Java tutorial
//This product is provided under the terms of EPL (Eclipse Public License) //version 1.0. // //The full license text can be read from: http://www.eclipse.org/org/documents/epl-v10.php package org.dtangler.swingui.mainview.impl; import java.awt.Component; import java.awt.Dimension; import java.awt.datatransfer.DataFlavor; import java.awt.datatransfer.Transferable; import java.awt.datatransfer.UnsupportedFlavorException; import java.awt.dnd.DnDConstants; import java.awt.dnd.DropTargetAdapter; import java.awt.dnd.DropTargetDropEvent; import java.awt.event.InputEvent; import java.awt.event.KeyEvent; import java.io.File; import java.io.IOException; import java.util.List; import javax.swing.JButton; import javax.swing.JComboBox; import javax.swing.JComponent; import javax.swing.JList; import javax.swing.JMenu; import javax.swing.JMenuBar; import javax.swing.JMenuItem; import javax.swing.JPopupMenu; import javax.swing.JScrollPane; import javax.swing.JSplitPane; import javax.swing.JTabbedPane; import javax.swing.JToggleButton; import javax.swing.KeyStroke; import javax.swing.plaf.basic.BasicSplitPaneUI; import org.dtangler.core.dependencies.Dependencies; import org.dtangler.core.dependencies.Scope; import org.dtangler.core.dependencies.Dependencies.DependencyFilter; import org.dtangler.swingui.actionfactory.ActionFactory; import org.dtangler.swingui.actionfactory.ActionKey; import org.dtangler.swingui.dsm.DsmView; import org.dtangler.swingui.resource.icons.IconKey; import org.dtangler.swingui.windowmanager.SwingBaseView; import com.jgoodies.forms.builder.DefaultFormBuilder; import com.jgoodies.forms.factories.ButtonBarFactory; import com.jgoodies.forms.layout.FormLayout; public class SwingMainView extends SwingBaseView implements MainView { public static final String menuItemZoomInNameHeader = "Zoom in (show contents)"; public static final String menuItemZoomInNameData = "Zoom in (show dependencies)"; private final JList selectionViolations = new JList(); private final JList allViolations = new JList(); private final JButton newButton; private final JButton rulesButton; private final JButton refreshButton; private final DsmView dsmView; private final JComboBox scopeCombo = new JComboBox(); private final JToggleButton shortNameButton; private final JMenuItem shortNameMenuItem; private String fileName; public SwingMainView(ActionFactory actionFactory, DsmView dsmView) { super(actionFactory); this.dsmView = dsmView; newButton = createButton("Input...", Actions.input, IconKey.input24); rulesButton = createButton("Rules...", Actions.rules, IconKey.police24); refreshButton = createButton("Refresh", Actions.refresh, IconKey.refresh24); dsmView.getJComponent().addMouseListener(createDoubleClickAdapter(Actions.zoomInDependencies)); scopeCombo.addActionListener(getAction(Actions.changeScope)); selectionViolations.setName("selectionViolations"); allViolations.setName("allViolations"); shortNameButton = createToolToggleButton(Actions.toggleShortName, IconKey.shorten16, "Show shortened names"); shortNameMenuItem = createCheckBoxMenuItem("Show shortened names", 'n', Actions.toggleShortName, IconKey.shorten16, null); } private JPopupMenu createPopupMenu(Dependencies.DependencyFilter dependencyFilter) { JPopupMenu popupMenu = new JPopupMenu(); if (dependencyFilter == DependencyFilter.itemsContributingToTheParentDependencyWeight) { popupMenu.add(createMenuItem(menuItemZoomInNameData, 'i', Actions.zoomInDependencies, IconKey.zoomin16, null)); } else { popupMenu.add( createMenuItem(menuItemZoomInNameHeader, 'i', Actions.zoomInContents, IconKey.zoomin16, null)); } popupMenu.add(createMenuItem("Zoom out", 'o', Actions.zoomOut, IconKey.zoomout16, null)); popupMenu.addSeparator(); popupMenu.add(createMenuItem("Add