType contentType = Platform.getContentTypeManager().getContentType(fInitializationData.get(PREFERRED_CONTENT_TYPE_WHEN_UNSUPPORTED).toString());
            if (contentType != null && !StringUtils.contains(contentType.getFileSpecs(IContentTypeSettings.FILE_NAME_SPEC), input.getName(), false)) {
                /*
					 * Display a dialog informing user of unknown content type,
					 * offering to update preferences for them
					 */
                UnknownContentTypeDialog2 dialog = new UnknownContentTypeDialog2(getSite().getShell(), SSEUIPlugin.getDefault().getPreferenceStore(), input.getName(), contentType);
                dialog.open();
            }
        } else {
            /*
				 * Display a dialog informing user of unknown content type,
				 * giving them chance to update preferences
				 */
            UnknownContentTypeDialog dialog = new UnknownContentTypeDialog(getSite().getShell(), SSEUIPlugin.getDefault().getPreferenceStore(), EditorPreferenceNames.SHOW_UNKNOWN_CONTENT_TYPE_MSG);
            dialog.open();
        }
        // try to get model again in hopes user updated preferences
        super.doSetInput(input);
        model = tryToGetModel(input);
        // still could not get the model to open this editor, so log
        if (model == null) {
            logUnexpectedDocumentKind(input);
        }
    }
    if (fStructuredModel != null || model != null) {
        setModel(model);
    }
    if (getInternalModel() != null) {
        updateEditorControlsForContentType(getInternalModel().getContentTypeIdentifier());
    } else {
        updateEditorControlsForContentType(null);
    }
    // start editor with smart insert mode
    setInsertMode(SMART_INSERT);
}