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Viewing changes to eclox.ui/src/eclox/ui/editor/editors/TextEditor.java

  • Committer: Package Import Robot
  • Author(s): Graham Inggs
  • Date: 2013-07-07 20:33:10 UTC
  • Revision ID: package-import@ubuntu.com-20130707203310-a44yw80gqtc2s9ob
Tags: upstream-0.10.0
Import upstream version 0.10.0

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eclox.ui/src/eclox/ui/editor/editors/TextEditor.java
 
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/*******************************************************************************
 
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 * Copyright (C) 2003-2008, 2013, Guillaume Brocker
 
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 * 
 
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 * All rights reserved. This program and the accompanying materials
 
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 * are made available under the terms of the Eclipse Public License v1.0
 
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 * which accompanies this distribution, and is available at
 
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 * http://www.eclipse.org/legal/epl-v10.html
 
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 *
 
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 * Contributors:
 
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 *     Guillaume Brocker - Initial API and implementation
 
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 *
 
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 ******************************************************************************/ 
 
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package eclox.ui.editor.editors;
 
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import org.eclipse.swt.events.ModifyEvent;
 
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import org.eclipse.swt.events.ModifyListener;
 
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import org.eclipse.swt.layout.GridData;
 
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import org.eclipse.swt.layout.GridLayout;
 
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import org.eclipse.swt.widgets.Composite;
 
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import org.eclipse.swt.widgets.Text;
 
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import org.eclipse.ui.forms.widgets.FormToolkit;
 
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/**
 
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 * Implements a simple setting editor.
 
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 * 
 
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 * @author gbrocker
 
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 */
 
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public class TextEditor extends SettingEditor {
 
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        /**
 
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         * Defines a modify listener class.
 
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         */
 
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        private class TextModifyListener implements ModifyListener {
 
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                /**
 
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                 * Tells if the listener should sleep (ignore notifications).
 
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                 */
 
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                public boolean sleeping = true;
 
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                public void modifyText(ModifyEvent e) {
 
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                        if(sleeping == false) {
 
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                                hasChanged = true;
 
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                                fireEditorChanged();
 
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                                commit();
 
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                        }
 
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                }
 
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        };
 
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    /**
 
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     * The text widget.
 
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     */
 
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    protected Text text;
 
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    /**
 
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     * The current modification listener of the text control
 
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     */
 
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    private TextModifyListener textModifyListener = new TextModifyListener();
 
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    /**
 
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     * Remerbers if the text has changed.
 
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     */
 
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    private boolean hasChanged = false;
 
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    /**
 
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     * @see eclox.ui.editor.editors.IEditor#commit()
 
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     */
 
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    public void commit() {
 
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        if( hasInput() ) {
 
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                        getInput().setValue( text.getText() );
 
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                        hasChanged = false;
 
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                        fireEditorChanged();
 
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        }
 
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        }
 
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    /**
 
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     * @see eclox.ui.editor.editors.IEditor#createContent(org.eclipse.swt.widgets.Composite, org.eclipse.ui.forms.widgets.FormToolkit)
 
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     */
 
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    public void createContent( Composite parent, FormToolkit formToolkit ) {
 
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        // Activates border painting.
 
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        formToolkit.paintBordersFor( parent );
 
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        // Prepere the parent's layout.
 
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        GridLayout      layout = new GridLayout();
 
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        layout.marginTop                        = 0;
 
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        layout.marginLeft                       = 0;
 
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        layout.marginBottom                     = 0;
 
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        layout.marginRight                      = 0;
 
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        layout.marginHeight                     = 2;
 
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        layout.marginWidth                      = 1;
 
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        layout.horizontalSpacing        = 5;
 
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        parent.setLayout( layout );
 
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        // Creates the text widget.
 
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        text = formToolkit.createText(parent, new String());
 
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        text.setLayoutData( new GridData(GridData.FILL_HORIZONTAL|GridData.VERTICAL_ALIGN_CENTER) );
 
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        text.addModifyListener( textModifyListener );
 
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    }
 
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    /**
 
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     * @see eclox.ui.editor.editors.IEditor#grabVerticalSpace()
 
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     */
 
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    public boolean grabVerticalSpace() {
 
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                return false;
 
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        }
 
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        /**
 
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         * @see eclox.ui.editor.editors.IEditor#dispose()
 
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         */
 
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        public void dispose() {
 
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                text.dispose();         
 
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        }
 
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        /**
 
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         * @see eclox.ui.editor.editors.IEditor#isDirty()
 
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         */
 
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        public boolean isDirty() {
 
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                return hasChanged;
 
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        }
 
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        /**
 
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         * @see eclox.ui.editor.editors.IEditor#isStale()
 
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         */
 
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        public boolean isStale() {
 
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                boolean result = false;
 
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                if( hasInput() ) {
 
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                        result = text.getText().equals( getInput().getValue() ) == false;
 
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                }
 
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                return result;
 
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        }
 
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        /**
 
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         * @see eclox.ui.editor.editors.IEditor#refresh()
 
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         */
 
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        public void refresh() {
 
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                if( hasInput() )  {
 
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                        textModifyListener.sleeping = true;
 
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                        text.setText( getInput().getValue() );
 
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                        hasChanged = false;
 
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                        textModifyListener.sleeping = false;
 
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                        fireEditorChanged();
 
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                }
 
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        }
 
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    /**
 
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     * @see eclox.ui.editor.editors.IEditor#setEnabled(boolean)
 
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     */
 
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    public void setEnabled(boolean enabled) {
 
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                // pre-condition
 
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        assert text != null;
 
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        text.setEnabled(enabled);               
 
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        }
 
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        /**
 
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         * @see eclox.ui.editor.editors.IEditor#setFocus()
 
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         */
 
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        public void setFocus() {
 
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        text.selectAll();
 
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        text.setFocus();
 
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    }
 
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        /**
 
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         * @see eclox.ui.editor.editors.SettingEditor#setInput(eclox.core.doxyfiles.Setting)
 
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         */
 
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//      public void setInput(Setting input) {
 
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//              super.setInput(input);
 
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//              
 
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//              if( hasInput() ) {
 
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//                      textModifyListener.sleeping = true;
 
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//                      text.setText(input.getValue());
 
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//                      textModifyListener.sleeping = false;
 
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//              hasChanged = false;
 
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//              }
 
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//    }
 
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}