/*
* Copyright 2015 the original author or authors.
* @https://github.com/scouter-project/scouter
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package scouter.client.views;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import java.util.Properties;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IToolBarManager;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.layout.TableColumnLayout;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.ColumnLabelProvider;
import org.eclipse.jface.viewers.ColumnWeightData;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TableViewerColumn;
import org.eclipse.swt.SWT;
import org.eclipse.swt.dnd.Clipboard;
import org.eclipse.swt.dnd.TextTransfer;
import org.eclipse.swt.dnd.Transfer;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.MouseAdapter;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.TableItem;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.part.ViewPart;
import scouter.client.Images;
import scouter.client.popup.EditableMessageDialog;
import scouter.client.sorter.ColumnLabelSorter;
import scouter.client.util.ExUtil;
import scouter.client.util.ImageUtil;
import scouter.util.StringUtil;
public class ClientEnvView extends ViewPart {
public static final String ID = ClientEnvView.class.getName();
private Text filterTxt;
private TableViewer viewer;
private TableColumnLayout tableColumnLayout;
Composite parent;
private Clipboard clipboard;
@Override
public void createPartControl(Composite parent) {
this.parent = parent;
initialLayout();
clipboard = new Clipboard(null);
IToolBarManager man = getViewSite().getActionBars().getToolBarManager();
man.add(new Action("Reload", ImageUtil.getImageDescriptor(Images.refresh)) {
public void run() {
load();
}
});
load();
}
private void initialLayout() {
Composite composite = new Composite(parent, SWT.NONE);
composite.setLayout(new GridLayout(1, true));
createUpperMenu(composite);
Composite tableComposite = new Composite(composite, SWT.NONE);
tableComposite.setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, true));
tableComposite.setLayout(new GridLayout(1, true));
createTableViewer(tableComposite);
}
private void createTableViewer(Composite composite) {
viewer = new TableViewer(composite, SWT.MULTI | SWT.FULL_SELECTION | SWT.BORDER);
tableColumnLayout = new TableColumnLayout();
composite.setLayout(tableColumnLayout);
createColumns();
final Table table = viewer.getTable();
table.setHeaderVisible(true);
table.setLinesVisible(true);
createTableContextMenu();
viewer.setContentProvider(new ArrayContentProvider());
viewer.setComparator(new ColumnLabelSorter(viewer));
GridData gridData = new GridData(GridData.FILL, GridData.FILL, true, true);
viewer.getControl().setLayoutData(gridData);
}
private void createTableContextMenu() {
MenuManager manager = new MenuManager();
viewer.getControl().setMenu(manager.createContextMenu(viewer.getControl()));
manager.add(new Action("&Copy", ImageDescriptor.createFromImage(Images.copy)) {
public void run() {
selectionCopyToClipboard();
}
});
viewer.getTable().addListener(SWT.KeyDown, new Listener() {
public void handleEvent(Event e) {
if (e.stateMask == SWT.CTRL) {
if (e.keyCode == 'c' || e.keyCode == 'C') {
selectionCopyToClipboard();
}
}
}
});
viewer.getTable().addMouseListener(new MouseAdapter() {
public void mouseDoubleClick(MouseEvent e) {
TableItem[] items = viewer.getTable().getSelection();
if (items != null && items.length > 0) {
VariableData data = (VariableData) items[0].getData();
new EditableMessageDialog().show(data.name, data.value);
}
}
});
}
private void selectionCopyToClipboard() {
if (viewer != null) {
TableItem[] items = viewer.getTable().getSelection();
if (items != null && items.length > 0) {
StringBuffer sb = new StringBuffer();
for (int i = 0; i < items.length; i++) {
VariableData data = (VariableData) items[i].getData();
sb.append(data.toString());
}
clipboard.setContents(new Object[] {sb.toString()}, new Transfer[] {TextTransfer.getInstance()});
}
}
}
ArrayList<VariableData> variableList;
private void load() {
ExUtil.asyncRun(new Runnable() {
