Bug 75849 - Support for search in variables view.

5 files changed, 266 insertions, 0 deletions

diff --git a/org.eclipse.debug.ui/plugin.properties b/org.eclipse.debug.ui/plugin.properties
index 03cd7feaf..0c25afb89 100644
--- a/org.eclipse.debug.ui/plugin.properties
+++ b/org.eclipse.debug.ui/plugin.properties
@@ -107,6 +107,7 @@ RunHistoryMenuAction.label=Run His&tory
 RunWithConfigurationAction.label=R&un As
 RunToLine.label=Run to &Line
 SelectAll.label=Select &All
+FindVariable.label=&Find Variable...
 StepWithFiltersAction.label=Use Step &Filters
 StepWithFiltersAction.tooltip=Use Step Filters/Step Debug
 StepIntoAction.label=Step &Into
diff --git a/org.eclipse.debug.ui/plugin.xml b/org.eclipse.debug.ui/plugin.xml
index c12c749ad..7c47f098b 100644
--- a/org.eclipse.debug.ui/plugin.xml
+++ b/org.eclipse.debug.ui/plugin.xml
@@ -1229,6 +1229,12 @@
                menubarPath="variableGroup"
                id="org.eclipse.debug.ui.actions.SelectAllVariablesAction">
          </action>
+         <action
+               helpContextId="find_variable_action_context"
+               label="%FindVariable.label"
+               class="org.eclipse.debug.internal.ui.actions.FindVariableAction"
+               menubarPath="variableGroup"
+               id="org.eclipse.debug.ui.actions.FindVariableAction"/>
       </viewerContribution>
 <!-- Contributions to Expression View Popup Menu -->
       <viewerContribution
diff --git a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/actions/ActionMessages.properties b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/actions/ActionMessages.properties
index 1cba04436..8d3b6860f 100644
--- a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/actions/ActionMessages.properties
+++ b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/actions/ActionMessages.properties
@@ -139,3 +139,7 @@ ModifyWatchpointAction.0=Error
 ModifyWatchpointAction.1=Failed to modify watchpoint
 LaunchShortcutsAction.0={0} As
 LaunchShortcutsAction.1=(none applicable)
+FindVariableDialog.0=An exception occurred computing variable name. See log for details.
+FindVariableDialog.1=&Select a variable to display (? = any character, * = any String):
+FindVariableDialog.2=&Matching variables:
+FindVariableDialog.3=Find Variable
diff --git a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/actions/FindVariableAction.java b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/actions/FindVariableAction.java
new file mode 100644
index 000000000..d84fd9cc7
--- /dev/null
+++ b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/actions/FindVariableAction.java
@@ -0,0 +1,45 @@
+/*******************************************************************************
+ * Copyright (c) 2004 IBM Corporation 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:
+ *     IBM Corporation - initial implementation
+ *******************************************************************************/
+package org.eclipse.debug.internal.ui.actions;
+
+import org.eclipse.debug.internal.ui.views.variables.VariablesView;
+import org.eclipse.jface.action.IAction;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.ui.IViewActionDelegate;
+import org.eclipse.ui.IViewPart;
+
+/**
+ * Action which prompts the user to help them find a variable in
+ * the variables view.
