1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
/*******************************************************************************
* Copyright (c) 2009, 2010 Wind River Systems, Inc. and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Ted R Williams (Wind River Systems, Inc.) - initial implementation
*******************************************************************************/
package org.eclipse.cdt.debug.ui.memory.memorybrowser;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.fieldassist.ControlDecoration;
import org.eclipse.jface.fieldassist.FieldDecoration;
import org.eclipse.jface.fieldassist.FieldDecorationRegistry;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.PlatformUI;
public class GoToAddressBarWidget {
private Text fExpression;
private ControlDecoration fEmptyExpression;
private ControlDecoration fWrongExpression;
private Button fOKButton;
private Button fOKNewTabButton;
private Composite fComposite;
protected static int ID_GO_NEW_TAB = 2000;
/**
* @param parent
* @return
*/
public Control createControl(Composite parent)
{
fComposite = new Composite(parent, SWT.NONE);
PlatformUI.getWorkbench().getHelpSystem().setHelp(fComposite, // FIXME
".GoToAddressComposite_context"); //$NON-NLS-1$
GridLayout layout = new GridLayout();
layout.numColumns = 6;
layout.makeColumnsEqualWidth = false;
layout.marginHeight = 0;
layout.marginLeft = 0;
fComposite.setLayout(layout);
fExpression = createExpressionField(fComposite);
fOKButton = new Button(fComposite, SWT.NONE);
fOKButton.setText(Messages.getString("GoToAddressBarWidget.Go")); //$NON-NLS-1$
fOKButton.setEnabled(false);
fOKNewTabButton = new Button(fComposite, SWT.NONE);
fOKNewTabButton.setText(Messages.getString("GoToAddressBarWidget.NewTab")); //$NON-NLS-1$
fOKNewTabButton.setEnabled(false);
return fComposite;
}
private Text createExpressionField(Composite parent) {
Text expression = new Text(parent, SWT.SINGLE | SWT.BORDER);
expression.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
updateButtons();
}
});
fEmptyExpression = new ControlDecoration(expression, SWT.LEFT | SWT.CENTER);
fEmptyExpression.setDescriptionText(Messages.getString("GoToAddressBarWidget.EnterExpressionMessage")); //$NON-NLS-1$
FieldDecoration fieldDec = FieldDecorationRegistry.getDefault().getFieldDecoration(FieldDecorationRegistry.DEC_REQUIRED);
fEmptyExpression.setImage(fieldDec.getImage());
fWrongExpression = new ControlDecoration(expression, SWT.LEFT | SWT.TOP);
fieldDec = FieldDecorationRegistry.getDefault().getFieldDecoration(FieldDecorationRegistry.DEC_ERROR);
fWrongExpression.setImage(fieldDec.getImage());
fWrongExpression.hide();
// leave enough room for decorators
GridData data = new GridData(GridData.FILL_HORIZONTAL);
data.horizontalIndent = Math.max(fEmptyExpression.getImage().getBounds().width, fWrongExpression.getImage().getBounds().width);
expression.setLayoutData(data);
return expression;
}
protected void updateButtons() {
boolean empty = getExpressionText().length() == 0;
fOKNewTabButton.setEnabled(!empty);
fOKButton.setEnabled(!empty);
if (empty)
fEmptyExpression.show();
else
fEmptyExpression.hide();
fWrongExpression.hide();
}
public int getHeight()
{
int height = fComposite.computeSize(SWT.DEFAULT, SWT.DEFAULT).y;
return height;
}
public Button getButton(int id)
{
if (id == IDialogConstants.OK_ID)
return fOKButton;
if (id == ID_GO_NEW_TAB)
return fOKNewTabButton;
return null;
}
/**
* Get expression text
* @return
*/
public String getExpressionText()
{
return fExpression.getText().trim();
}
/**
* Update expression text from the widget
* @param text
*/
public void setExpressionText(String text)
{
fExpression.setText(text);
}
public Text getExpressionWidget()
{
return fExpression;
}
/**
* decorate expression field according to the status
* @param message
*/
public void handleExpressionStatus(final IStatus message) {
if (message.isOK()) {
fWrongExpression.hide();
} else {
fWrongExpression.setDescriptionText(message.getMessage());
fWrongExpression.show();
}
}
}
|
