AbstractExportTab.java :  » IDE-Eclipse » Eclipse-plug-in-development » org » eclipse » pde » internal » ui » wizards » exports » Java Open Source

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Eclipse plug in development » org » eclipse » pde » internal » ui » wizards » exports » AbstractExportTab.java
/*******************************************************************************
 * Copyright (c) 2005, 2006 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.pde.internal.ui.wizards.exports;

import org.eclipse.jface.dialogs.IDialogSettings;
import org.eclipse.pde.internal.ui.PDEPlugin;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.FileDialog;

public abstract class AbstractExportTab {
  
  protected AbstractExportWizardPage fPage;
  
  public AbstractExportTab(AbstractExportWizardPage page) {
    fPage = page;
  }
  
  protected abstract Control createControl(Composite parent);

  protected abstract void initialize(IDialogSettings settings);
  
  protected abstract void saveSettings(IDialogSettings settings);

  protected void initializeCombo(IDialogSettings settings, String key, Combo combo) {
    for (int i = 0; i < 6; i++) {
      String curr = settings.get(key + String.valueOf(i));
      if (curr != null && combo.indexOf(curr) == -1) {
        combo.add(curr);
      }
    }
    if (combo.getItemCount() > 0)
      combo.setText(combo.getItem(0));
  }

  protected void saveCombo(IDialogSettings settings, String key, Combo combo) {
    if (combo.getText().trim().length() > 0) {
      settings.put(key + String.valueOf(0), combo.getText().trim());
      String[] items = combo.getItems();
      int nEntries = Math.min(items.length, 5);
      for (int i = 0; i < nEntries; i++) {
        settings.put(key + String.valueOf(i + 1), items[i].trim());
      }
    }  
  }
  
  protected void chooseFile(Combo combo, String filter) {
    FileDialog dialog = new FileDialog(fPage.getShell(), SWT.SAVE);
    String path = combo.getText();
    if (path.trim().length() == 0)
      path = PDEPlugin.getWorkspace().getRoot().getLocation().toString();
    dialog.setFileName(path);
    dialog.setFilterExtensions(new String[] { filter });
    String res = dialog.open();
    if (res != null) {
      if (combo.indexOf(res) == -1)
        combo.add(res, 0);
      combo.setText(res);
    }
  }


}
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