Case Study: adding data and statistics

[ifi-stolz-refaktor.git] / case-study / jdt-before / ui / org / eclipse / jdt / internal / ui / wizards / dialogfields / StringDialogField.java

diff --git a/case-study/jdt-before/ui/org/eclipse/jdt/internal/ui/wizards/dialogfields/StringDialogField.java b/case-study/jdt-before/ui/org/eclipse/jdt/internal/ui/wizards/dialogfields/StringDialogField.java
new file mode 100644 (file)
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+++ b/case-study/jdt-before/ui/org/eclipse/jdt/internal/ui/wizards/dialogfields/StringDialogField.java
@@ -0,0 +1,207 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2011 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.eclipse.jdt.internal.ui.wizards.dialogfields;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.ModifyEvent;
+import org.eclipse.swt.events.ModifyListener;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.Text;
+
+import org.eclipse.jface.text.contentassist.IContentAssistProcessor;
+
+import org.eclipse.jdt.internal.ui.refactoring.contentassist.ControlContentAssistHelper;
+
+/**
+ * Dialog field containing a label and a text control.
+ */
+public class StringDialogField extends DialogField {
+
+       private String fText;
+       private Text fTextControl;
+       private ModifyListener fModifyListener;
+    private IContentAssistProcessor fContentAssistProcessor;
+
+       public StringDialogField() {
+               super();
+               fText= ""; //$NON-NLS-1$
+       }
+
+       public void setContentAssistProcessor(IContentAssistProcessor processor) {
+           fContentAssistProcessor= processor;
+           if (fContentAssistProcessor != null && isOkToUse(fTextControl)) {
+               ControlContentAssistHelper.createTextContentAssistant(fTextControl, fContentAssistProcessor);
+           }
+       }
+
+       public IContentAssistProcessor getContentAssistProcessor() {
+           return fContentAssistProcessor;
+       }
+
+       // ------- layout helpers
+
+       /*
+        * @see DialogField#doFillIntoGrid
+        */
+       @Override
+       public Control[] doFillIntoGrid(Composite parent, int nColumns) {
+               assertEnoughColumns(nColumns);
+
+               Label label= getLabelControl(parent);
+               label.setLayoutData(gridDataForLabel(1));
+               Text text= getTextControl(parent);
+               text.setLayoutData(gridDataForText(nColumns - 1));
+
+               return new Control[] { label, text };
+       }
+
+       /*
+        * @see DialogField#getNumberOfControls
+        */
+       @Override
+       public int getNumberOfControls() {
+               return 2;
+       }
+
+       protected static GridData gridDataForText(int span) {
+               GridData gd= new GridData();
+               gd.horizontalAlignment= GridData.FILL;
+               gd.grabExcessHorizontalSpace= false;
+               gd.horizontalSpan= span;
+               return gd;
+       }
+
+       // ------- focus methods
+
+       /*
+        * @see DialogField#setFocus
+        */
+       @Override
+       public boolean setFocus() {
+               if (isOkToUse(fTextControl)) {
+                       fTextControl.setFocus();
+                       fTextControl.setSelection(0, fTextControl.getText().length());
+               }
+               return true;
+       }
+
+       // ------- ui creation
+
+       /**
+        * Creates or returns the created text control.
+        * @param parent The parent composite or <code>null</code> when the widget has
+        * already been created.
+        * @return the text control
+        */
+       public Text getTextControl(Composite parent) {
+               if (fTextControl == null) {
+                       assertCompositeNotNull(parent);
+                       fModifyListener= new ModifyListener() {
+                               public void modifyText(ModifyEvent e) {
+                                       doModifyText();
+                               }
+                       };
+
+                       fTextControl= createTextControl(parent);
+                       // moved up due to 1GEUNW2
+                       fTextControl.setText(fText);
+                       fTextControl.setFont(parent.getFont());
+                       fTextControl.addModifyListener(fModifyListener);
+
+                       fTextControl.setEnabled(isEnabled());
+                       if (fContentAssistProcessor != null) {
+                           ControlContentAssistHelper.createTextContentAssistant(fTextControl, fContentAssistProcessor);
+                       }
+               }
+               return fTextControl;
+       }
+
+       /**
+        * Creates and returns a new text control.
+        * 
+        * @param parent the parent
+        * @return the text control
+        * @since 3.6
+        */
+       protected Text createTextControl(Composite parent) {
+               return new Text(parent, SWT.SINGLE | SWT.BORDER);
+       }
+
+       private void doModifyText() {
+               if (isOkToUse(fTextControl)) {
+                       fText= fTextControl.getText();
+               }
+               dialogFieldChanged();
+       }
+
+       // ------ enable / disable management
+
+       /*
+        * @see DialogField#updateEnableState
+        */
+       @Override
+       protected void updateEnableState() {
+               super.updateEnableState();
+               if (isOkToUse(fTextControl)) {
+                       fTextControl.setEnabled(isEnabled());
+               }
+       }
+
+       // ------ text access
+
+       /**
+        * @return the text, can not be <code>null</code>
+        */
+       public String getText() {
+               return fText;
+       }
+
+       /**
+        * Sets the text. Triggers a dialog-changed event.
+        * @param text the new text
+        */
+       public void setText(String text) {
+               fText= text;
+               if (isOkToUse(fTextControl)) {
+                       fTextControl.setText(text);
+               } else {
+                       dialogFieldChanged();
+               }
+       }
+
+       /**
+        * Sets the text without triggering a dialog-changed event.
+        * @param text the new text
+        */
+       public void setTextWithoutUpdate(String text) {
+               fText= text;
+               if (isOkToUse(fTextControl)) {
+                       fTextControl.removeModifyListener(fModifyListener);
+                       fTextControl.setText(text);
+                       fTextControl.addModifyListener(fModifyListener);
+               }
+       }
+
+       /* (non-Javadoc)
+        * @see org.eclipse.jdt.internal.ui.wizards.dialogfields.DialogField#refresh()
+        */
+       @Override
+       public void refresh() {
+               super.refresh();
+               if (isOkToUse(fTextControl)) {
+                       setTextWithoutUpdate(fText);
+               }
+       }
+
+}