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
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
//
// PackageCellView.cs
//
// Author:
// Matt Ward <matt.ward@xamarin.com>
//
// Copyright (c) 2014 Xamarin Inc. (http://xamarin.com)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using MonoDevelop.Core;
using Xwt;
using Xwt.Drawing;
namespace MonoDevelop.PackageManagement
{
internal class ManagePackagesCellView : CanvasCellView
{
int packageIdFontSize;
int packageDescriptionFontSize;
public ManagePackagesCellView ()
{
CellWidth = 260;
if (Platform.IsWindows) {
packageIdFontSize = 10;
packageDescriptionFontSize = 9;
} else {
packageIdFontSize = 12;
packageDescriptionFontSize = 11;
}
}
public IDataField<ManagePackagesSearchResultViewModel> PackageField { get; set; }
public IDataField<Image> ImageField { get; set; }
public double CellWidth { get; set; }
protected override void OnDraw (Context ctx, Rectangle cellArea)
{
ManagePackagesSearchResultViewModel packageViewModel = GetValue (PackageField);
if (packageViewModel == null) {
return;
}
UpdateTextColor (ctx);
DrawPackageImage (ctx, cellArea);
double packageIdWidth = cellArea.Width - packageDescriptionPadding.HorizontalSpacing - packageDescriptionLeftOffset;
// Package download count.
if (packageViewModel.HasDownloadCount) {
var downloadCountTextLayout = new TextLayout ();
downloadCountTextLayout.Text = packageViewModel.GetDownloadCountOrVersionDisplayText ();
Size size = downloadCountTextLayout.GetSize ();
Point location = new Point (cellArea.Right - packageDescriptionPadding.Right, cellArea.Top + packageDescriptionPadding.Top);
Point downloadLocation = location.Offset (-size.Width, 0);
ctx.DrawTextLayout (downloadCountTextLayout, downloadLocation);
packageIdWidth = downloadLocation.X - cellArea.Left - packageIdRightHandPaddingWidth - packageDescriptionPadding.HorizontalSpacing - packageDescriptionLeftOffset;
}
// Package Id.
// Use the package id and not the package title to prevent a pango crash if the title
// contains Chinese characters.
var packageIdTextLayout = new TextLayout ();
packageIdTextLayout.Font = packageIdTextLayout.Font.WithSize (packageIdFontSize);
packageIdTextLayout.Markup = packageViewModel.GetIdMarkup ();
packageIdTextLayout.Trimming = TextTrimming.WordElipsis;
Size packageIdTextSize = packageIdTextLayout.GetSize ();
packageIdTextLayout.Width = packageIdWidth;
ctx.DrawTextLayout (
packageIdTextLayout,
cellArea.Left + packageDescriptionPadding.Left + packageDescriptionLeftOffset,
cellArea.Top + packageDescriptionPadding.Top);
// Package description.
var descriptionTextLayout = new TextLayout ();
descriptionTextLayout.Font = descriptionTextLayout.Font.WithSize (packageDescriptionFontSize);
descriptionTextLayout.Width = cellArea.Width - packageDescriptionPadding.HorizontalSpacing - packageDescriptionLeftOffset;
descriptionTextLayout.Height = cellArea.Height - packageIdTextSize.Height - packageDescriptionPadding.VerticalSpacing;
descriptionTextLayout.Text = packageViewModel.Summary;
descriptionTextLayout.Trimming = TextTrimming.Word;
ctx.DrawTextLayout (
descriptionTextLayout,
cellArea.Left + packageDescriptionPadding.Left + packageDescriptionLeftOffset,
cellArea.Top + packageIdTextSize.Height + packageDescriptionPaddingHeight + packageDescriptionPadding.Top);
}
void UpdateTextColor (Context ctx)
{
if (Selected) {
ctx.SetColor (Styles.CellTextSelectionColor);
} else {
ctx.SetColor (Styles.CellTextColor);
}
}
void DrawPackageImage (Context ctx, Rectangle cellArea)
{
Image image = GetValue (ImageField);
if (image == null) {
image = defaultPackageImage;
}
if (Selected)
image = image.WithStyles ("sel");
if (PackageImageNeedsResizing (image)) {
Point imageLocation = GetPackageImageLocation (maxPackageImageSize, cellArea);
ctx.DrawImage (
image,
cellArea.Left + packageImagePadding.Left + imageLocation.X,
Math.Round( cellArea.Top + packageImagePadding.Top + imageLocation.Y),
maxPackageImageSize.Width,
maxPackageImageSize.Height);
} else {
Point imageLocation = GetPackageImageLocation (image.Size, cellArea);
ctx.DrawImage (
image,
cellArea.Left + packageImagePadding.Left + imageLocation.X,
Math.Round (cellArea.Top + packageImagePadding.Top + imageLocation.Y));
}
}
bool PackageImageNeedsResizing (Image image)
{
return (image.Width > maxPackageImageSize.Width) || (image.Height > maxPackageImageSize.Height);
}
Point GetPackageImageLocation (Size imageSize, Rectangle cellArea)
{
double width = (packageImageAreaWidth - imageSize.Width) / 2;
double height = (cellArea.Height - imageSize.Height - packageImagePadding.Bottom) / 2;
return new Point (width, height);
}
protected override Size OnGetRequiredSize (SizeConstraint widthConstraint)
{
var layout = new TextLayout ();
layout.Text = "W";
layout.Font = layout.Font.WithSize (packageDescriptionFontSize);
Size size = layout.GetSize ();
return new Size (CellWidth, size.Height * linesDisplayedCount + packageDescriptionPaddingHeight + packageDescriptionPadding.VerticalSpacing);
}
const int packageDescriptionPaddingHeight = 5;
const int packageIdRightHandPaddingWidth = 5;
const int linesDisplayedCount = 4;
const int packageImageAreaWidth = 54;
const int packageDescriptionLeftOffset = packageImageAreaWidth + 8;
WidgetSpacing packageDescriptionPadding = new WidgetSpacing (5, 5, 5, 5);
WidgetSpacing packageImagePadding = new WidgetSpacing (0, 0, 0, 0);
Size maxPackageImageSize = new Size (48, 48);
static readonly Image defaultPackageImage = Image.FromResource (typeof(ManagePackagesCellView), "package-48.png");
}
}
|