net.sourceforge.phpeclipse.debug.ui/src/net/sourceforge/phpdt/internal/debug/ui/preferences/PHPInterpreterPreferencePage.java

   1 package net.sourceforge.phpdt.internal.debug.ui.preferences;
   2
   3 import java.util.ArrayList;
   4 import java.util.List;
   5
   6 import org.eclipse.jface.preference.PreferencePage;
   7 import org.eclipse.jface.viewers.CheckStateChangedEvent;
   8 import org.eclipse.jface.viewers.CheckboxTableViewer;
   9 import org.eclipse.jface.viewers.DoubleClickEvent;
  10 import org.eclipse.jface.viewers.ICheckStateListener;
  11 import org.eclipse.jface.viewers.IDoubleClickListener;
  12 import org.eclipse.jface.viewers.ISelectionChangedListener;
  13 import org.eclipse.jface.viewers.IStructuredSelection;
  14 import org.eclipse.jface.viewers.SelectionChangedEvent;
  15 import org.eclipse.swt.SWT;
  16 import org.eclipse.swt.layout.GridData;
  17 import org.eclipse.swt.layout.GridLayout;
  18 import org.eclipse.swt.widgets.Button;
  19 import org.eclipse.swt.widgets.Composite;
  20 import org.eclipse.swt.widgets.Control;
  21 import org.eclipse.swt.widgets.Event;
  22 import org.eclipse.swt.widgets.Listener;
  23 import org.eclipse.swt.widgets.Table;
  24 import org.eclipse.swt.widgets.TableColumn;
  25 import org.eclipse.swt.widgets.TableItem;
  26 import org.eclipse.ui.IWorkbench;
  27 import org.eclipse.ui.IWorkbenchPreferencePage;
  28 import net.sourceforge.phpdt.internal.debug.ui.PHPDebugUiMessages;
  29 import net.sourceforge.phpdt.internal.launching.PHPInterpreter;
  30 import net.sourceforge.phpdt.internal.launching.PHPRuntime;
  31
  32 public class PHPInterpreterPreferencePage extends PreferencePage implements IWorkbenchPreferencePage {
  33         protected CheckboxTableViewer tableViewer;
  34         protected Button addButton, editButton, removeButton;
  35
  36         public PHPInterpreterPreferencePage() {
  37                 super();
  38         }
  39
  40         public void init(IWorkbench workbench) {}
  41
  42         protected Control createContents(Composite parent) {
  43                 noDefaultAndApplyButton();
  44
  45                 Composite composite = createPageRoot(parent);
  46                 Table table = createInstalledInterpretersTable(composite);
  47                 createInstalledInterpretersTableViewer(table);
  48                 createButtonGroup(composite);
  49
  50                 tableViewer.setInput(PHPRuntime.getDefault().getInstalledInterpreters());
  51                 PHPInterpreter selectedInterpreter = PHPRuntime.getDefault().getSelectedInterpreter();
  52                 if (selectedInterpreter != null)
  53                         tableViewer.setChecked(selectedInterpreter, true);
  54
  55                 enableButtons();
  56
  57                 return composite;
  58         }
  59
  60         protected void createButtonGroup(Composite composite) {
  61                 Composite buttons = new Composite(composite, SWT.NULL);
  62                 buttons.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_BEGINNING));
  63                 GridLayout layout = new GridLayout();
  64                 layout.marginHeight = 0;
  65                 layout.marginWidth = 0;
  66                 buttons.setLayout(layout);
  67
  68                 addButton = new Button(buttons, SWT.PUSH);
  69                 addButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
  70                 addButton.setText(PHPDebugUiMessages.getString("PHPInterpreterPreferencePage.addButton.label")); //$NON-NLS-1$
  71                 addButton.addListener(SWT.Selection, new Listener() {
  72                         public void handleEvent(Event evt) {
  73                                 addInterpreter();
  74                         }
  75                 });
  76
  77                 editButton = new Button(buttons, SWT.PUSH);
  78                 editButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
  79                 editButton.setText(PHPDebugUiMessages.getString("PHPInterpreterPreferencePage.editButton.label")); //$NON-NLS-1$
  80                 editButton.addListener(SWT.Selection, new Listener() {
  81                         public void handleEvent(Event evt) {
  82                                 editInterpreter();
  83                         }
  84                 });
  85
  86                 removeButton = new Button(buttons, SWT.PUSH);
  87                 removeButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
  88                 removeButton.setText(PHPDebugUiMessages.getString("PHPInterpreterPreferencePage.removeButton.label")); //$NON-NLS-1$
  89                 removeButton.addListener(SWT.Selection, new Listener() {
  90                         public void handleEvent(Event evt) {
  91                                 removeInterpreter();
  92                         }
  93                 });
  94         }
  95
  96         protected void createInstalledInterpretersTableViewer(Table table) {
  97                 tableViewer = new CheckboxTableViewer(table);
  98
  99                 tableViewer.setLabelProvider(new PHPInterpreterLabelProvider());
 100                 tableViewer.setContentProvider(new PHPInterpreterContentProvider());
 101
 102                 tableViewer.addSelectionChangedListener(new ISelectionChangedListener() {
 103                         public void selectionChanged(SelectionChangedEvent evt) {
