1
//------------------------------------------------------------------------------
2// <copyright company="Tunynet">
3// Copyright (c) Tunynet Network Technology Co., Ltd. All rights reserved.
4// </copyright>
5//------------------------------------------------------------------------------
6
7using System;
8using System.Collections.Generic;
9using System.Text;
10using SpaceBuilder.Components;
11using SpaceBuilder.Controls.Utils;
12using System.Web.UI.HtmlControls;
13using System.Web.UI.WebControls;
14using SpaceBuilder.Controls;
15using TunyNet.Data.Utils;
16using SpaceBuilder.Controls.BaseClasses;
17using SpaceBuilder.Blogs.Components;
18using SpaceBuilder.Bookmarks.Components;
19using SpaceBuilder.Clubs.Components;
20using SpaceBuilder.Events.Components;
21using SpaceBuilder.Files.Components;
22using SpaceBuilder.Galleries.Components;
23using TunyNet.Web.UI;
24using SpaceBuilder.Configuration;
25using SpaceBuilder.Clubs.Configuration;
26using SpaceBuilder.Events.Configuration;
27using System.Web.UI;
28using SpaceBuilder.Utils;
29using TunyNet.Utils;
30
31namespace SpaceBuilder.Web.Controls
32
...{
33
/**//// <summary>
34
/// 地区选择器
35
/// </summary>
36 public class AreaPicker : TemplatedWebControl
37 ...{
38 SBContext wlContext = SBContext.Current;
39 int nowAreaDepth = 1;
40 int areaID = -1;
41 int purposeInt = 1;
42
43 protected override void OnInit(EventArgs e)
44 ...{
45 if (SkinName == null)
46 ExternalSkinFileName = "Utility/Skin-AreaPicker.ascx";
47 else
48 ExternalSkinFileName = SkinName;
49
50 wlContext = SBContext.Current;
51
52 base.OnInit(e);
53 }
54
55
56 ...#region
57
58 /**//// <summary>
59 /// 第一层地区下拉列表
60 /// </summary>
61 DropDownList firstLevel;
62
63 /**//// <summary>
64 /// 第二层地区下拉列表
65 /// </summary>
66 DropDownList secondLevel;
67
68 /**//// <summary>
69 /// 第三层地区下拉列表
70 /// </summary>
71 DropDownList thirdLevel;
72
73 /**//// <summary>
74 /// 第四层地区下拉列表
75 /// </summary>
76 DropDownList forthLevel;
77
78 /**//// <summary>
79 /// 子地区列表
80 /// </summary>
81 RadioButtonList childAreas;
82
83 /**//// <summary>
84 /// 确认保存
85 /// </summary>
86 LinkButton save;
87
88 #endregion
89
90 protected override void AttachChildControls()
91 ...{
92 firstLevel = FindControl("FirstLevel") as DropDownList;
93 firstLevel.SelectedIndexChanged += new EventHandler(firstLevel_SelectedIndexChanged);
94 secondLevel = FindControl("SecondLevel") as DropDownList;
95 secondLevel.SelectedIndexChanged += new EventHandler(secondLevel_SelectedIndexChanged);
96 thirdLevel = FindControl("ThirdLevel") as DropDownList;
97 thirdLevel.SelectedIndexChanged += new EventHandler(thirdLevel_SelectedIndexChanged);
98 forthLevel = FindControl("ForthLevel") as DropDownList;
99 forthLevel.SelectedIndexChanged += new EventHandler(forthLevel_SelectedIndexChanged);
100 childAreas = FindControl("ChildAreas") as RadioButtonList;
101 childAreas.SelectedIndexChanged += new EventHandler(childAreas_SelectedIndexChanged);
102 save = FindControl("Save") as LinkButton;
103 save.Text = ResourceManager.GetString("Save");
104 save.Click += new EventHandler(save_Click);
105 if (ForceDepth)
106 save.Enabled = false;
107
108 }
109
110
111 void childAreas_SelectedIndexChanged(object sender, EventArgs e)
112 ...{
113 BindAreas();
114 }
115
116 void forthLevel_SelectedIndexChanged(object sender, EventArgs e)
117 ...{
118 nowAreaDepth = 4;
119 BindChildAreas();
120 }
121
122 void thirdLevel_SelectedIndexChanged(object sender, EventArgs e)
123 ...{
124 nowAreaDepth = 3;
125 BindChildAreas();
126 }
127
128 void secondLevel_SelectedIndexChanged(object sender, EventArgs e)
129 ...{
130 nowAreaDepth = 2;
131 BindChildAreas();
132 }
133
134 void firstLevel_SelectedIndexChanged(object sender, EventArgs e)
135 ...{
136 nowAreaDepth = 1;
137 BindChildAreas();
138 }
139
140
141 void save_Click(object sender, EventArgs e)
142 ...{
143 string saveAreaID = childAreas.SelectedValue;
144 if (ValueHelper.IsNullOrEmpty(saveAreaID))
145 ...{
146 if (ValueHelper.IsNullOrEmpty(forthLevel.SelectedValue))
147 ...{
148 if (ValueHelper.IsNullOrEmpty(thirdLevel.SelectedValue))
149 ...{
150 if (ValueHelper.IsNullOrEmpty(secondLevel.SelectedValue))
151 ...{
152 saveAreaID = firstLevel.SelectedValue;
153 }
154 else
155 saveAreaID = secondLevel.SelectedValue;
156 }
157 else
158 saveAreaID = thirdLevel.SelectedValue;