public void run() {
variableList = new ArrayList<VariableData>();
Properties p = System.getProperties();
@SuppressWarnings("rawtypes")
Enumeration en = p.keys();
while (en.hasMoreElements()) {
VariableData data = new VariableData();
variableList.add(data);
data.name = (String) en.nextElement();;
data.value = p.getProperty(data.name);
}
ExUtil.exec(viewer.getTable(), new Runnable() {
public void run() {
viewer.setInput(variableList);
}
});
}
});
}
private void createUpperMenu(Composite composite) {
Group parentGroup = new Group(composite, SWT.NONE);
parentGroup.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
GridLayout layout = new GridLayout(4, true);
parentGroup.setLayout(layout);
Label dummyLabel = new Label(parentGroup, SWT.NONE);
dummyLabel = new Label(parentGroup, SWT.NONE);
dummyLabel = new Label(parentGroup, SWT.NONE);
dummyLabel.setLayoutData(new GridData());
filterTxt = new Text(parentGroup, SWT.BORDER);
filterTxt.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, true));
filterTxt.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
String searchText = filterTxt.getText();
if (StringUtil.isEmpty(searchText)) {
viewer.setInput(variableList);
} else {
searchText = searchText.toLowerCase();
List<VariableData> tempList = new ArrayList<VariableData>();
for (VariableData data : variableList) {
String name = data.name.toLowerCase();
String value = data.value.toLowerCase();
if (name.contains(searchText) || value.contains(searchText)) {
tempList.add(data);
}
}
viewer.setInput(tempList);
}
}
});
}
private void createColumns() {
for (VariableEnum column : VariableEnum.values()) {
TableViewerColumn c = createTableViewerColumn(column.getTitle(), column.getWidth(), column.getAlignment(), column.isResizable(), column.isMoveable(), column.isNumber());
ColumnLabelProvider labelProvider = null;
switch (column) {
case NAME:
labelProvider = new ColumnLabelProvider() {
@Override
public String getText(Object element) {
if (element instanceof VariableData) {
return ((VariableData) element).name;
}
return null;
}
};
break;
case VALUE:
labelProvider = new ColumnLabelProvider() {
@Override
public String getText(Object element) {
if (element instanceof VariableData) {
return ((VariableData) element).value;
}
return null;
}
};
break;
}
if (labelProvider != null) {
c.setLabelProvider(labelProvider);
}
}
}
private TableViewerColumn createTableViewerColumn(String title, int width, int alignment, boolean resizable, boolean moveable, final boolean isNumber) {
final TableViewerColumn viewerColumn = new TableViewerColumn(viewer, SWT.NONE);
final TableColumn column = viewerColumn.getColumn();
column.setText(title);
column.setAlignment(alignment);
column.setMoveable(moveable);
tableColumnLayout.setColumnData(column, new ColumnWeightData(30, width, resizable));
column.setData("isNumber", isNumber);
column.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
ColumnLabelSorter sorter = (ColumnLabelSorter) viewer.getComparator();
TableColumn selectedColumn = (TableColumn) e.widget;
sorter.setColumn(selectedColumn);
}
});
return viewerColumn;
}
@Override
public void setFocus() {
}
enum VariableEnum {
NAME("Name", 50, SWT.LEFT, true, true, false), //
VALUE("Value", 50, SWT.LEFT, true, true, false);
private final String title;
private final int width;
private final int alignment;
private final boolean resizable;
private final boolean moveable;
private final boolean isNumber;
private VariableEnum(String text, int width, int alignment, boolean resizable, boolean moveable, boolean isNumber) {
this.title = text;
this.width = width;
this.alignment = alignment;
this.resizable = resizable;
this.moveable = moveable;
this.isNumber = isNumber;
}
public String getTitle(){
return title;
}
public int getAlignment(){
return alignment;
}
public boolean isResizable(){
return resizable;
}
public boolean isMoveable(){
return moveable;
}
public int getWidth() {
return width;
}
public boolean isNumber() {
return this.isNumber;
}
}
class VariableData {
public String name;
public String value;
public String toString() {
return name + "\t" + value + "\n";
}
}
}