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
|
/*******************************************************************************
* Copyright (c) 2008, 2018 IBM Corporation 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:
* IBM Corporation - initial API and implementation
* Sonatype, Inc. - ongoing development
*******************************************************************************/
package org.eclipse.equinox.internal.p2.ui.dialogs;
import java.util.List;
import org.eclipse.equinox.internal.p2.ui.ProvUI;
import org.eclipse.equinox.internal.p2.ui.model.ElementUtils;
import org.eclipse.equinox.internal.p2.ui.viewers.IUColumnConfig;
import org.eclipse.equinox.p2.metadata.IInstallableUnit;
import org.eclipse.equinox.p2.operations.ProvisioningSession;
import org.eclipse.equinox.p2.ui.Policy;
import org.eclipse.equinox.p2.ui.ProvisioningUI;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.viewers.StructuredViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.*;
/**
* A StructuredIUGroup is a reusable UI component that displays a
* structured view of IU's driven by some queries.
*
* @since 3.4
*/
public abstract class StructuredIUGroup {
private FontMetrics fm;
protected StructuredViewer viewer;
private Composite composite;
private ProvisioningUI ui;
private IUColumnConfig[] columnConfig;
/**
* Create a group that represents the available IU's.
*
* @param ui The application policy to use in the group
* @param parent the parent composite for the group
* to retrieve elements in the viewer.
* @param font The font to use for calculating pixel sizes. This font is
* not managed by the receiver.
* @param columnConfig the columns to be shown
*/
protected StructuredIUGroup(ProvisioningUI ui, Composite parent, Font font, IUColumnConfig[] columnConfig) {
this.ui = ui;
if (columnConfig == null)
this.columnConfig = ProvUI.getIUColumnConfig();
else
this.columnConfig = columnConfig;
// Set up a fontmetrics for calculations
GC gc = new GC(parent);
gc.setFont(font);
fm = gc.getFontMetrics();
gc.dispose();
}
protected void createGroupComposite(Composite parent) {
composite = new Composite(parent, SWT.NONE);
GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
composite.setLayoutData(gd);
GridLayout layout = new GridLayout();
layout.marginWidth = 0;
layout.marginHeight = 0;
composite.setLayout(layout);
composite.setFont(parent.getFont());
viewer = createViewer(composite);
viewer.getControl().setLayoutData(getViewerGridData());
}
protected GridData getViewerGridData() {
GridData data = new GridData(GridData.FILL_BOTH);
data.grabExcessHorizontalSpace = true;
data.grabExcessVerticalSpace = true;
return data;
}
protected abstract StructuredViewer createViewer(Composite parent);
protected Composite getComposite() {
return composite;
}
protected Shell getShell() {
return composite.getShell();
}
protected StructuredViewer getStructuredViewer() {
return viewer;
}
protected IUColumnConfig[] getColumnConfig() {
return columnConfig;
}
public List<IInstallableUnit> getSelectedIUs() {
return ElementUtils.elementsToIUs(getSelectedIUElements());
}
public Object[] getSelectedIUElements() {
return viewer.getStructuredSelection().toArray();
}
protected int convertHorizontalDLUsToPixels(int dlus) {
return Dialog.convertHorizontalDLUsToPixels(fm, dlus);
}
protected int convertWidthInCharsToPixels(int dlus) {
return Dialog.convertWidthInCharsToPixels(fm, dlus);
}
protected int convertVerticalDLUsToPixels(int dlus) {
return Dialog.convertVerticalDLUsToPixels(fm, dlus);
}
protected int convertHeightInCharsToPixels(int dlus) {
return Dialog.convertHeightInCharsToPixels(fm, dlus);
}
protected Policy getPolicy() {
return ui.getPolicy();
}
protected ProvisioningSession getSession() {
return ui.getSession();
}
protected ProvisioningUI getProvisioningUI() {
return ui;
}
protected Control getDefaultFocusControl() {
if (viewer != null)
return viewer.getControl();
return null;
}
}
|