to forbidden dependencies", 'f', Actions.addforbiddendeps, null)); return popupMenu; } protected JComponent buildViewComponent() { DefaultFormBuilder builder = new DefaultFormBuilder( new FormLayout("fill:10dlu:grow", "fill:10dlu:grow,4dlu,p")); builder.setDefaultDialogBorder(); builder.append(createSplitPane()); builder.nextRow(); builder.append(ButtonBarFactory.buildLeftAlignedBar(newButton, rulesButton, refreshButton)); return builder.getPanel(); } private Component createSplitPane() { JSplitPane splitPane = createSplitPane(JSplitPane.VERTICAL_SPLIT, createDsmView(), createViolationsPanel()); splitPane.setResizeWeight(1); splitPane.setDividerLocation(370); return splitPane; } private Component createDsmView() { DefaultFormBuilder builder = new DefaultFormBuilder( new FormLayout("fill:10dlu:grow", "p,4dlu,fill:10dlu:grow")); builder.append(createScopePanel()); builder.nextRow(); JScrollPane scrollPane = new JScrollPane(dsmView.getJComponent()); builder.append(scrollPane); JPopupMenu popupMenuForHeaderCells = createPopupMenu(DependencyFilter.none); JPopupMenu popupMenuForDataCells = createPopupMenu( DependencyFilter.itemsContributingToTheParentDependencyWeight); dsmView.setPopupMenuForDataCells(popupMenuForDataCells); dsmView.setPopupMenuForHeaderCells(popupMenuForHeaderCells); dsmView.refreshPopupMenu(); scrollPane.setComponentPopupMenu(popupMenuForHeaderCells); return builder.getPanel(); } private Component createScopePanel() { DefaultFormBuilder builder = new DefaultFormBuilder( new FormLayout("p,4dlu,max(60dlu;p),4dlu,20,2dlu,20,4dlu,20", "fill:p")); JButton zoomInBtn = createToolButton(Actions.zoomIn, IconKey.zoomin16, "Zoom in onto selection"); JButton zoomOutBtn = createToolButton(Actions.zoomOut, IconKey.zoomout16, "Zoom out"); builder.append("Scope"); builder.append(scopeCombo); builder.append(zoomInBtn, zoomOutBtn); builder.append(shortNameButton); return builder.getPanel(); } private JButton createToolButton(ActionKey actionKey, IconKey iconKey, String tooltipText) { JButton btn = new JButton(getAction(actionKey)); btn.setName(actionKey.name()); btn.setToolTipText(tooltipText); btn.setIcon(getIcon(iconKey)); btn.setBorder(null); btn.setFocusable(false); return btn; } private JToggleButton createToolToggleButton(ActionKey actionKey, IconKey iconKey, String tooltipText) { JToggleButton btn = new JToggleButton(getAction(actionKey)); btn.setName(actionKey.name()); btn.setToolTipText(tooltipText); btn.setIcon(getIcon(iconKey)); btn.setFocusable(false); btn.setBorder(null); return btn; } private JSplitPane createSplitPane(int orientation, Component firstComponent, Component secondComponent) { JSplitPane splitpane = new JSplitPane(orientation, firstComponent, secondComponent); splitpane.setUI(new BasicSplitPaneUI() { public void installUI(JComponent c) { super.installUI(c); divider.setBorder(null); } }); splitpane.setBorder(null); return splitpane; } private Component createViolationsPanel() { DefaultFormBuilder builder = new DefaultFormBuilder(new FormLayout("fill:10dlu:grow", "p,fill:30dlu:grow")); builder.appendSeparator("Violations"); builder.append(buildViolationsTabGroup()); return builder.getPanel(); } private Component buildViolationsTabGroup() { JTabbedPane tabbedPane = new JTabbedPane(); tabbedPane.addTab("All violations", createAllViolationsPanel()); tabbedPane.addTab("Selected violations", createCellViolationsPanel()); return tabbedPane; } private Component createCellViolationsPanel() { return new JScrollPane(selectionViolations); } private Component createAllViolationsPanel() { return new JScrollPane(allViolations); } public void setSelectionViolations(List<String> violations) { selectionViolations.setListData(violations.toArray()); } public void