de.walware.statet.nico.internal.ui.preferences.ConsolePreferencePage.java Source code

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Here is the source code for de.walware.statet.nico.internal.ui.preferences.ConsolePreferencePage.java

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/*=============================================================================#
 # Copyright (c) 2009-2015 Stephan Wahlbrink (WalWare.de) 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:
 #     Stephan Wahlbrink - initial API and implementation
 #=============================================================================*/

package de.walware.statet.nico.internal.ui.preferences;

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

import org.eclipse.core.databinding.UpdateValueStrategy;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;

import de.walware.ecommons.IStatusChangeListener;
import de.walware.ecommons.databinding.IntegerValidator;
import de.walware.ecommons.databinding.jface.DataBindingSupport;
import de.walware.ecommons.preferences.Preference;
import de.walware.ecommons.preferences.ui.ConfigurationBlock;
import de.walware.ecommons.preferences.ui.ConfigurationBlockPreferencePage;
import de.walware.ecommons.preferences.ui.ManagedConfigurationBlock;
import de.walware.ecommons.ui.util.LayoutUtil;

import de.walware.statet.nico.ui.util.SubmitTypeSelectionComposite;

public class ConsolePreferencePage extends ConfigurationBlockPreferencePage {

    public ConsolePreferencePage() {
    }

    @Override
    protected ConfigurationBlock createConfigurationBlock() throws CoreException {
        return new ConsolePreferenceBlock(createStatusChangedListener());
    }

}

class ConsolePreferenceBlock extends ManagedConfigurationBlock {

    private Text fCharLimitControl;

    private SubmitTypeSelectionComposite fSubmitTypeControl;

    public ConsolePreferenceBlock(final IStatusChangeListener statusListener) {
        super(null, statusListener);
    }

    @Override
    protected void createBlockArea(final Composite pageComposite) {
        final Map<Preference<?>, String> prefs = new HashMap<Preference<?>, String>();

        prefs.put(ConsolePreferences.PREF_HISTORYNAVIGATION_SUBMIT_TYPES, ConsolePreferences.GROUP_ID);
        prefs.put(ConsolePreferences.PREF_CHARLIMIT, ConsolePreferences.GROUP_ID);

        setupPreferenceManager(prefs);

        final Composite appearance = createAppearance(pageComposite);
        appearance.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));

        final Composite input = createInputOptions(pageComposite);
        input.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));

        initBindings();
        updateControls();
    }

    private Composite createInputOptions(final Composite pageComposite) {
        final Group group = new Group(pageComposite, SWT.NONE);
        group.setText("Input" + ':');
        group.setLayout(LayoutUtil.createGroupGrid(1));

        {
            final Label label = new Label(group, SWT.NONE);
            label.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false));
            label.setText("Include in history navigation (up/down):");

            fSubmitTypeControl = new SubmitTypeSelectionComposite(group);
            fSubmitTypeControl.setLayoutData(new GridData(SWT.LEFT, SWT.FILL, true, true));
        }

        return group;
    }

    private Composite createAppearance(final Composite pageComposite) {
        final Group group = new Group(pageComposite, SWT.NONE);
        group.setText("Output" + ':');
        group.setLayout(LayoutUtil.createGroupGrid(2));

        {
            final Label label = new Label(group, SWT.NONE);
            label.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false));
            label.setText("Size (characters):");
            final Text text = new Text(group, SWT.BORDER | SWT.RIGHT);
            final GridData gd = new GridData(SWT.LEFT, SWT.CENTER, true, false);
            gd.widthHint = LayoutUtil.hintWidth(text, 12);
            text.setLayoutData(gd);
            text.setTextLimit(20);
            fCharLimitControl = text;
        }

        return group;
    }

    @Override
    protected void addBindings(final DataBindingSupport db) {
        db.getContext().bindValue(fSubmitTypeControl.getObservable(),
                createObservable(ConsolePreferences.PREF_HISTORYNAVIGATION_SUBMIT_TYPES));

        db.getContext().bindValue(SWTObservables.observeText(fCharLimitControl, SWT.Modify),
                createObservable(ConsolePreferences.PREF_CHARLIMIT),
                new UpdateValueStrategy().setAfterGetValidator(new IntegerValidator(10000, 1000000000,
                        "Invalid char limit specified (10000-1000000000).")),
                null);
    }

}