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1 /*******************************************************************************
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2 * Copyright (c) 2007, 2008 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 *******************************************************************************/
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11
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12 module org.eclipse.jface.internal.databinding.swt.TextEditableObservableValue;
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13
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14 import java.lang.all;
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15
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16 import org.eclipse.core.databinding.observable.Diffs;
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17 import org.eclipse.core.databinding.observable.Realm;
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18 import org.eclipse.jface.internal.databinding.provisional.swt.AbstractSWTObservableValue;
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19 import org.eclipse.swt.widgets.Text;
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20
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21 /**
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22 * Observable value for the editable property of a Text.
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23 *
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24 * @since 1.1
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25 */
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26 public class TextEditableObservableValue : AbstractSWTObservableValue {
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27 private Text text;
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28
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29 /**
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30 * @param text
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31 */
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32 public this(Text text) {
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33 super(text);
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34 this.text = text;
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35 }
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36
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37 /**
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38 * @param realm
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39 * @param text
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40 */
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41 public this(Realm realm, Text text) {
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42 super(realm, text);
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43 this.text = text;
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44 }
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45
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46 /* (non-Javadoc)
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47 * @see org.eclipse.core.databinding.observable.value.AbstractObservableValue#doGetValue()
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48 */
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49 protected Object doGetValue() {
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50 return (text.getEditable()) ? Boolean.TRUE : Boolean.FALSE;
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51 }
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52
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53 /* (non-Javadoc)
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54 * @see org.eclipse.core.databinding.observable.value.IObservableValue#getValueType()
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55 */
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56 public Object getValueType() {
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57 return Boolean.TYPE;
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58 }
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59
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60 /* (non-Javadoc)
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61 * @see org.eclipse.core.databinding.observable.value.AbstractObservableValue#doSetValue(java.lang.Object)
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62 */
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63 protected void doSetValue(Object value) {
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64 if (value is null) {
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65 throw new IllegalArgumentException("Parameter value was null."); //$NON-NLS-1$
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66 }
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67
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68 Boolean oldValue = new Boolean(text.getEditable());
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69 Boolean newValue = cast(Boolean) value;
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70
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71 text.setEditable(newValue.booleanValue());
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72
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85
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73 if (!oldValue.opEquals(newValue)) {
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78
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74 fireValueChange(Diffs.createValueDiff(oldValue, newValue));
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75 }
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76 }
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77 }
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