Laboratoire ICAR » Plateforme TXM

package org.txm.backtomedia.commands.function;

import org.eclipse.core.commands.AbstractHandler;

import org.eclipse.core.commands.ExecutionEvent;

import org.eclipse.core.commands.ExecutionException;

import org.eclipse.jface.viewers.ISelection;

import org.eclipse.jface.viewers.StructuredSelection;

import org.eclipse.swt.widgets.Display;

import org.eclipse.swt.widgets.Shell;

import org.eclipse.ui.handlers.HandlerUtil;

import org.osgi.service.prefs.BackingStoreException;

import org.txm.backtomedia.preferences.BackToMediaPreferences;

import org.txm.objects.CorpusCommandPreferences;

import org.txm.searchengine.cqp.corpus.MainCorpus;

public class MediaPreferences extends AbstractHandler  {

	@Override

	public Object execute(ExecutionEvent event) throws ExecutionException {

		ISelection isel = HandlerUtil.getCurrentSelection(event);

		if (isel instanceof StructuredSelection) {

			StructuredSelection sel = (StructuredSelection)isel;

			Object o = sel.getFirstElement();

			if (o instanceof MainCorpus) {

				openPreferences((MainCorpus)o);

			}

		}

		return null;

	}

	public static boolean openPreferences(MainCorpus corpus) {

		Display d = Display.getCurrent();

		if (d == null) {

			return false;

		}

		Shell s = d.getActiveShell();

		MediaPreferencesDialog dialog = new MediaPreferencesDialog(s, corpus);

		if (dialog.open() == MediaPreferencesDialog.OK) {

			CorpusCommandPreferences commandPreferences = corpus.getProject().getCommandPreferences("backtomedia");

			for (String p : MediaPreferencesDialog.properties) {

				commandPreferences.set(p, dialog.getProperty(p));

			}

			try {

				commandPreferences.getNode().flush();

			} catch (BackingStoreException e) {

				e.printStackTrace();

				return false;

			}

			System.out.println("Media preferences updated with "+dialog.getProperties());

			return true;

		} else {

			System.out.println("Canceled.");

			return false;

		}

	}

}

package org.txm.backtomedia.commands.function;

import java.util.HashMap;

import org.eclipse.jface.dialogs.Dialog;

import org.eclipse.swt.SWT;

import org.eclipse.swt.graphics.Point;

import org.eclipse.swt.layout.GridData;

import org.eclipse.swt.layout.GridLayout;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Control;

import org.eclipse.swt.widgets.Label;

import org.eclipse.swt.widgets.Shell;

import org.eclipse.swt.widgets.Text;

import org.txm.backtomedia.preferences.BackToMediaPreferences;

import org.txm.core.preferences.TXMPreferences;

import org.txm.objects.CorpusCommandPreferences;

import org.txm.searchengine.cqp.corpus.MainCorpus;

public class MediaPreferencesDialog extends Dialog {

	public static String[] properties = {BackToMediaPreferences.STRUCTURE_START_PROPERTY, 

			BackToMediaPreferences.STRUCTURE_END_PROPERTY, 

			BackToMediaPreferences.STRUCTURE, 

			BackToMediaPreferences.WORD_PROPERTY, 

			BackToMediaPreferences.SYNCMODE, 

			BackToMediaPreferences.MEDIA_DIRECTORY, 

			BackToMediaPreferences.MEDIA_FORMAT };

	HashMap<String, Text> fields = new HashMap<String, Text>();

	HashMap<String, String> values = new HashMap<String, String>();

	MainCorpus corpus;

	protected MediaPreferencesDialog(Shell parentShell, MainCorpus corpus) {

		super(parentShell);

		this.corpus = corpus;

	}

	public HashMap<String, String> getProperties() {

		return values;

	}

	public String getProperty(String p) {

		return values.get(p);

	}

	@Override

    protected Control createDialogArea(Composite parent) {

        Composite container = (Composite) super.createDialogArea(parent);

        Composite c = new Composite(container, SWT.NONE);

        c.setLayout(new GridLayout(2, true));

        CorpusCommandPreferences commandPreferences = corpus.getProject().getCommandPreferences("backtomedia");

        TXMPreferences alternative = BackToMediaPreferences.getInstance();

        for (String p : properties) {

        	new Label(c, SWT.NONE).setText(p);

        	Text t = new Text(c, SWT.BORDER);

        	t.setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, false));

        	t.setText(commandPreferences.get(p, alternative));

        	fields.put(p, t);

        }

        return container;

    }

    // overriding this methods allows you to set the

    // title of the custom dialog

    @Override

    protected void configureShell(Shell newShell) {

        super.configureShell(newShell);

        newShell.setText("Media preferences");

    }

//    @Override

//    protected Point getInitialSize() {

//        return new Point(450, 300);

//    }

    @Override

    protected void okPressed() {

        for (String p : properties) {

        	values.put(p, fields.get(p).getText());

        }

        super.okPressed();

    }

}

      <menuContribution

            locationURI="menu:menu.edit?after=org.txm.rcp.separator1">

         <command

               commandId="org.txm.backtomedia.commands.function.MediaPreferences"

               style="push">

         </command>

      </menuContribution>

      <command

            defaultHandler="org.txm.backtomedia.commands.function.MediaPreferences"

            id="org.txm.backtomedia.commands.function.MediaPreferences"

            name="Open media preferences">

      </command>