net.sourceforge.phpeclipse.ui/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
  18         protected Composite composite;
  19
  20         protected Button browseButton;
  21
  22         protected Text textField;
  23
  24         protected String browseDialogMessage = EMPTY_STRING;
  25
  26         protected String browseDialogTitle = EMPTY_STRING;
  27
  28         protected String validatedSelectionText = EMPTY_STRING;
  29
  30         public ResourceSelector(Composite parent) {
  31                 composite = new Composite(parent, SWT.NONE);
  32                 GridLayout compositeLayout = new GridLayout();
  33                 compositeLayout.marginWidth = 0;
  34                 compositeLayout.marginHeight = 0;
  35                 compositeLayout.numColumns = 2;
  36                 composite.setLayout(compositeLayout);
  37
  38                 textField = new Text(composite, SWT.SINGLE | SWT.BORDER);
  39                 textField.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
  40                 textField.addModifyListener(new ModifyListener() {
  41                         public void modifyText(ModifyEvent e) {
  42                                 validatedSelectionText = validateResourceSelection();
  43                         }
  44                 });
  45
  46                 browseButton = new Button(composite, SWT.PUSH);
  47                 browseButton.setText("Browse...");
  48                 browseButton.addSelectionListener(new SelectionAdapter() {
  49                         public void widgetSelected(SelectionEvent e) {
  50                                 handleBrowseSelected();
  51                         }
  52                 });
  53         }
  54
  55         protected abstract void handleBrowseSelected();
  56
  57         protected abstract String validateResourceSelection();
  58
  59         protected Shell getShell() {
  60                 return composite.getShell();
  61         }
  62
  63         public void setLayoutData(Object layoutData) {
  64                 composite.setLayoutData(layoutData);
  65         }
  66
  67         public void addModifyListener(ModifyListener aListener) {
  68                 textField.addModifyListener(aListener);
  69         }
  70
  71         public void setBrowseDialogMessage(String aMessage) {
  72                 browseDialogMessage = aMessage;
  73         }
  74
  75         public void setBrowseDialogTitle(String aTitle) {
  76                 browseDialogTitle = aTitle;
  77         }
  78
  79         public void setEnabled(boolean enabled) {
  80                 composite.setEnabled(enabled);
  81                 textField.setEnabled(enabled);
  82                 browseButton.setEnabled(enabled);
  83         }
  84
  85         public String getSelectionText() {
  86                 return textField.getText();
  87         }
  88
  89         public String getValidatedSelectionText() {
  90                 return validatedSelectionText;
  91         }
  92
  93         public void setSelectionText(String newText) {
  94                 textField.setText(newText);
  95         }
  96 }