net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpeclipse/wizards/html/SomeItemInputDialog.java

   1 /*
   2  * $Id: SomeItemInputDialog.java,v 1.3 2006-10-21 23:18:43 pombredanne Exp $
   3  * Copyright Narushima Hironori. All rights reserved.
   4  */
   5 package net.sourceforge.phpeclipse.wizards.html;
   6
   7 import org.eclipse.jface.dialogs.Dialog;
   8 import org.eclipse.jface.dialogs.IDialogConstants;
   9 import org.eclipse.jface.dialogs.IInputValidator;
  10 import org.eclipse.swt.SWT;
  11 import org.eclipse.swt.events.ModifyEvent;
  12 import org.eclipse.swt.events.ModifyListener;
  13 import org.eclipse.swt.graphics.Point;
  14 import org.eclipse.swt.layout.GridData;
  15 import org.eclipse.swt.layout.GridLayout;
  16 import org.eclipse.swt.widgets.Button;
  17 import org.eclipse.swt.widgets.Composite;
  18 import org.eclipse.swt.widgets.Control;
  19 import org.eclipse.swt.widgets.Label;
  20 import org.eclipse.swt.widgets.Shell;
  21 import org.eclipse.swt.widgets.Text;
  22
  23 /**
  24  *
  25  */
  26 public class SomeItemInputDialog extends Dialog {
  27
  28         String dialogTitle;
  29
  30         String[] inputMessages;
  31
  32         IInputValidator[] validators;
  33
  34         Text[] texts;
  35
  36         Text error;
  37
  38         String[] errorMsgs;
  39
  40         String[] resultValues;
  41
  42         public SomeItemInputDialog(Shell parentShell, String dialogTitle,
  43                         String[] inputMessages, IInputValidator[] validators) {
  44                 super(parentShell);
  45                 if (inputMessages.length != validators.length) {
  46                         throw new IllegalArgumentException(
  47                                         "Specify validator counts and input message count is not same.");
  48                 }
  49
  50                 this.dialogTitle = dialogTitle;
  51                 this.inputMessages = (String[]) inputMessages.clone();
  52                 this.validators = (IInputValidator[]) validators.clone();
  53                 this.errorMsgs = new String[validators.length];
  54
  55                 setShellStyle(SWT.RESIZE | getShellStyle());
  56         }
  57
  58         protected void configureShell(Shell newShell) {
  59                 super.configureShell(newShell);
  60                 newShell.setText(dialogTitle);
  61         }
  62
  63         protected Control createDialogArea(Composite parent) {
  64                 Composite base = (Composite) super.createDialogArea(parent);
  65                 GridLayout gl = new GridLayout(2, false);
  66                 gl.marginWidth = 4;
  67                 gl.marginHeight = 6;
  68                 base.setLayout(gl);
  69
  70                 texts = new Text[inputMessages.length];
  71                 for (int i = 0; i < inputMessages.length; i++) {
  72                         new Label(base, SWT.NONE).setText(inputMessages[i] + ":");
  73
  74                         final int index = i;
  75                         Text t = new Text(base, SWT.BORDER);
  76                         t.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
  77                         t.addModifyListener(new ModifyListener() {
  78                                 public void modifyText(ModifyEvent e) {
  79                                         refreshValidator(index);
  80                                 }
  81                         });
  82                         texts[i] = t;
  83                 }
  84
  85                 error = new Text(base, SWT.READ_ONLY);
  86                 GridData gd = new GridData(GridData.FILL_HORIZONTAL);
  87                 gd.horizontalSpan = 2;
  88                 error.setLayoutData(gd);
  89
  90                 return base;
  91         }
  92
  93         void refreshValidator(int index) {
  94                 String data = texts[index].getText();
  95                 IInputValidator validator = validators[index];
  96                 if (validator != null) {
  97                         errorMsgs[index] = validator.isValid(data);
  98                 }
  99
 100                 Button okButton = getButton(IDialogConstants.OK_ID);
 101                 for (int i = 0; i < errorMsgs.length; i++) {
 102                         String msg = errorMsgs[i];
 103                         if (msg != null) {
 104                                 error.setText(msg);
 105                                 okButton.setEnabled(false);
 106                                 return;
 107                         }
 108                 }
 109                 error.setText("");
 110                 okButton.setEnabled(true);
 111         }
 112
 113         public String[] getValues() {
 114                 return (String[]) resultValues.clone();
 115         }
 116
 117         protected Point getInitialSize() {
 118                 Point p = super.getInitialSize();
 119                 return new Point(p.x * 2, (int) (p.y * 1.25));
 120         }
 121
 122         protected void okPressed() {
 123                 resultValues = new String[texts.length];
 124                 for (int i = 0; i < texts.length; i++) {
 125                         resultValues[i] = texts[i].getText();
 126                 }
 127                 super.okPressed();
 128         }
 129
 130 }