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
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
|
//------------------------------------------------------------------------------
// <copyright file="AppearanceEditorPart.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.UI.WebControls.WebParts {
using System;
using System.Collections;
using System.ComponentModel;
using System.Diagnostics;
using System.Drawing;
using System.Globalization;
using System.Web.UI;
using System.Web.UI.WebControls;
public sealed class AppearanceEditorPart : EditorPart {
private TextBox _title;
private UnitInput _height;
private UnitInput _width;
private DropDownList _chromeType;
private CheckBox _hidden;
private DropDownList _direction;
private string _titleErrorMessage;
private string _heightErrorMessage;
private string _widthErrorMessage;
private string _chromeTypeErrorMessage;
private string _hiddenErrorMessage;
private string _directionErrorMessage;
private const int TextBoxColumns = 30;
private const int MinUnitValue = 0;
private const int MaxUnitValue = 32767;
[Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
public override string DefaultButton {
get { return base.DefaultButton; }
set { base.DefaultButton = value; }
}
private bool HasError {
get {
return (_titleErrorMessage != null || _heightErrorMessage != null ||
_widthErrorMessage != null || _chromeTypeErrorMessage != null ||
_hiddenErrorMessage != null || _directionErrorMessage != null);
}
}
[
WebSysDefaultValue(SR.AppearanceEditorPart_PartTitle),
]
public override string Title {
get {
string s = (string)ViewState["Title"];
return (s != null) ? s : SR.GetString(SR.AppearanceEditorPart_PartTitle);
}
set {
ViewState["Title"] = value;
}
}
public override bool ApplyChanges() {
WebPart webPart = WebPartToEdit;
Debug.Assert(webPart != null);
if (webPart != null) {
EnsureChildControls();
bool allowLayoutChange = webPart.Zone.AllowLayoutChange;
try {
webPart.Title = _title.Text;
}
catch (Exception e) {
_titleErrorMessage = CreateErrorMessage(e.Message);
}
if (allowLayoutChange) {
try {
TypeConverter chromeTypeConverter = TypeDescriptor.GetConverter(typeof(PartChromeType));
webPart.ChromeType = (PartChromeType)chromeTypeConverter.ConvertFromString(_chromeType.SelectedValue);
}
catch (Exception e) {
_chromeTypeErrorMessage = CreateErrorMessage(e.Message);
}
}
try {
TypeConverter directionConverter = TypeDescriptor.GetConverter(typeof(ContentDirection));
webPart.Direction = (ContentDirection)directionConverter.ConvertFromString(_direction.SelectedValue);
}
catch (Exception e) {
_directionErrorMessage = CreateErrorMessage(e.Message);
}
if (allowLayoutChange) {
Unit height = Unit.Empty;
string heightValueString = _height.Value;
if (!String.IsNullOrEmpty(heightValueString)) {
double heightValue;
if (Double.TryParse(_height.Value, NumberStyles.Float | NumberStyles.AllowThousands,
CultureInfo.CurrentCulture, out heightValue)) {
if (heightValue < MinUnitValue) {
_heightErrorMessage = SR.GetString(SR.EditorPart_PropertyMinValue, MinUnitValue.ToString(CultureInfo.CurrentCulture));
}
else if (heightValue > MaxUnitValue) {
_heightErrorMessage = SR.GetString(SR.EditorPart_PropertyMaxValue, MaxUnitValue.ToString(CultureInfo.CurrentCulture));
}
else {
height = new Unit(heightValue, _height.Type);
}
}
else {
_heightErrorMessage = SR.GetString(SR.EditorPart_PropertyMustBeDecimal);
}
}
