com.siteview.mde.internal.ui.editor.targetdefinition.InformationSection.java Source code

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Here is the source code for com.siteview.mde.internal.ui.editor.targetdefinition.InformationSection.java

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/*******************************************************************************
 * Copyright (c) 2009 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 com.siteview.mde.internal.ui.editor.targetdefinition;

import org.eclipse.jface.dialogs.IMessageProvider;
import com.siteview.mde.internal.core.target.provisional.ITargetDefinition;
import com.siteview.mde.internal.ui.MDEUIMessages;
import com.siteview.mde.internal.ui.editor.FormLayoutFactory;
import com.siteview.mde.internal.ui.editor.validation.ControlValidationUtility;
import com.siteview.mde.internal.ui.editor.validation.TextValidator;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.forms.SectionPart;
import org.eclipse.ui.forms.editor.FormPage;
import org.eclipse.ui.forms.widgets.*;

/**
 * Section for editing target name and description in the target definition editor
 * @see DefinitionPage
 * @see TargetEditor
 */
public class InformationSection extends SectionPart {

    private Text fNameText;
    private TargetEditor fEditor;

    private TextValidator fNameTextValidator;
    private FormPage fPage;

    public InformationSection(FormPage page, Composite parent) {
        super(parent, page.getManagedForm().getToolkit(), Section.DESCRIPTION | ExpandableComposite.TITLE_BAR);
        fPage = page;
        fEditor = (TargetEditor) page.getEditor();
        createClient(getSection(), page.getEditor().getToolkit());
    }

    /**
     * @return The target model backing this editor
     */
    private ITargetDefinition getTarget() {
        return fEditor.getTarget();
    }

    /**
     * Creates the UI for this section.
     * 
     * @param section section the UI is being added to
     * @param toolkit form toolkit used to create the widgets
     */
    protected void createClient(Section section, FormToolkit toolkit) {
        section.setLayout(FormLayoutFactory.createClearGridLayout(false, 1));
        GridData data = new GridData(GridData.FILL_HORIZONTAL);
        data.verticalAlignment = SWT.TOP;
        data.horizontalSpan = 2;
        section.setLayoutData(data);

        section.setText(MDEUIMessages.InformationSection_0);
        section.setDescription(MDEUIMessages.InformationSection_1);

        Composite client = toolkit.createComposite(section);
        client.setLayout(FormLayoutFactory.createSectionClientGridLayout(false, 2));
        client.setLayoutData(new GridData(GridData.FILL_BOTH));

        fNameText = toolkit.createText(client, getTarget().getName());
        fNameText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        fNameText.addModifyListener(new ModifyListener() {
            public void modifyText(ModifyEvent e) {
                String value = fNameText.getText().trim();
                getTarget().setName(value.length() > 0 ? value : null);
                markDirty();
            }
        });

        fNameTextValidator = new TextValidator(fPage.getManagedForm(), fNameText, null, true) {

            protected boolean autoEnable() {
                if (getText().getEditable() == false) {
                    return false;
                }
                return true;
            }

            protected boolean validateControl() {
                return ControlValidationUtility.validateRequiredField(fNameText.getText(), fNameTextValidator,
                        IMessageProvider.ERROR);
            }
        };
        toolkit.paintBordersFor(client);
        section.setClient(client);
    }

    /* (non-Javadoc)
     * @see org.eclipse.ui.forms.AbstractFormPart#refresh()
     */
    public void refresh() {
        fNameText.setText(getTarget().getName() != null ? getTarget().getName() : ""); //$NON-NLS-1$
        super.refresh();
    }

}