+ */
+public class FindVariableAction implements IViewActionDelegate {
+    
+    private VariablesView fView;
+
+    public FindVariableAction() {
+        super();
+    }
+
+    public void init(IViewPart view) {
+        fView= (VariablesView) view;
+    }
+
+    public void run(IAction action) {
+        Shell shell = fView.getSite().getShell();
+        FindVariableDialog dialog= new FindVariableDialog(shell, fView);
+        dialog.open();
+    }
+
+    public void selectionChanged(IAction action, ISelection selection) {
+    }
+
+}
diff --git a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/actions/FindVariableDialog.java b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/actions/FindVariableDialog.java
new file mode 100644
index 000000000..3fcd3a153
--- /dev/null
+++ b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/actions/FindVariableDialog.java
@@ -0,0 +1,210 @@
+/*******************************************************************************
+ * Copyright (c) 2004 IBM Corporation 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:
+ *     IBM Corporation - initial implementation
+ *******************************************************************************/
+package org.eclipse.debug.internal.ui.actions;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.eclipse.debug.core.DebugException;
+import org.eclipse.debug.core.model.IValue;
+import org.eclipse.debug.core.model.IVariable;
+import org.eclipse.debug.internal.ui.DebugUIPlugin;
+import org.eclipse.debug.internal.ui.views.DebugViewDecoratingLabelProvider;
+import org.eclipse.debug.internal.ui.views.DebugViewInterimLabelProvider;
+import org.eclipse.debug.internal.ui.views.DebugViewLabelDecorator;
+import org.eclipse.debug.internal.ui.views.variables.VariablesView;
+import org.eclipse.debug.internal.ui.views.variables.VariablesViewer;
+import org.eclipse.debug.ui.IDebugModelPresentation;
+import org.eclipse.debug.ui.IValueDetailListener;
+import org.eclipse.jface.dialogs.Dialog;
+import org.eclipse.jface.dialogs.IDialogConstants;
+import org.eclipse.jface.viewers.ILabelProvider;
+import org.eclipse.jface.viewers.ILabelProviderListener;
+import org.eclipse.jface.viewers.IStructuredContentProvider;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.jface.viewers.StructuredSelection;
+import org.eclipse.jface.viewers.TableViewer;
+import org.eclipse.jface.viewers.Viewer;
+import org.eclipse.jface.viewers.ViewerFilter;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.ModifyEvent;
+import org.eclipse.swt.events.ModifyListener;
+import org.eclipse.swt.events.SelectionAdapter;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.graphics.Image;
+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.Shell;
+import org.eclipse.swt.widgets.Table;
+import org.eclipse.swt.widgets.Text;
+import org.eclipse.swt.widgets.TreeItem;
+import org.eclipse.ui.IEditorInput;
+import org.eclipse.ui.internal.ide.StringMatcher;
+
+public class FindVariableDialog extends Dialog {
+    
+    private TableViewer fViewer;
+    private VariablesView fView;
+    private Text fText;
+    private StringMatcher fMatcher;
+    private int fTextLength;
+    
+    private class FindVariableContentProvider implements IStructuredContentProvider {
+        public void dispose() {
+        }
+        public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
+        }
+        public Object[] getElements(Object inputElement) {
+            return getVariables(((VariablesViewer) fView.getViewer()).getTree().getItems());
+        }
+        private IVariable[] getVariables(TreeItem[] items) {
+            List variables= new ArrayList();
+            getVariables(items, variables);
+            return (IVariable[]) variables.toArray(new IVariable[variables.size()]);
+        }
+        private void getVariables(TreeItem[] items, List variables) {
+            for (int i = 0; i < items.length; i++) {
+                Object data = items[i].getData();
+                if (data instanceof IVariable) {
+                    variables.add(data);
+                }
+                getVariables(items[i].getItems(), variables);
+            }
+        }
+    }
+    
+    private class FindVariableFilter extends ViewerFilter {
+        public boolean select(Viewer viewer, Object parentElement, Object element) {
+            if (fMatcher == null) {
+                return true;
+            }
+            try {
+                String name= ((IVariable) element).getName();
+                fMatcher.match(name, 0, fTextLength - 1);
+                return fMatcher.match(name);
+            } catch (DebugException e) {
+            }
+            return false;
+        }
+    }