if (_heightErrorMessage == null) {
try {
webPart.Height = (Unit)height;
}
catch (Exception e) {
_heightErrorMessage = CreateErrorMessage(e.Message);
}
}
}
if (allowLayoutChange) {
Unit width = Unit.Empty;
string widthValueString = _width.Value;
if (!String.IsNullOrEmpty(widthValueString)) {
double widthValue;
if (Double.TryParse(_width.Value, NumberStyles.Float| NumberStyles.AllowThousands,
CultureInfo.CurrentCulture, out widthValue)) {
if (widthValue < MinUnitValue) {
_widthErrorMessage = SR.GetString(SR.EditorPart_PropertyMinValue, MinUnitValue.ToString(CultureInfo.CurrentCulture));
}
else if (widthValue > MaxUnitValue) {
_widthErrorMessage = SR.GetString(SR.EditorPart_PropertyMaxValue, MaxUnitValue.ToString(CultureInfo.CurrentCulture));
}
else {
width = new Unit(widthValue, _width.Type);
}
}
else {
_widthErrorMessage = SR.GetString(SR.EditorPart_PropertyMustBeDecimal);
}
}
if (_widthErrorMessage == null) {
try {
webPart.Width = (Unit)width;
}
catch (Exception e) {
_widthErrorMessage = CreateErrorMessage(e.Message);
}
}
}
if (allowLayoutChange && webPart.AllowHide) {
try {
webPart.Hidden = _hidden.Checked;
}
catch (Exception e) {
_hiddenErrorMessage = CreateErrorMessage(e.Message);
}
}
}
return !HasError;
}
protected internal override void CreateChildControls() {
ControlCollection controls = Controls;
controls.Clear();
_title = new TextBox();
_title.Columns = TextBoxColumns;
controls.Add(_title);
TypeConverter chromeTypeConverter = TypeDescriptor.GetConverter(typeof(PartChromeType));
_chromeType = new DropDownList();
_chromeType.Items.Add(new ListItem(SR.GetString(SR.PartChromeType_Default),
chromeTypeConverter.ConvertToString(PartChromeType.Default)));
_chromeType.Items.Add(new ListItem(SR.GetString(SR.PartChromeType_TitleAndBorder),
chromeTypeConverter.ConvertToString(PartChromeType.TitleAndBorder)));
_chromeType.Items.Add(new ListItem(SR.GetString(SR.PartChromeType_TitleOnly),
chromeTypeConverter.ConvertToString(PartChromeType.TitleOnly)));
_chromeType.Items.Add(new ListItem(SR.GetString(SR.PartChromeType_BorderOnly),
chromeTypeConverter.ConvertToString(PartChromeType.BorderOnly)));
_chromeType.Items.Add(new ListItem(SR.GetString(SR.PartChromeType_None),
chromeTypeConverter.ConvertToString(PartChromeType.None)));
controls.Add(_chromeType);
TypeConverter directionConverter = TypeDescriptor.GetConverter(typeof(ContentDirection));
_direction = new DropDownList();
_direction.Items.Add(new ListItem(SR.GetString(SR.ContentDirection_NotSet),
directionConverter.ConvertToString(ContentDirection.NotSet)));
_direction.Items.Add(new ListItem(SR.GetString(SR.ContentDirection_LeftToRight),
directionConverter.ConvertToString(ContentDirection.LeftToRight)));
_direction.Items.Add(new ListItem(SR.GetString(SR.ContentDirection_RightToLeft),
directionConverter.ConvertToString(ContentDirection.RightToLeft)));
controls.Add(_direction);
_height = new UnitInput();
controls.Add(_height);
_width = new UnitInput();
controls.Add(_width);
_hidden = new CheckBox();
controls.Add(_hidden);
// We don't need viewstate enabled on our child controls. Disable for perf.
foreach (Control c in controls) {
c.EnableViewState = false;
}
}
protected internal override void OnPreRender(EventArgs e) {
base.OnPreRender(e);
// We want to synchronize the EditorPart to the state of the WebPart on every page load,
// so we stay current if the WebPart changes in the background.
