com.clustercontrol.dialog.TextAreaDialog.java Source code

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Here is the source code for com.clustercontrol.dialog.TextAreaDialog.java

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/*
    
Copyright (C) 2006 NTT DATA Corporation
    
This program is free software; you can redistribute it and/or
Modify it under the terms of the GNU General Public License
as published by the Free Software Foundation, version 2.
    
This program is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied
warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.  See the GNU General Public License for more details.
    
 */

package com.clustercontrol.dialog;

import org.eclipse.jface.dialogs.IDialogConstants;
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.Shell;
import org.eclipse.jface.text.Document;
import org.eclipse.jface.text.IDocumentExtension3;
import org.eclipse.jface.text.ITextViewer;
import org.eclipse.jface.text.TextViewer;
import org.eclipse.jface.text.hyperlink.DefaultHyperlinkPresenter;
import org.eclipse.jface.text.hyperlink.IHyperlinkDetector;
import org.eclipse.jface.text.hyperlink.URLHyperlinkDetector;
import org.eclipse.jface.text.presentation.PresentationReconciler;

import com.clustercontrol.util.Messages;

/**
 * ?????<BR>
 * 
 * @version 2.0.0
 * @since 2.0.0
 */
public class TextAreaDialog extends CommonDialog {

    // ----- instance  ----- //

    /** ??/?? */
    private boolean m_modify = false;
    private boolean editable = true;

    /**  */
    private TextViewer m_text = null;

    /** ? */
    private String m_title = Messages.getString("text");

    /** ?? */
    private String m_displayString = null;

    private String okButtonText = Messages.getString("ok");
    private String cancelButtonText = Messages.getString("cancel");

    // -----  ----- //

    /**
     * ????
     * 
     * @param parent
     *            ??
     * @param title
     *            ?
     * @param modify
     *            true: OK/CANCEL, false: CANCEL
     * @param editable
     *            ?
     */
    public TextAreaDialog(Shell parent, String title, boolean modify) {
        super(parent);
        setShellStyle(getShellStyle() | SWT.RESIZE | SWT.MAX);
        if (title != null) {
            this.m_title = title;
        }
        this.m_modify = modify;
        this.editable = true;
    }

    public TextAreaDialog(Shell parent, String title, boolean modify, boolean editable) {
        super(parent);
        setShellStyle(getShellStyle() | SWT.RESIZE | SWT.MAX);
        if (title != null) {
            this.m_title = title;
        }
        this.m_modify = modify;
        this.editable = editable;
    }

    // ----- instance  ----- //

    @Override
    protected Point getInitialSize() {
        return new Point(600, 600);
    }

    @Override
    protected void customizeDialog(Composite parent) {
        // 
        parent.getShell().setText(m_title);

        GridLayout layout = new GridLayout(1, true);
        parent.setLayout(layout);
        layout.marginHeight = 3;
        layout.marginWidth = 3;

        // 
        this.m_text = new TextViewer(parent, SWT.MULTI | SWT.BORDER | SWT.WRAP | SWT.H_SCROLL | SWT.V_SCROLL);
        GridData gridData = new GridData();
        gridData.horizontalSpan = 1;
        gridData.horizontalAlignment = GridData.FILL;
        gridData.verticalAlignment = GridData.FILL;
        gridData.grabExcessHorizontalSpace = true;
        gridData.grabExcessVerticalSpace = true;
        this.m_text.getTextWidget().setLayoutData(gridData);
        this.m_text.setDocument(new Document(m_displayString), 0, m_displayString.length());
        this.m_text.getTextWidget().setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
        this.m_text.setEditable(m_modify && editable);

        // ?
        PresentationReconciler reconciler = new PresentationReconciler();
        reconciler.setDocumentPartitioning(IDocumentExtension3.DEFAULT_PARTITIONING);
        reconciler.install((ITextViewer) this.m_text);
        this.m_text.setHyperlinkPresenter(
                new DefaultHyperlinkPresenter(parent.getDisplay().getSystemColor(SWT.COLOR_BLUE)));
        this.m_text.setHyperlinkDetectors(new IHyperlinkDetector[] { new URLHyperlinkDetector() }, SWT.NONE);
    }

    /**
     * 
     * 
     * @param displayString
     */
    public void setText(String displayString) {
        this.m_displayString = displayString;
    }

    /**
     * ?
     * 
     * @return
     */
    public String getText() {
        return this.m_displayString;
    }

    public void setOkButtonText(String str) {
        okButtonText = str;
    }

    public void setCancelButtonText(String str) {
        cancelButtonText = str;
    }

    @Override
    protected String getOkButtonText() {
        return okButtonText;
    }

    @Override
    protected String getCancelButtonText() {
        return cancelButtonText;
    }

    /*
     * (? Javadoc)
     * 
     * @see com.clustercontrol.dialog.CommonDialog#validate()
     */
    @Override
    protected ValidateResult validate() {
        this.m_displayString = this.m_text.getDocument().get();
        return null;
    }

    /**
     * ????
     * 
     * @param parent
     *            ??
     */
    @Override
    protected void createButtonsForButtonBar(Composite parent) {

        if (this.m_modify) {
            super.createButtonsForButtonBar(parent);
        } else {
            // ?
            this.createButton(parent, IDialogConstants.CANCEL_ID, Messages.getString("ok"), false);
        }
    }
}