mcs/class/System.Web.Mobile/System.Web.UI.MobileControls.Adapters/HtmlCommandAdapter.cs

   1
   2 //
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   4 // a copy of this software and associated documentation files (the
   5 // "Software"), to deal in the Software without restriction, including
   6 // without limitation the rights to use, copy, modify, merge, publish,
   7 // distribute, sublicense, and/or sell copies of the Software, and to
   8 // permit persons to whom the Software is furnished to do so, subject to
   9 // the following conditions:
  10 //
  11 // The above copyright notice and this permission notice shall be
  12 // included in all copies or substantial portions of the Software.
  13 //
  14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  15 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  16 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  17 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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  19 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  20 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  21 //
  22 /**
  23  * Project   : Mono
  24  * Namespace : System.Web.UI.MobileControls.Adapters
  25  * Class     : HtmlCommandAdapter
  26  * Author    : Gaurav Vaish
  27  *
  28  * Copyright : 2003 with Gaurav Vaish, and with
  29  *             Ximian Inc
  30  */
  31
  32 using System;
  33 using System.Collections.Specialized;
  34 using System.Web.Mobile;
  35 using System.Web.UI.MobileControls;
  36
  37 namespace System.Web.UI.MobileControls.Adapters
  38 {
  39         public class HtmlCommandAdapter : HtmlControlAdapter
  40         {
  41                 public HtmlCommandAdapter() : base()
  42                 {
  43                 }
  44
  45                 protected new Command Control
  46                 {
  47                         get
  48                         {
  49                                 return base.Control as Command;
  50                         }
  51                 }
  52
  53                 public override bool LoadPostData(string postKey,
  54                                NameValueCollection data,
  55                                object privateControlData, out bool dataChanged)
  56                 {
  57                         dataChanged = false;
  58                         bool retVal = false;
  59                         if(Control != null)
  60                         {
  61                                 string id = Control.UniqueID;
  62                                 string ctrl = data[id + ".x"];
  63                                 string evnt = data[id + ".y"];
  64                                 if(ctrl != null && evnt != null && ctrl.Length > 0 && evnt.Length > 0)
  65                                 {
  66                                         dataChanged = true;
  67                                         retVal = true;
  68                                 }
  69                         }
  70                         return retVal;
  71                 }
  72
  73                 public override void Render(HtmlMobileTextWriter writer)
  74                 {
  75                         bool supportsImgSbt = false;
  76                         bool supportsJavascript = false;
  77                         Form mobileForm = null;
  78
  79                         if(Control != null)
  80                         {
  81                                 if(Control.ImageUrl != String.Empty && Device.SupportsImageSubmit)
  82                                 {
  83                                         supportsImgSbt = true;
  84                                         if(Control.Format == CommandFormat.Link)
  85                                         {
  86                                                 if(Device.JavaScript)
  87                                                 {
  88                                                         supportsJavascript = true;
  89                                                 }
  90                                         }
  91                                 }
  92                         }
  93                         if(supportsJavascript)
  94                         {
  95                                 writer.EnterStyle(Style);
  96                                 mobileForm = Control.Form;
  97                                 if(mobileForm.Action.Length > 0)
  98                                 {
  99                                         writer.Write("<a href=\"javascript:document.");
 100                                         writer.Write(mobileForm.ClientID);
 101                                         writer.Write(".submit()\"");
 102                                         base.AddAttributes(writer);
 103                                         writer.Write(">");
 104                                         writer.WriteText(Control.Text, false);
 105                                         writer.WriteEndTag("a");
 106                                 } else
 107                                 {
 108                                         base.RenderBeginLink(writer, Constants.FormIDPrefix + mobileForm.UniqueID);
 109                                         writer.WriteText(Control.Text, true);
 110                                         base.RenderEndLink(writer);
 111                                 }
 112                                 writer.ExitStyle(Style, Control.BreakAfter);
 113                         } else
 114                         {
 115                                 writer.EnterLayout(Style);
 116                                 writer.WriteBeginTag("input");
 117                                 writer.WriteAttribute("name", Control.UniqueID);
 118                                 if(supportsImgSbt)
 119                                 {
 120                                         writer.WriteAttribute("type", "image");
 121                                         writer.WriteAttribute("src", Control.ResolveUrl(Control.ImageUrl));
 122                                         writer.WriteAttribute("alt", Control.Text);
 123                                 } else
 124                                 {
 125                                         writer.WriteAttribute("type", "submit");
 126                                         writer.Write("value=\"");
 127                                         writer.WriteText(Control.Text, true);
 128                                 }
 129                                 writer.Write("\"");
 130                                 base.AddAttributes(writer);
 131                                 writer.Write("/>");
 132                                 writer.ExitLayout(Style, Control.BreakAfter);
 133                         }
 134                 }
 135         }
 136 }