if (Display && Visible && !HasError) {
SyncChanges();
}
}
protected internal override void RenderContents(HtmlTextWriter writer) {
if (Page != null) {
Page.VerifyRenderingInServerForm(this);
}
// HACK: Need this for child controls to be created at design-time when control is inside template
EnsureChildControls();
string[] propertyDisplayNames = new string[] {
SR.GetString(SR.AppearanceEditorPart_Title),
SR.GetString(SR.AppearanceEditorPart_ChromeType),
SR.GetString(SR.AppearanceEditorPart_Direction),
SR.GetString(SR.AppearanceEditorPart_Height),
SR.GetString(SR.AppearanceEditorPart_Width),
SR.GetString(SR.AppearanceEditorPart_Hidden),
};
WebControl[] propertyEditors = new WebControl[] {
_title,
_chromeType,
_direction,
_height,
_width,
_hidden,
};
string[] errorMessages = new string[] {
_titleErrorMessage,
_chromeTypeErrorMessage,
_directionErrorMessage,
_heightErrorMessage,
_widthErrorMessage,
_hiddenErrorMessage,
};
RenderPropertyEditors(writer, propertyDisplayNames, null /* propertyDescriptions */,
propertyEditors, errorMessages);
}
public override void SyncChanges() {
WebPart webPart = WebPartToEdit;
Debug.Assert(webPart != null);
if (webPart != null) {
bool allowLayoutChange = webPart.Zone.AllowLayoutChange;
EnsureChildControls();
_title.Text = webPart.Title;
TypeConverter chromeTypeConverter = TypeDescriptor.GetConverter(typeof(PartChromeType));
_chromeType.SelectedValue = chromeTypeConverter.ConvertToString(webPart.ChromeType);
_chromeType.Enabled = allowLayoutChange;
TypeConverter directionConverter = TypeDescriptor.GetConverter(typeof(ContentDirection));
_direction.SelectedValue = directionConverter.ConvertToString(webPart.Direction);
_height.Unit = webPart.Height;
_height.Enabled = allowLayoutChange;
_width.Unit = webPart.Width;
_width.Enabled = allowLayoutChange;
_hidden.Checked = webPart.Hidden;
_hidden.Enabled = allowLayoutChange && webPart.AllowHide;
}
}
private sealed class UnitInput : CompositeControl {
private TextBox _value;
private DropDownList _type;
private const int TextBoxColumns = 2;
public string Value {
get {
return (_value != null) ? _value.Text : String.Empty;
}
}
public UnitType Type {
get {
return (_type != null) ?
(UnitType)Int32.Parse(_type.SelectedValue, CultureInfo.InvariantCulture) : (UnitType)0;
}
}
public Unit Unit {
set {
EnsureChildControls();
if (value == Unit.Empty) {
_value.Text = String.Empty;
_type.SelectedIndex = 0;
}
else {
_value.Text = value.Value.ToString(CultureInfo.CurrentCulture);
_type.SelectedValue = ((int)value.Type).ToString(CultureInfo.InvariantCulture);
}
}
}
protected internal override void CreateChildControls() {
Controls.Clear();
_value = new TextBox();
_value.Columns = TextBoxColumns;
Controls.Add(_value);
_type = new DropDownList();
_type.Items.Add(new ListItem(SR.GetString(SR.AppearanceEditorPart_Pixels),
((int)UnitType.Pixel).ToString(CultureInfo.InvariantCulture)));
_type.Items.Add(new ListItem(SR.GetString(SR.AppearanceEditorPart_Points),
((int)UnitType.Point).ToString(CultureInfo.InvariantCulture)));
_type.Items.Add(new ListItem(SR.GetString(SR.AppearanceEditorPart_Picas),
((int)UnitType.Pica).ToString(CultureInfo.InvariantCulture)));
_type.Items.Add(new ListItem(SR.GetString(SR.AppearanceEditorPart_Inches),
((int)UnitType.Inch).ToString(CultureInfo.InvariantCulture)));
_type.Items.Add(new ListItem(SR.GetString(SR.AppearanceEditorPart_Millimeters),
((int)UnitType.Mm).ToString(CultureInfo.InvariantCulture)));
_type.Items.Add(new ListItem(SR.GetString(SR.AppearanceEditorPart_Centimeters),
((int)UnitType.Cm).ToString(CultureInfo.InvariantCulture)));
_type.Items.Add(new ListItem(SR.GetString(SR.AppearanceEditorPart_Percent),
((int)UnitType.Percentage).ToString(CultureInfo.InvariantCulture)));
_type.Items.Add(new ListItem(SR.GetString(SR.AppearanceEditorPart_Em),
((int)UnitType.Em).ToString(CultureInfo.InvariantCulture)));
_type.Items.Add(new ListItem(SR.GetString(SR.AppearanceEditorPart_Ex),
((int)UnitType.Ex).ToString(CultureInfo.InvariantCulture)));
Controls.Add(_type);
}
protected internal override void Render(HtmlTextWriter writer) {
// Needed for designtime
EnsureChildControls();
_value.ApplyStyle(ControlStyle);
_value.RenderControl(writer);
writer.Write(" ");
_type.ApplyStyle(ControlStyle);
_type.RenderControl(writer);
}
}
}
}
|
