org.radrails.rails.internal.ui.actions.mvc.ViewSelectionDialog.java Source code

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Here is the source code for org.radrails.rails.internal.ui.actions.mvc.ViewSelectionDialog.java

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/*******************************************************************************
 * Copyright (c) 2005 RadRails.org and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *******************************************************************************/
package org.radrails.rails.internal.ui.actions.mvc;

import org.eclipse.core.resources.IProject;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
import org.radrails.rails.internal.core.RailsPlugin;

import com.aptana.rdt.core.gems.Version;

/**
 * Selection dialog for view types. Used by the ViewAction to solicit input from the user.
 * 
 * @author mkent
 */
public class ViewSelectionDialog extends MessageDialog {

    private String[] viewChoices;
    private Combo views;
    private String selectionText;
    private IProject project;

    /**
     * Constructor. Initializes the contents of the selection list.
     * 
     * @param parentShell
     *            the parent shell
     * @param project
     * @param fileName
     *            the name of the view to create
     */
    protected ViewSelectionDialog(Shell parentShell, IProject project, String fileName) {
        super(parentShell, "Confirm view creation", null, "Select the view to create:", QUESTION,
                new String[] { IDialogConstants.OK_LABEL, IDialogConstants.CANCEL_LABEL }, 0);
        this.project = project;
        viewChoices = new String[ViewEditorActionDelegate.VIEW_TYPES.length];
        for (int i = 0; i < ViewEditorActionDelegate.VIEW_TYPES.length; i++) {
            viewChoices[i] = fileName + "." + ViewEditorActionDelegate.VIEW_TYPES[i];
        }
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)
     */
    protected Control createDialogArea(Composite parent) {
        Composite composite = (Composite) super.createDialogArea(parent);
        views = new Combo(composite, SWT.DROP_DOWN);
        views.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        views.setItems(viewChoices);
        // Select .html.erb for Rails 2.+, .rhtml for before that
        String version = RailsPlugin.getRailsVersion(project);
        if (version != null && version.trim().length() > 0
                && new Version(version).isGreaterThanOrEqualTo("2.0.0")) {
            for (int i = 0; i < viewChoices.length; i++) {
                if (viewChoices[i].endsWith(".html.erb")) {
                    views.select(i);
                    break;
                }
            }
        } else {
            for (int i = 0; i < viewChoices.length; i++) {
                if (viewChoices[i].endsWith(".rhtml")) {
                    views.select(i);
                    break;
                }
            }
        }
        return composite;
    }

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

    /*
     * (non-Javadoc)
     * @see org.eclipse.jface.dialogs.Dialog#createButtonsForButtonBar(org.eclipse.swt.widgets.Composite)
     */
    protected void createButtonsForButtonBar(Composite parent) {
        super.createButtonsForButtonBar(parent);
        views.setFocus();
    }

    /**
     * Returns the selected text from the combo box.
     * 
     * @return the text
     */
    public String getText() {
        return selectionText;
    }

    /**
     * Opens a confirm dialog to create a view file. The user will select which extension type to use.
     * 
     * @param parent
     *            the parent shell
     * @param fileName
     *            the name of the view file
     * @return the full name of the view file
     */
    public static String openConfirm(Shell parent, IProject project, String fileName) {
        ViewSelectionDialog vsd = new ViewSelectionDialog(parent, project, fileName);

        String ret = null;
        if (vsd.open() == OK) {
            ret = vsd.getText();
        }
        return ret;
    }

}