eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/ui/campanula/TextFieldController.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2013 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10 package eu.etaxonomy.taxeditor.ui.campanula;
  11
  12 import org.eclipse.swt.SWT;
  13 import org.eclipse.swt.events.KeyAdapter;
  14 import org.eclipse.swt.events.KeyEvent;
  15 import org.eclipse.swt.events.ModifyEvent;
  16 import org.eclipse.swt.events.ModifyListener;
  17 import org.eclipse.swt.graphics.Color;
  18 import org.eclipse.swt.widgets.Control;
  19 import org.eclipse.swt.widgets.Listener;
  20 import org.eclipse.swt.widgets.Text;
  21 import org.eclipse.wb.swt.SWTResourceManager;
  22
  23 import eu.etaxonomy.cdm.common.CdmUtils;
  24 import eu.etaxonomy.taxeditor.preference.Resources;
  25 import eu.etaxonomy.taxeditor.ui.element.AbstractCdmFormElement;
  26 import eu.etaxonomy.taxeditor.ui.element.CdmFormFactory;
  27 import eu.etaxonomy.taxeditor.ui.element.CdmPropertyChangeEvent;
  28 import eu.etaxonomy.taxeditor.ui.element.IEnableableFormElement;
  29 import eu.etaxonomy.taxeditor.ui.element.ISelectable;
  30 import eu.etaxonomy.taxeditor.ui.section.campanula.compatibility.ICdmFormElement;
  31
  32 /**
  33  * @author pplitzner
  34  * @date 09.08.2013
  35  *
  36  */
  37 public class TextFieldController extends AbstractCdmFormElement implements ModifyListener, IEnableableFormElement, ISelectable{
  38
  39     protected Text text;
  40
  41     /** Constant <code>MAX_HEIGHT=0</code> */
  42     public static final int MAX_HEIGHT = 0;
  43     /** Constant <code>SINGLE=-1</code> */
  44     public static final int SINGLE = -1;
  45
  46     /**
  47      * Create the composite.
  48      * @param parent
  49      * @param style
  50      * @param initialText
  51      * @param textHeight
  52      */
  53     public TextFieldController(Text controlledText, CdmFormFactory formFactory, ICdmFormElement parentFormElement, String initialText, Integer textHeight) {
  54         super(formFactory, parentFormElement);
  55         setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE));
  56
  57         //vvvvvvvvvvvvv
  58
  59         setPropertyChangeListeners(formFactory.getPropertyChangeListeners());
  60         formFactory.addPropertyChangeListener(this);
  61
  62         initialText = initialText==null?"":initialText;
  63 //
  64 //        int scrollStyle = textHeight == null ? SWT.NULL : (SWT.V_SCROLL | SWT.MULTI);
  65 //
  66 //        int combinedStyle = style | SWT.BORDER | scrollStyle;
  67 //
  68 //        // SWT.PASSWORD does not work when SWT.WRAP is set.
  69 //        if (style != SWT.PASSWORD) {
  70 //            combinedStyle = combinedStyle | SWT.WRAP;
  71 //        }
  72         //^^^^^^^^^^^^^^
  73
  74         this.text = controlledText;
  75 //        TableWrapData twd_text_1 = new TableWrapData(TableWrapData.LEFT, TableWrapData.TOP);
  76 //        twd_text_1.grabHorizontal = true;
  77         text.setText(initialText);
  78 //        text.setLayoutData(twd_text_1);
  79
  80
  81         //vvvvvvvvvvvvvvvvvv
  82         if (textHeight == null) {
  83             text.addKeyListener(new KeyAdapter() {
  84                 @Override
  85                 public void keyPressed(KeyEvent e) {
  86                     if (e.character == SWT.CR) {
  87                         // Don't accept carriage returns as input when in single
  88                         // line mode
  89                         e.doit = false;
  90                     } else if (e.character == SWT.TAB) {
  91                         // traverse is not working for wrapped text widgets so
  92                         // we reintroduce it here
  93                         e.doit = false;
  94                         TextFieldController.this.text.traverse(SWT.TRAVERSE_TAB_NEXT);
  95                     }
  96                 }
  97             });
  98         }
  99
 100 //        if (textHeight != null && textHeight > 0) {
 101 //            TableWrapData layoutData = LayoutConstants.FILL();
 102 //            (layoutData).heightHint = textHeight;
 103 //            text.setLayoutData(layoutData);
 104 //        }
 105
 106         text.addModifyListener(this);
 107
 108         addControl(text);
 109
 110     }
 111
 112     /**
 113      * Get the text of this composites text composite
 114      *
 115      * @return a {@link java.lang.String} object.
 116      */
 117     public String getText() {
 118         return text.getText();
 119     }
 120
 121     /**
 122      * Set the text of this composites text composite
 123      *
 124      * @param string
 125      *            a {@link java.lang.String} object.
 126      */
 127     public void setText(String string) {
 128         Listener[] listeners = text.getListeners(SWT.Modify);
 129
 130         for (Listener listener : listeners) {
 131             text.removeListener(SWT.Modify, listener);
 132         }
 133
 134         text.setText(CdmUtils.Nz(string));
 135
 136         for (Listener listener : listeners) {
 137             text.addListener(SWT.Modify, listener);
 138         }
 139     }
 140
 141     /*
 142      * (non-Javadoc)
 143      *
 144      * @see
 145      * org.eclipse.swt.events.ModifyListener#modifyText(org.eclipse.swt.events
 146      * .ModifyEvent)
 147      */
 148     /** {@inheritDoc} */
 149     @Override
 150     public void modifyText(ModifyEvent e) {
 151         firePropertyChangeEvent(new CdmPropertyChangeEvent(this, e));
 152     }
 153
 154     /** {@inheritDoc} */
 155     @Override
 156     public void setEnabled(boolean enabled) {
 157         text.setEnabled(enabled);
 158         String symbolicName = enabled ? Resources.COLOR_FONT_DEFAULT : Resources.COLOR_TEXT_DISABLED;
 159         text.setForeground(getColor(symbolicName));
 160     }
 161
 162     /** {@inheritDoc} */
 163     @Override
 164     public void setIrrelevant(boolean irrelevant) {
 165         String colorId = irrelevant ? Resources.COLOR_COMPOSITE_IRRELEVANT : Resources.COLOR_COMPOSITE_BACKGROUND;
 166
 167         Color color = getColor(colorId);
 168         text.setBackground(color);
 169     }
 170
 171     @Override
 172     public void setSelected(boolean selected) {
 173         setBackground(selected ? SELECTED : getPersistentBackground());
 174     }
 175
 176     /*
 177      * (non-Javadoc)
 178      *
 179      * @see eu.etaxonomy.taxeditor.forms.AbstractCdmFormElement#setFocus()
 180      */
 181     /** {@inheritDoc}
 182      * @return */
 183     @Override
 184     public void setFocus() {
 185         text.setFocus();
 186     }
 187
 188     /**
 189      * <p>
 190      * getMainControl
 191      * </p>
 192      *
 193      * @return a {@link org.eclipse.swt.widgets.Control} object.
 194      */
 195     public Control getMainControl() {
 196         return text;
 197     }
 198
 199     /**
 200      * <p>
 201      * setTextLimit
 202      * </p>
 203      *
 204      * @param limit
 205      *            a int.
 206      */
 207     public void setTextLimit(int limit) {
 208         text.setTextLimit(limit);
 209     }
 210 }