setAllViolations(List<String> violations) { allViolations.setListData(violations.toArray()); } public Dimension getPreferredSize() { return new Dimension(800, 600); } public String getTitle() { StringBuilder sb = new StringBuilder(); sb.append("DTangler DsmUI"); if (fileName != null) { sb.append(" - "); sb.append(fileName); } return sb.toString(); } public JMenuBar getMenuBar() { JMenuBar menuBar = new JMenuBar(); JMenu fileMenu = menuBar.add(createMenu("File", 'f')); fileMenu.add(createMenuItem("New", 'n', Actions.clear, KeyStroke.getKeyStroke(KeyEvent.VK_N, InputEvent.CTRL_DOWN_MASK))); fileMenu.add(createMenuItem("Open...", 'o', Actions.open, KeyStroke.getKeyStroke(KeyEvent.VK_O, InputEvent.CTRL_DOWN_MASK))); fileMenu.add(createMenuItem("Save", 's', Actions.save, KeyStroke.getKeyStroke(KeyEvent.VK_S, InputEvent.CTRL_DOWN_MASK))); fileMenu.add(createMenuItem("Save as...", 'a', Actions.saveas, KeyStroke.getKeyStroke(KeyEvent.VK_S, InputEvent.SHIFT_DOWN_MASK | InputEvent.CTRL_DOWN_MASK))); fileMenu.addSeparator(); fileMenu.add(createMenuItem("Exit", 'x', Actions.exit, null)); JMenu dsmMenu = menuBar.add(createMenu("Model", 'd')); dsmMenu.add(createMenuItem("Refresh", 'f', Actions.refresh, KeyStroke.getKeyStroke(KeyEvent.VK_F5, 0))); dsmMenu.addSeparator(); dsmMenu.add(createMenuItem("Dependency input...", 'i', Actions.input, KeyStroke.getKeyStroke(KeyEvent.VK_I, InputEvent.CTRL_DOWN_MASK))); dsmMenu.add(createMenuItem("Rules...", 'r', Actions.rules, KeyStroke.getKeyStroke(KeyEvent.VK_R, InputEvent.CTRL_DOWN_MASK))); JMenu viewMenu = menuBar.add(createMenu("View", 'd')); viewMenu.add(shortNameMenuItem); viewMenu.addSeparator(); viewMenu.add(createMenuItem("Zoom in onto selection", 'i', Actions.zoomIn, IconKey.zoomin16, KeyStroke.getKeyStroke('+'))); viewMenu.add(createMenuItem("Zoom out", 'o', Actions.zoomOut, IconKey.zoomout16, KeyStroke.getKeyStroke('-', 0))); JMenu helpMenu = menuBar.add(createMenu("Help", 'h')); helpMenu.add(createMenuItem("About dtangler...", 'a', Actions.about, null)); return menuBar; } public void setFileName(String fileName) { this.fileName = fileName; updateTitle(); } public void setScopes(List<? extends Scope> scopes) { // FIXME: not like this!!! getAction(Actions.changeScope).setEnabled(false); this.scopeCombo.removeAllItems(); for (Scope scope : scopes) this.scopeCombo.addItem(scope); getAction(Actions.changeScope).setEnabled(true); } public void setScope(Scope scope) { getAction(Actions.changeScope).setEnabled(false); scopeCombo.setSelectedItem(scope); getAction(Actions.changeScope).setEnabled(true); } public Scope getSelectedScope() { return (Scope) scopeCombo.getSelectedItem(); } public boolean isShortNameEnabled() { return shortNameButton.isSelected(); } public void setShortNameEnabled(boolean b) { shortNameButton.setSelected(b); shortNameMenuItem.setSelected(b); } public void addFileListDropListener(final FileListDropListener l) { DropTargetAdapter adapter = new DropTargetAdapter() { public void drop(DropTargetDropEvent dtde) { try { targetDropped(l, dtde); } catch (UnsupportedFlavorException e) { throw new RuntimeException(e); } catch (IOException e) { throw new RuntimeException(e); } } }; addDropTargetListener(adapter); } private void targetDropped(final FileListDropListener l, DropTargetDropEvent dtde) throws UnsupportedFlavorException, IOException { Transferable transferable = dtde.getTransferable(); DataFlavor flavor = transferable.getTransferDataFlavors()[0]; if (!DataFlavor.javaFileListFlavor.equals(flavor)) { dtde.rejectDrop(); return; } dtde.acceptDrop(DnDConstants.ACTION_COPY_OR_MOVE); onBeforeExecution(); try { List<File> files = (List<File>) transferable.getTransferData(flavor); l.fileListDropped(files); } finally { onAfterExecution(); } dtde.dropComplete(true); } }