CreateProfileDialog.java

/*******************************************************************************
 * Copyright (c) 2000, 2005 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.rubypeople.rdt.internal.ui.preferences.formatter;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.IDialogSettings;
import org.eclipse.jface.dialogs.StatusDialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.rubypeople.rdt.internal.ui.RubyPlugin;
import org.rubypeople.rdt.internal.ui.dialogs.StatusInfo;
import org.rubypeople.rdt.internal.ui.preferences.formatter.ProfileManager.CustomProfile;
import org.rubypeople.rdt.internal.ui.preferences.formatter.ProfileManager.Profile;
import org.rubypeople.rdt.ui.RubyUI;

/**
 * The dialog to create a new profile.
 */
public class CreateProfileDialog extends StatusDialog {

    private static final String PREF_OPEN_EDIT_DIALOG = RubyUI.ID_PLUGIN
            + ".codeformatter.create_profile_dialog.open_edit"; //$NON-NLS-1$

    private Text fNameText;
    private Combo fProfileCombo;
    private Button fEditCheckbox;

    private final static StatusInfo fOk = new StatusInfo();
    private final static StatusInfo fEmpty = new StatusInfo(IStatus.ERROR,
            FormatterMessages.CreateProfileDialog_status_message_profile_name_is_empty);
    private final static StatusInfo fDuplicate = new StatusInfo(
            IStatus.ERROR,
            FormatterMessages.CreateProfileDialog_status_message_profile_with_this_name_already_exists);

    private final ProfileManager fProfileManager;
    private final List fSortedProfiles;
    private final String[] fSortedNames;

    private CustomProfile fCreatedProfile;
    protected boolean fOpenEditDialog;

    public CreateProfileDialog(Shell parentShell, ProfileManager profileManager) {
        super(parentShell);
        fProfileManager = profileManager;
        fSortedProfiles = fProfileManager.getSortedProfiles();
        fSortedNames = fProfileManager.getSortedDisplayNames();
    }

    public void create() {
        super.create();
        setTitle(FormatterMessages.CreateProfileDialog_dialog_title);
    }

    public Control createDialogArea(Composite parent) {

        final int numColumns = 2;

        GridData gd;

        final GridLayout layout = new GridLayout(numColumns, false);
        layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
        layout.marginWidth = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
        layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
        layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);

        final Composite composite = new Composite(parent, SWT.NONE);
        composite.setLayout(layout);

        // Create "Profile name:" label
        gd = new GridData(GridData.FILL_HORIZONTAL);
        gd.horizontalSpan = numColumns;
        gd.widthHint = convertWidthInCharsToPixels(60);
        final Label nameLabel = new Label(composite, SWT.WRAP);
        nameLabel.setText(FormatterMessages.CreateProfileDialog_profile_name_label_text);
        nameLabel.setLayoutData(gd);

        // Create text field to enter name
        gd = new GridData(GridData.FILL_HORIZONTAL);
        gd.horizontalSpan = numColumns;
        fNameText = new Text(composite, SWT.SINGLE | SWT.BORDER);
        fNameText.setLayoutData(gd);
        fNameText.addModifyListener(new ModifyListener() {

            public void modifyText(ModifyEvent e) {
                doValidation();
            }
        });

        // Create "Initialize settings ..." label
        gd = new GridData();
        gd.horizontalSpan = numColumns;
        Label profileLabel = new Label(composite, SWT.WRAP);
        profileLabel.setText(FormatterMessages.CreateProfileDialog_base_profile_label_text);
        profileLabel.setLayoutData(gd);

        gd = new GridData(GridData.FILL_HORIZONTAL);
        gd.horizontalSpan = numColumns;
        fProfileCombo = new Combo(composite, SWT.DROP_DOWN | SWT.READ_ONLY);
        fProfileCombo.setLayoutData(gd);

        // "Open the edit dialog now" checkbox
        gd = new GridData();
        gd.horizontalSpan = numColumns;
        fEditCheckbox = new Button(composite, SWT.CHECK);
        fEditCheckbox.setText(FormatterMessages.CreateProfileDialog_open_edit_dialog_checkbox_text);
        fEditCheckbox.addSelectionListener(new SelectionListener() {

            public void widgetSelected(SelectionEvent e) {
                fOpenEditDialog = ((Button) e.widget).getSelection();
            }

            public void widgetDefaultSelected(SelectionEvent e) {
            }
        });

        final IDialogSettings dialogSettings = RubyPlugin.getDefault().getDialogSettings();// .get(PREF_OPEN_EDIT_DIALOG);
        if (dialogSettings.get(PREF_OPEN_EDIT_DIALOG) != null) {
            fOpenEditDialog = dialogSettings.getBoolean(PREF_OPEN_EDIT_DIALOG);
        } else {
            fOpenEditDialog = true;
        }
        fEditCheckbox.setSelection(fOpenEditDialog);

        fProfileCombo.setItems(fSortedNames);
        fProfileCombo.setText(fProfileManager.getProfile(ProfileManager.DEFAULT_PROFILE).getName());
        updateStatus(fEmpty);

        applyDialogFont(composite);

        fNameText.setFocus();

        return composite;
    }

    /**
     * Validate the current settings
     */
    protected void doValidation() {
        final String name = fNameText.getText().trim();

        if (fProfileManager.containsName(name)) {
            updateStatus(fDuplicate);
            return;
        }
        if (name.length() == 0) {
            updateStatus(fEmpty);
            return;
        }
        updateStatus(fOk);
    }

    protected void okPressed() {
        if (!getStatus().isOK()) return;

        RubyPlugin.getDefault().getDialogSettings().put(PREF_OPEN_EDIT_DIALOG, fOpenEditDialog);

        final Map baseSettings = new HashMap(((Profile) fSortedProfiles.get(fProfileCombo
                .getSelectionIndex())).getSettings());
        final String profileName = fNameText.getText();

        fCreatedProfile = new CustomProfile(profileName, baseSettings,
                ProfileVersioner.CURRENT_VERSION);
        fProfileManager.addProfile(fCreatedProfile);
        super.okPressed();
    }

    public final CustomProfile getCreatedProfile() {
        return fCreatedProfile;
    }

    public final boolean openEditDialog() {
        return fOpenEditDialog;
    }
}