intial source from http://www.sf.net/projects/wdte

[phpeclipse.git] / net.sourceforge.phpeclipse.ui / src / net / sourceforge / phpeclipse / ui / text / source / DefaultSourceViewerConfiguration.java

diff --git a/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpeclipse/ui/text/source/DefaultSourceViewerConfiguration.java b/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpeclipse/ui/text/source/DefaultSourceViewerConfiguration.java
new file mode 100644 (file)
index 0000000..7e7309b
--- /dev/null
+++ b/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpeclipse/ui/text/source/DefaultSourceViewerConfiguration.java
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2002-2004 Widespace, OU and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://solareclipse.sourceforge.net/legal/cpl-v10.html
+ * 
+ * Contributors:
+ *     Igor Malinin - initial contribution
+ * 
+ * $Id: DefaultSourceViewerConfiguration.java,v 1.1 2004-09-02 18:26:32 jsurfer Exp $
+ */
+
+package net.sourceforge.phpeclipse.ui.text.source;
+
+import org.eclipse.jface.preference.IPreferenceStore;
+import org.eclipse.jface.text.source.ISourceViewer;
+import org.eclipse.jface.text.source.SourceViewerConfiguration;
+
+/**
+ * @author Igor Malinin
+ */
+public class DefaultSourceViewerConfiguration extends SourceViewerConfiguration {
+
+       /** Preference key used to look up display tab width. */
+       public static final String PREFERENCE_TAB_WIDTH =
+               "net.sourceforge.phpeclipse.ui.editor.tabWidth"; //$NON-NLS-1$
+
+       /** Preference key for inserting spaces rather than tabs. */
+       public static final String PREFERENCE_SPACES_FOR_TABS =
+               "net.sourceforge.phpeclipse.ui.editor.spacesForTabs"; //$NON-NLS-1$
+
+       private IPreferenceStore store;
+
+       public DefaultSourceViewerConfiguration(IPreferenceStore store) {
+               this.store = store;
+       }
+
+       /*
+        * @see SourceViewerConfiguration#getIndentPrefixes(ISourceViewer, String)
+        */
+       public String[] getIndentPrefixes(ISourceViewer sourceViewer,
+                       String contentType) {
+               // prefix[0] is either '\t' or ' ' x tabWidth, depending on useSpaces
+
+               int tabWidth = store.getInt(PREFERENCE_TAB_WIDTH);
+               boolean useSpaces = store.getBoolean(PREFERENCE_SPACES_FOR_TABS);
+
+               String[] prefixes = new String[tabWidth + 1];
+
+               for (int i = 0; i <= tabWidth; i++) {
+                       StringBuffer prefix = new StringBuffer(tabWidth - 1);
+
+                       if (useSpaces) {
+                               for (int j = 0; j + i < tabWidth; j++) {
+                                       prefix.append(' ');
+                               }
+
+                               if (i != 0) {
+                                       prefix.append('\t');
+                               }
+                       } else {
+                               for (int j = 0; j < i; j++) {
+                                       prefix.append(' ');
+                               }
+
+                               if (i != tabWidth) {
+                                       prefix.append('\t');
+                               }
+                       }
+
+                       prefixes[i] = prefix.toString();
+               }
+
+               prefixes[tabWidth] = ""; //$NON-NLS-1$
+
+               return prefixes;
+       }
+}