1 files changed, 72 insertions, 0 deletions
diff --git a/rba.tool.core/src/rba/tool/core/ui/BasicTableViewerColumnFilter.java b/rba.tool.core/src/rba/tool/core/ui/BasicTableViewerColumnFilter.java
new file mode 100644
index 0000000..4eb07a5
--- /dev/null
+++ b/rba.tool.core/src/rba/tool/core/ui/BasicTableViewerColumnFilter.java
@@ -0,0 +1,72 @@
+package rba.tool.core.ui;
+
+import java.util.regex.Pattern;
+
+import org.apache.commons.lang3.StringUtils;
+import org.eclipse.jface.viewers.ITableLabelProvider;
+import org.eclipse.jface.viewers.TableViewer;
+import org.eclipse.jface.viewers.Viewer;
+import org.eclipse.jface.viewers.ViewerFilter;
+
+public class BasicTableViewerColumnFilter extends ViewerFilter {
+
+    private String filterString;
+
+    private final int[] filterColumns;
+
+    public BasicTableViewerColumnFilter(String filterString, int[] filterColumns) {
+        this.filterString = filterString;
+        this.filterColumns = filterColumns;
+    }
+
+    @Override
+    public boolean select(Viewer viewer, Object parentElement, Object element) {
+        if ((null == filterString) || (StringUtils.isEmpty(filterString))) {
+            return true;
+        }
+
+        Pattern pattern = Pattern.compile(createRegexFromGlob(filterString), Pattern.CASE_INSENSITIVE);
+
+        for (int i : this.filterColumns) {
+
+            ITableLabelProvider labelProvider = (ITableLabelProvider) ((TableViewer) viewer).getLabelProvider();
+
+            String cellLabel = labelProvider.getColumnText(element, i);
+
+            if (pattern.matcher(cellLabel).find()) {
+                return true;
+            } else if (cellLabel.toLowerCase().contains(filterString.toLowerCase())) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Create Regular Expression for filter string
+     * @param glob
+     * @return
+     */
+    private String createRegexFromGlob(String glob) {
+        String out = "^";
+        for (int i = 0; i < glob.length(); ++i) {
+            final char c = glob.charAt(i);
+            switch (c) {
+            case '*':
+                out += ".*";
+                break;
+            case '?':
+                out += '.';
+                break;
+            default:
+                out += c;
+            }
+        }
+        out += '$';
+        return out;
+    }
+
+    public void setFilterString(String filterString) {
+        this.filterString = filterString;
+    }
+}