+    
+    private class FindVariableModelPresentation implements IDebugModelPresentation {
+        public Image getImage(Object element) {
+            IVariable variable= (IVariable) element;
+            IDebugModelPresentation presentation= fView.getPresentation(variable.getModelIdentifier());
+            return presentation.getImage(element);
+        }
+        public String getText(Object element) {
+            try {
+                return ((IVariable) element).getName();
+            } catch (DebugException e) {
+                DebugUIPlugin.log(e.getStatus());
+            }
+            return ActionMessages.getString("FindVariableDialog.0"); //$NON-NLS-1$
+        }
+        public void setAttribute(String attribute, Object value) {}
+        public void computeDetail(IValue value, IValueDetailListener listener) {}
+        public void addListener(ILabelProviderListener listener) {}
+        public void dispose() {}
+        public boolean isLabelProperty(Object element, String property) {
+            return false;
+        }
+        public void removeListener(ILabelProviderListener listener) {}
+        public IEditorInput getEditorInput(Object element) {
+            return null;
+        }
+        public String getEditorId(IEditorInput input, Object element) {
+            return null;
+        }
+    }
+
+    protected FindVariableDialog(Shell parentShell, VariablesView view) {
+        super(parentShell);
+        fView= view;
+    }
+
+    protected Control createDialogArea(Composite parent) {
+        Composite composite= (Composite) super.createDialogArea(parent);
+        
+        Label label= new Label(composite, SWT.NONE);
+        label.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
+        label.setFont(parent.getFont());
+        label.setText(ActionMessages.getString("FindVariableDialog.1")); //$NON-NLS-1$
+        
+        fText= new Text(composite, SWT.SINGLE);
+        fText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
+        fText.setFont(parent.getFont());
+        fText.addModifyListener(new ModifyListener() {
+            public void modifyText(ModifyEvent e) {
+                textModified();
+            }
+        });
+        
+        label= new Label(composite, SWT.NONE);
+        label.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
+        label.setFont(parent.getFont());
+        label.setText(ActionMessages.getString("FindVariableDialog.2")); //$NON-NLS-1$
+        
+        fViewer= new TableViewer(composite, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
+        Table table = fViewer.getTable();
+        GridData gridData = new GridData(GridData.FILL_BOTH);
+        gridData.heightHint= 200;
+        table.setLayoutData(gridData);
+        table.setFont(parent.getFont());
+        fViewer.setContentProvider(new FindVariableContentProvider());
+        fViewer.addFilter(new FindVariableFilter());
+        fViewer.setInput(new Object());
+        FindVariableModelPresentation presentation = new FindVariableModelPresentation();
+        ILabelProvider provider= new DebugViewDecoratingLabelProvider(fViewer, new DebugViewInterimLabelProvider(presentation), new DebugViewLabelDecorator(presentation));
+        fViewer.setLabelProvider(provider);
+        table.addSelectionListener(new SelectionAdapter() {
+            public void widgetSelected(SelectionEvent e) {
+                selectionChanged();
+            }
+        });
+        
+        return composite;
+    }
+    
+    private void textModified() {
+        StringBuffer text = new StringBuffer(fText.getText());
+        if (text.length() == 0 || text.charAt(text.length() - 1) != '*') {
+            text.append("*"); //$NON-NLS-1$
+        }
+        fMatcher= new StringMatcher(text.toString(), true, false);
+        fTextLength= text.length();
+        fViewer.refresh(false);
+        if (((IStructuredSelection) fViewer.getSelection()).isEmpty()) {
+            Table table= fViewer.getTable();
+            if (table.getItemCount() > 0) {
+                fViewer.setSelection(new StructuredSelection(table.getItem(0).getData()));
+                selectionChanged();
+            }
+        }
+    }
+    
+    private void selectionChanged() {
+        fView.getViewer().setSelection(fViewer.getSelection(), true);
+    }
+
+    protected void createButtonsForButtonBar(Composite parent) {
+        createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL,
+                true);
+    }
+
+    protected void configureShell(Shell newShell) {
+        newShell.setText(ActionMessages.getString("FindVariableDialog.3")); //$NON-NLS-1$
+        super.configureShell(newShell);
+    }
+
+}