159 }
160 else
161 saveAreaID = forthLevel.SelectedValue;
162 }
163 string returnValues = string.Format("new Array(\"{0}\",\"{1}\")", Formatter.FormatArea(Convert.ToInt32(saveAreaID), 0,2), saveAreaID);
164 //string closeScript = string.Format("{0}", TunyNet.Web.UI.Modal.GetCloseScript(this.Page, returnValues));
165 //Page.ClientScript.RegisterStartupScript(this.GetType(), this.GetType().FullName, closeScript);
166
167 //ScriptManager.RegisterStartupScript(this, this.GetType(), this.GetType().FullName, closeScript, true);
168 ModalHelper.ClosePage(this.Page, returnValues);
169 }
170
171 protected override void OnLoad(EventArgs e)
172 ...{
173 base.OnLoad(e);
174 EnsureChildControls();
175 Header.AddTitle("地区选择", Context);
176 areaID = wlContext.GetIntFromQueryString("AreaID", -1);
177 purposeInt = wlContext.GetIntFromQueryString("Purpose", 1);
178
179 if (!Page.IsPostBack)
180 Bind();
181
182 }
183
184 private void Bind()
185 ...{
186 if (areaID > 0)
187 ...{
188 Area area = Areas.GetAreaStatistics(areaID);
189 Area parentArea;
190 if (area != null)
191 ...{
192 childAreas.SelectedValue = Convert.ToString(area.AreaID);
193 AreaDropDownListVisibleSet(Depth);
194 switch (Depth)
195 ...{
196 case 1:
197 break;
198 case 2:
199 if (area.ParentID > 0)
200 ...{
201 firstLevel.SelectedValue = Convert.ToString(area.ParentID);
202 }
203 break;
204 case 3:
205 if (area.ParentID > 0)
206 ...{
207 secondLevel.SelectedValue = Convert.ToString(area.ParentID);
208 }
209 parentArea = Areas.GetAreaStatistics(area.ParentID);
210 if (parentArea != null && parentArea.ParentID > 0)
211 ...{
212 firstLevel.SelectedValue = Convert.ToString(area.ParentID);
213 }
214 break;
215 case 4:
216 if (area.ParentID > 0)
217 ...{
218 thirdLevel.SelectedValue = Convert.ToString(area.ParentID);
219 }
220 parentArea = Areas.GetAreaStatistics(area.ParentID);
221 if (parentArea != null && parentArea.ParentID > 0)
222 ...{
223 secondLevel.SelectedValue = Convert.ToString(parentArea.ParentID);
224 }
225 Area subRootArea = Areas.GetAreaStatistics(parentArea.ParentID);
226 if (subRootArea != null && subRootArea.ParentID > 0)
227 firstLevel.SelectedValue = Convert.ToString(subRootArea.ParentID);
228
229 break;
230 default:
231 break;
232 }
233 }
234 }
235 else
236 ...{
237 List<AreaStatistics> areas = new List<AreaStatistics>();
238 areas = Areas.GetRootAreas();
239 if (areas != null && areas.Count > 0)
240 ...{
241 firstLevel.Visible = true;
242 firstLevel.Items.Clear();
243 foreach (Area area in areas)
244 ...{
245 firstLevel.Items.Add(new ListItem(area.Name, Convert.ToString(area.AreaID)));
246 }
247 //firstLevel.DataSource = areas;
248 }
249 }
250 //if (nowAreaDepth == (Depth+1))
251 // save.Enabled = true;
252 //else
253 // save.Enabled = false;
254 }
255
256 /**//// <summary>
257 /// 当选定下了列表中的某个地区的时候
258 /// </summary>
259 private void BindChildAreas()
260 ...{
261 AreaDropDownListVisibleSet(nowAreaDepth);
262 switch (nowAreaDepth)
263 ...{
264 case 1:
265 ShowChildAreas(Convert.ToInt32(firstLevel.SelectedValue));
266 break;
267 case 2:
268 ShowChildAreas(Convert.ToInt32(secondLevel.SelectedValue));
269 break;
270 case 3:
271 ShowChildAreas(Convert.ToInt32(thirdLevel.SelectedValue));
272 break;
273 case 4:
274 ShowChildAreas(Convert.ToInt32(forthLevel.SelectedValue));
275 break;
276 default:
277 break;
278 }
279 //if (nowAreaDepth == (Depth))
280 // save.Enabled = true;
281 //else
282 // save.Enabled = false;
283
284 }
285
286 /**//// <summary>
287 /// 设置下拉列表的显示情况
288 /// </summary>
289 private void AreaDropDownListVisibleSet(int level)
290 ...{
291 switch (level)
292 ...{
293 case 1:
294 firstLevel.Visible = true;
295 secondLevel.Visible = false;
296 thirdLevel.Visible = false;
297 forthLevel.Visible = false;
298 break;
299 case 2:
300 firstLevel.Visible = true;
301 secondLevel.Visible = true;
302 thirdLevel.Visible = false;
303 forthLevel.Visible = false;
304 break;
305 case 3:
306 firstLevel.Visible = true;
307 secondLevel.Visible = true;
308 thirdLevel.Visible = true;
309 forthLevel.Visible = false;
310 break;
311 case 4:
312 firstLevel.Visible = true;
313 secondLevel.Visible = true;
314 thirdLevel.Visible = true;
315 forthLevel.Visible = true;
316 break;
317 default:
318 break;
319 }
320
321 }
322
323
SpaceBuider11/BasicWebControls/Utility/AreaPicker.cs，打开代码结构图