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

[phpeclipse.git] / archive / net.sourceforge.phpeclipse.css.core / src / net / sourceforge / phpeclipse / css / core / internal / model / AbstractRule.java

diff --git a/archive/net.sourceforge.phpeclipse.css.core/src/net/sourceforge/phpeclipse/css/core/internal/model/AbstractRule.java b/archive/net.sourceforge.phpeclipse.css.core/src/net/sourceforge/phpeclipse/css/core/internal/model/AbstractRule.java
new file mode 100644 (file)
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+++ b/archive/net.sourceforge.phpeclipse.css.core/src/net/sourceforge/phpeclipse/css/core/internal/model/AbstractRule.java
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+/*
+ * Copyright (c) 2003-2004 Christopher Lenz 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://www.eclipse.org/legal/cpl-v10.html
+ * 
+ * Contributors:
+ *     Christopher Lenz - initial API and implementation
+ * 
+ * $Id: AbstractRule.java,v 1.1 2004-09-02 18:07:12 jsurfer Exp $
+ */
+
+package net.sourceforge.phpeclipse.css.core.internal.model;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+import net.sourceforge.phpeclipse.core.model.SourceReference;
+import net.sourceforge.phpeclipse.css.core.model.IDeclaration;
+import net.sourceforge.phpeclipse.css.core.model.IRule;
+import net.sourceforge.phpeclipse.css.core.model.IStyleSheet;
+
+import org.eclipse.core.runtime.Platform;
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.IRegion;
+
+/**
+ * 
+ */
+public abstract class AbstractRule extends SourceReference
+       implements IRule {
+
+       // Instance Variables ------------------------------------------------------
+
+       private IStyleSheet styleSheet;
+
+       private IRule parent;
+
+       private List children = new ArrayList(); 
+
+       private List declarations = new ArrayList();
+
+       // Constructors ------------------------------------------------------------
+
+       /**
+        * Constructor.
+        * 
+        * @param document the document that contains the rule
+        * @param styleSheet the style sheet that contains the rule
+        */
+       public AbstractRule(IDocument document, IStyleSheet styleSheet) {
+               this(document, styleSheet, null);
+       }
+
+       /**
+        * Constructor.
+        * 
+        * @param document the document that contains the rule
+        * @param styleSheet the style sheet that contains the rule
+        * @param parent the parent rule, or <code>null</code> if the rule is at top
+        *        level
+        */
+       public AbstractRule(IDocument document, IStyleSheet styleSheet,
+               IRule parent) {
+               super(document);
+               this.styleSheet = styleSheet;
+               this.parent = parent;
+       }
+
+       // IAdaptable Implementation -----------------------------------------------
+
+       /*
+        * @see IAdaptable#getAdapter(Class)
+        */
+       public Object getAdapter(Class adapter) {
+               return Platform.getAdapterManager().getAdapter(this, adapter);
+       }
+
+       // IStyleRule Implementation -----------------------------------------------
+
+       /*
+        * @see IRule#getStyleSheet()
+        */
+       public final IStyleSheet getStyleSheet() {
+               return styleSheet;
+       }
+
+       /*
+        * @see IRule#getParent()
+        */
+       public final IRule getParent() {
+               return parent;
+       }
+
+       /*
+        * @see IRule#getChildren()
+        */
+       public final IRule[] getChildren() {
+               return (IRule[]) children.toArray(new IRule[children.size()]);
+       }
+
+       /*
+        * @see IRule#getDeclarationAt(int)
+        */
+       public final IDeclaration getDeclarationAt(int offset) {
+               for (Iterator i = declarations.iterator(); i.hasNext(); ) {
+                       IDeclaration declaration = (IDeclaration) i.next();
+                       IRegion region = declaration.getSourceRegion();
+                       if ((offset > region.getOffset())
+                        && (offset < (region.getOffset() + region.getLength()))) {
+                               return declaration;
+                       }
+               }
+               return null;
+       }
+
+       /*
+        * @see IRule#getDeclarations()
+        */
+       public final IDeclaration[] getDeclarations() {
+               return (IDeclaration[]) declarations.toArray(
+                       new IDeclaration[declarations.size()]);
+       }
+
+       // Public Methods ----------------------------------------------------------
+
+       public final void addChild(IRule rule) {
+               children.add(rule);
+       }
+
+       public final void addDeclaration(IDeclaration declaration) {
+               declarations.add(declaration);
+       }
+
+}