net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/util/ResourceSelector.java

   1 package net.sourceforge.phpdt.internal.ui.util;
   2
   3 import org.eclipse.swt.SWT;
   4 import org.eclipse.swt.events.ModifyEvent;
   5 import org.eclipse.swt.events.ModifyListener;
   6 import org.eclipse.swt.events.SelectionAdapter;
   7 import org.eclipse.swt.events.SelectionEvent;
   8 import org.eclipse.swt.layout.GridData;
   9 import org.eclipse.swt.layout.GridLayout;
  10 import org.eclipse.swt.widgets.Button;
  11 import org.eclipse.swt.widgets.Composite;
  12 import org.eclipse.swt.widgets.Shell;
  13 import org.eclipse.swt.widgets.Text;
  14
  15 public abstract class ResourceSelector {
  16         protected final static String EMPTY_STRING = "";
  17         protected Composite composite;
  18         protected Button browseButton;
  19         protected Text textField;
  20         protected String browseDialogMessage = EMPTY_STRING;
  21         protected String browseDialogTitle = EMPTY_STRING;
  22         protected String validatedSelectionText = EMPTY_STRING;
  23
  24         public ResourceSelector(Composite parent) {
  25                 composite = new Composite(parent, SWT.NONE);
  26                 GridLayout compositeLayout = new GridLayout();
  27                 compositeLayout.marginWidth = 0;
  28                 compositeLayout.marginHeight = 0;
  29                 compositeLayout.numColumns = 2;
  30                 composite.setLayout(compositeLayout);
  31
  32                 textField = new Text(composite, SWT.SINGLE | SWT.BORDER);
  33                 textField.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
  34                 textField.addModifyListener(new ModifyListener() {
  35                         public void modifyText(ModifyEvent e) {
  36                                 validatedSelectionText = validateResourceSelection();
  37                         }
  38                 });
  39
  40                 browseButton = new Button(composite, SWT.PUSH);
  41                 browseButton.setText("Browse...");
  42                 browseButton.addSelectionListener(new SelectionAdapter() {
  43                         public void widgetSelected(SelectionEvent e) {
  44                                 handleBrowseSelected();
  45                         }
  46                 });
  47         }
  48
  49         protected abstract void handleBrowseSelected();
  50         protected abstract String validateResourceSelection();
  51
  52         protected Shell getShell() {
  53                 return composite.getShell();
  54         }
  55
  56         public void setLayoutData(Object layoutData) {
  57                 composite.setLayoutData(layoutData);
  58         }
  59
  60         public void addModifyListener(ModifyListener aListener) {
  61                 textField.addModifyListener(aListener);
  62         }
  63
  64         public void setBrowseDialogMessage(String aMessage) {
  65                 browseDialogMessage = aMessage;
  66         }
  67
  68         public void setBrowseDialogTitle(String aTitle) {
  69                 browseDialogTitle = aTitle;
  70         }
  71
  72         public void setEnabled(boolean enabled) {
  73                 composite.setEnabled(enabled);
  74                 textField.setEnabled(enabled);
  75                 browseButton.setEnabled(enabled);
  76         }
  77
  78         public String getSelectionText() {
  79                 return textField.getText();
  80         }
  81
  82         public String getValidatedSelectionText() {
  83                 return validatedSelectionText;
  84         }
  85
  86         public void setSelectionText(String newText) {
  87                 textField.setText(newText);
  88         }
  89 }