 104                                 enableButtons();
 105                         }
 106                 });
 107
 108                 tableViewer.addCheckStateListener(new ICheckStateListener() {
 109                         public void checkStateChanged(CheckStateChangedEvent event) {
 110                                 updateSelectedInterpreter(event.getElement());
 111                         }
 112                 });
 113
 114                 tableViewer.addDoubleClickListener(new IDoubleClickListener() {
 115                         public void doubleClick(DoubleClickEvent e) {
 116                                 editInterpreter();
 117                         }
 118                 });
 119         }
 120
 121         protected Table createInstalledInterpretersTable(Composite composite) {
 122                 Table table = new Table(composite, SWT.CHECK | SWT.BORDER | SWT.FULL_SELECTION);
 123
 124                 GridData data = new GridData(GridData.FILL_BOTH);
 125                 data.widthHint = convertWidthInCharsToPixels(80);
 126                 data.heightHint = convertHeightInCharsToPixels(10);
 127                 table.setLayoutData(data);
 128                 table.setHeaderVisible(true);
 129                 table.setLinesVisible(false);
 130
 131                 TableColumn column = new TableColumn(table, SWT.NULL);
 132                 column.setText(PHPDebugUiMessages.getString("PHPInterpreterPreferencePage.PHPInterpreterTable.interpreterName")); //$NON-NLS-1$
 133                 column.setWidth(125);
 134
 135                 column = new TableColumn(table, SWT.NULL);
 136                 column.setText(PHPDebugUiMessages.getString("PHPInterpreterPreferencePage.PHPInterpreterTable.interpreterPath")); //$NON-NLS-1$
 137                 column.setWidth(350);
 138
 139                 return table;
 140         }
 141
 142         protected Composite createPageRoot(Composite parent) {
 143                 Composite composite = new Composite(parent, SWT.NULL);
 144                 GridLayout layout = new GridLayout();
 145                 layout.numColumns = 2;
 146                 composite.setLayout(layout);
 147                 return composite;
 148         }
 149
 150         protected void addInterpreter() {
 151                 PHPInterpreter newInterpreter = new PHPInterpreter(null, null);
 152                 EditInterpreterDialog editor = new EditInterpreterDialog(getShell(), PHPDebugUiMessages.getString("PHPInterpreterPreferencePage.EditInterpreterDialog.addInterpreter.title")); //$NON-NLS-1$
 153                 editor.create();
 154                 editor.setInterpreterToEdit(newInterpreter);
 155                 if (EditInterpreterDialog.OK == editor.open())
 156                         tableViewer.add(newInterpreter);
 157         }
 158
 159         protected void removeInterpreter() {
 160                 tableViewer.remove(getSelectedInterpreter());
 161         }
 162
 163         protected void enableButtons() {
 164                 if (getSelectedInterpreter() != null) {
 165                         editButton.setEnabled(true);
 166                         removeButton.setEnabled(true);
 167                 } else {
 168                         editButton.setEnabled(false);
 169                         removeButton.setEnabled(false);
 170                 }
 171         }
 172
 173         protected void updateSelectedInterpreter(Object interpreter) {
 174                 Object[] checkedElements = tableViewer.getCheckedElements();
 175                 for (int i = 0; i < checkedElements.length; i++) {
 176                         tableViewer.setChecked(checkedElements[i], false);
 177                 }
 178
 179                 tableViewer.setChecked(interpreter, true);
 180         }
 181
 182         protected void editInterpreter() {
 183                 EditInterpreterDialog editor = new EditInterpreterDialog(getShell(), PHPDebugUiMessages.getString("PHPInterpreterPreferencePage.EditInterpreterDialog.editInterpreter.title")); //$NON-NLS-1$
 184                 editor.create();
 185
 186                 PHPInterpreter anInterpreter = getSelectedInterpreter();
 187                 editor.setInterpreterToEdit(anInterpreter);
 188                 if (EditInterpreterDialog.OK == editor.open())
 189                         tableViewer.update(anInterpreter, null);
 190         }
 191
 192         protected PHPInterpreter getSelectedInterpreter() {
 193                 IStructuredSelection selection = (IStructuredSelection) tableViewer.getSelection();
 194                 return (PHPInterpreter) selection.getFirstElement();
 195         }
 196
 197         public boolean performOk() {
 198                 TableItem[] tableItems = tableViewer.getTable().getItems();
 199                 List installedInterpreters = new ArrayList(tableItems.length);
 200                 for (int i = 0; i < tableItems.length; i++)
 201                         installedInterpreters.add(tableItems[i].getData());
 202                 PHPRuntime.getDefault().setInstalledInterpreters(installedInterpreters);
 203
 204                 Object[] checkedElements = tableViewer.getCheckedElements();
 205                 if (checkedElements.length > 0)
 206                         PHPRuntime.getDefault().setSelectedInterpreter((PHPInterpreter) checkedElements[0]);
 207
 208                 return super.performOk();
 209         }
 210
 211 }