de.babe.eclipse.plugins.quickREx.dialogs.OrganizeREsDialog.java Source code

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Here is the source code for de.babe.eclipse.plugins.quickREx.dialogs.OrganizeREsDialog.java

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/*******************************************************************************
 * Copyright (c) 2005 Bastian Bergerhoff 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.
 * 
 * Contributors:
 *     Bastian Bergerhoff - initial API and implementation
 *******************************************************************************/
package de.babe.eclipse.plugins.quickREx.dialogs;

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.swt.SWT;
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.List;
import org.eclipse.swt.widgets.Shell;

import de.babe.eclipse.plugins.quickREx.Messages;
import de.babe.eclipse.plugins.quickREx.QuickRExPlugin;

/**
 * @author bastian.bergerhoff
 */
public class OrganizeREsDialog extends Dialog {

    private Label messageLabel;

    private List reList;

    private static final int DELETE_BUTTON_ID = Integer.MAX_VALUE - 1;

    /**
     * The constructor
     * 
     * @param p_parentShell
     */
    public OrganizeREsDialog(Shell p_parentShell) {
        super(p_parentShell);
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.eclipse.jface.dialogs.Dialog#createButtonsForButtonBar(org.eclipse.swt.widgets.Composite)
     */
    protected void createButtonsForButtonBar(Composite parent) {
        createButton(parent, DELETE_BUTTON_ID, Messages.getString("dialogs.OrganizeREsDialog.button.delete"), //$NON-NLS-1$
                false);
        createButton(parent, IDialogConstants.CANCEL_ID,
                Messages.getString("dialogs.OrganizeREsDialog.button.close"), true); //$NON-NLS-1$
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)
     */
    protected Control createDialogArea(Composite parent) {
        getShell().setText(Messages.getString("dialogs.OrganizeREsDialog.title")); //$NON-NLS-1$
        // create a composite with standard margins and spacing
        Composite composite = new Composite(parent, SWT.NONE | SWT.RESIZE);
        GridLayout layout = new GridLayout();
        layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
        layout.marginWidth = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
        layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
        layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
        layout.numColumns = 2;
        composite.setLayout(layout);
        composite.setLayoutData(new GridData(GridData.FILL_BOTH));
        applyDialogFont(composite);
        messageLabel = new Label(composite, SWT.NULL);
        messageLabel.setText(Messages.getString("dialogs.OrganizeREsDialog.messageLabel1")); //$NON-NLS-1$
        GridData gd = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
        gd.grabExcessHorizontalSpace = true;
        gd.horizontalSpan = 2;
        gd.widthHint = 400;
        messageLabel.setLayoutData(gd);
        Label nameLabel = new Label(composite, SWT.NULL);
        nameLabel.setText(Messages.getString("dialogs.OrganizeREsDialog.nameLabel1")); //$NON-NLS-1$
        gd = new GridData(GridData.VERTICAL_ALIGN_BEGINNING);
        gd.grabExcessHorizontalSpace = false;
        nameLabel.setLayoutData(gd);
        reList = new List(composite, SWT.MULTI | SWT.V_SCROLL);
        gd = new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_BEGINNING);
        gd.grabExcessHorizontalSpace = true;
        gd.grabExcessVerticalSpace = true;
        gd.heightHint = 100;
        reList.setLayoutData(gd);
        reList.setItems(QuickRExPlugin.getDefault().getRegularExpressions());
        return composite;
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.eclipse.jface.dialogs.Dialog#cancelPressed()
     */
    protected void cancelPressed() {
        this.close();
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.eclipse.jface.dialogs.Dialog#buttonPressed(int)
     */
    protected void buttonPressed(int buttonId) {
        super.buttonPressed(buttonId);
        if (DELETE_BUTTON_ID == buttonId) {
            deletePressed();
        }
    }

    private void deletePressed() {
        if (reList.getSelection() == null || reList.getSelection().length == 0) {
            messageLabel.setText(Messages.getString("dialogs.OrganizeREsDialog.messageLabel2")); //$NON-NLS-1$
            messageLabel.redraw();
            return;
        } else {
            QuickRExPlugin.getDefault().deleteRegularExpressions(reList.getSelection());
            reList.setItems(QuickRExPlugin.getDefault().getRegularExpressions());
            messageLabel.setText(Messages.getString("dialogs.OrganizeREsDialog.messageLabel3")); //$NON-NLS-1$
            messageLabel.redraw();
        }
    }

}