Case Study: adding data and statistics

[ifi-stolz-refaktor.git] / case-study / jdt-after / ui / org / eclipse / jdt / internal / ui / search / JavaElementLine.java

diff --git a/case-study/jdt-after/ui/org/eclipse/jdt/internal/ui/search/JavaElementLine.java b/case-study/jdt-after/ui/org/eclipse/jdt/internal/ui/search/JavaElementLine.java
new file mode 100644 (file)
index 0000000..808e52e
--- /dev/null
+++ b/case-study/jdt-after/ui/org/eclipse/jdt/internal/ui/search/JavaElementLine.java
@@ -0,0 +1,141 @@
+/*******************************************************************************
+ * 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.search;
+
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+
+import org.eclipse.jface.viewers.StyledString;
+import org.eclipse.jface.viewers.StyledString.Styler;
+
+import org.eclipse.search.ui.text.Match;
+
+import org.eclipse.jdt.core.IBuffer;
+import org.eclipse.jdt.core.ITypeRoot;
+import org.eclipse.jdt.core.formatter.IndentManipulation;
+
+import org.eclipse.jdt.internal.corext.util.Messages;
+
+import org.eclipse.jdt.ui.JavaUI;
+
+import org.eclipse.jdt.internal.ui.search.IOccurrencesFinder.OccurrenceLocation;
+import org.eclipse.jdt.internal.ui.viewsupport.BasicElementLabels;
+import org.eclipse.jdt.internal.ui.viewsupport.ColoringLabelProvider;
+
+public class JavaElementLine {
+
+
+       private final ITypeRoot fElement;
+       private final String fLineContents;
+       private final int fLineNumber;
+       private final int fLineStartOffset;
+
+       private int fFlags;
+
+       /**
+        * @param element either an ICompilationUnit or an IClassFile
+        * @param lineNumber the line number
+        * @param lineStartOffset the start offset of the line
+        * @throws CoreException thrown when accessing of the buffer failed
+        */
+       public JavaElementLine(ITypeRoot element, int lineNumber, int lineStartOffset) throws CoreException {
+               fElement= element;
+               fFlags= 0;
+
+               IBuffer buffer= element.getBuffer();
+               if (buffer == null) {
+                       throw new CoreException(new Status(IStatus.ERROR, JavaUI.ID_PLUGIN, Messages.format( SearchMessages.JavaElementLine_error_nobuffer, BasicElementLabels.getFileName(element))));
+               }
+
+               int length= buffer.getLength();
+               int i= lineStartOffset;
+
+               char ch= buffer.getChar(i);
+               while (lineStartOffset < length && IndentManipulation.isIndentChar(ch)) {
+                       ch= buffer.getChar(++i);
+               }
+               fLineStartOffset= i;
+
+               StringBuffer buf= new StringBuffer();
+
+               while (i < length && !IndentManipulation.isLineDelimiterChar(ch)) {
+                       if (Character.isISOControl(ch)) {
+                               buf.append(' ');
+                       } else {
+                               buf.append(ch);
+                       }
+                       i++;
+                       if (i < length)
+                               ch= buffer.getChar(i);
+               }
+               fLineContents= buf.toString();
+               fLineNumber= lineNumber;
+       }
+
+       public void setFlags(int flags) {
+               fFlags= flags;
+       }
+
+       public int getFlags() {
+               return fFlags;
+       }
+
+       public ITypeRoot getJavaElement() {
+               return fElement;
+       }
+
+       public int getLine() {
+               return fLineNumber;
+       }
+
+       public String getLineContents() {
+               return fLineContents;
+       }
+
+       public int getLineStartOffset() {
+               return fLineStartOffset;
+       }
+
+       public void generated_2430045153647211890(OccurrenceLocation loc) {
+               setFlags(getFlags() | loc.getFlags());
+       }
+
+       public String generated_4416462867979027888(OccurrencesSearchLabelProvider occurrencessearchlabelprovider) {
+               return occurrencessearchlabelprovider.getLineNumberLabel(this) + getLineContents();
+       }
+
+       public StyledString generated_739450509809147788(OccurrencesSearchLabelProvider occurrencessearchlabelprovider) {
+               String lineNumberString= occurrencessearchlabelprovider.getLineNumberLabel(this);
+       
+               Styler highlightStyle= ColoringLabelProvider.HIGHLIGHT_STYLE;
+       
+               StyledString res= new StyledString();
+               res.append(lineNumberString, StyledString.QUALIFIER_STYLER);
+               res.append(getLineContents());
+               Match[] matches= occurrencessearchlabelprovider.getPage().getInput().getMatches(this);
+               for (int i= 0; i < matches.length; i++) {
+                       OccurrenceMatch curr= (OccurrenceMatch) matches[i];
+                       int offset= curr.getOriginalOffset() - getLineStartOffset() + lineNumberString.length();
+                       int length= curr.getOriginalLength();
+       
+                       if (offset >= 0 && (offset + length <= res.length())) {
+                               if ((curr.getFlags() & IOccurrencesFinder.F_WRITE_OCCURRENCE) != 0) {
+                                       res.setStyle(offset, length, ColoringLabelProvider.HIGHLIGHT_WRITE_STYLE);
+                               } else {
+                                       res.setStyle(offset, length, highlightStyle);
+                               }
+                       }
+               }
+               return res;
+       }
+}