/// <include file='doc\ChtmlSelectionListAdapter.uex' path='docs/doc[@for="ChtmlSelectionListAdapter.Render"]/*' />
public override void Render(HtmlMobileTextWriter writer)
{
ListSelectType selectType = Control.SelectType;
if (selectType == ListSelectType.MultiSelectListBox &&
Device.SupportsSelectMultiple == false)
{
// Render occurs after SaveViewState. Here we make a temp
// change which is not persisted to the view state.
Control.SelectType = selectType = ListSelectType.CheckBox;
}
if (!Device.RequiresUniqueHtmlCheckboxNames ||
selectType != ListSelectType.CheckBox)
{
base.Render(writer);
}
else
{
MobileListItemCollection items = Control.Items;
if (items.Count == 0)
{
return;
}
writer.EnterStyle(Style);
bool writeBreak = false;
foreach (MobileListItem item in items)
{
int index = items.IndexOf(item);
if (writeBreak)
{
writer.WriteBreak();
}
writer.Write("<input type=\"checkbox\" name=\"");
if (Device.RequiresAttributeColonSubstitution)
{
writer.Write(Control.UniqueID.Replace(':', ','));
}
else
{
writer.Write(Control.UniqueID);
}
writer.Write(Constants.SelectionListSpecialCharacter);
writer.Write(index);
writer.Write("\" value=\"");
if (!String.IsNullOrEmpty(Control.Form.Action))
{
writer.WriteEncodedText(item.Value);
}
else
{
writer.Write(item.Index.ToString(CultureInfo.InvariantCulture));
}
if (item.Selected &&
Device.SupportsUncheck)
{
writer.Write("\" checked>");
}
else
{
writer.Write("\">");
}
writer.WriteText(item.Text, true);
writeBreak = true;
}
writer.ExitStyle(Style, Control.BreakAfter);
}
}
/// <include file='doc\HtmlSelectionListAdapter.uex' path='docs/doc[@for="HtmlSelectionListAdapter.Render"]/*' />
public override void Render(HtmlMobileTextWriter writer)
{
MobileListItemCollection items = Control.Items;
ListSelectType selectType = Control.SelectType;
if (items.Count == 0 &&
selectType != ListSelectType.ListBox &&
selectType != ListSelectType.MultiSelectListBox)
{
return;
}
int selectedIndex = Control.SelectedIndex;
String renderName;
if (Device.RequiresAttributeColonSubstitution)
{
renderName = Control.UniqueID.Replace(':', ',');
}
else
{
renderName = Control.UniqueID;
}
switch (selectType)
{
case ListSelectType.DropDown:
case ListSelectType.ListBox:
case ListSelectType.MultiSelectListBox:
if (items.Count == 0 && !Device.CanRenderEmptySelects)
{
break;
}
writer.EnterLayout(Style);
writer.WriteBeginTag("select");
if (selectType == ListSelectType.MultiSelectListBox)
{
writer.Write(" multiple");
}
if (selectType == ListSelectType.ListBox || selectType == ListSelectType.MultiSelectListBox)
{
writer.WriteAttribute("size", Control.Rows.ToString(CultureInfo.InvariantCulture));
}
writer.WriteAttribute("name", renderName);
writer.Write(">");
for (int itemIndex = 0; itemIndex < items.Count; itemIndex++)
{
MobileListItem item = items[itemIndex];
writer.WriteBeginTag("option");
WriteItemValueAttribute(writer, itemIndex, item.Value);
if (item.Selected && (Control.IsMultiSelect || itemIndex == selectedIndex))
{
writer.Write(" selected>");
}
else
{
writer.Write(">");
}
writer.WriteEncodedText(item.Text);
writer.WriteLine("");
}
writer.Write("</select>");
if (Device.HidesRightAlignedMultiselectScrollbars &&
selectType == ListSelectType.MultiSelectListBox)
{
// nested if for perf
if ((Alignment)Style[Style.AlignmentKey, true] == Alignment.Right)
{
writer.Write(" ");
}
}
writer.WriteLine("");
if (!Page.DesignMode)
{
writer.ExitLayout(Style, Control.BreakAfter);
}
else
{
writer.ExitLayout(Style, false);
}
break;
case ListSelectType.Radio:
case ListSelectType.CheckBox:
String selectTypeString =
(selectType == ListSelectType.Radio) ?
"radio" :
"checkbox";
Alignment alignment = (Alignment)Style[Style.AlignmentKey, true];
if (!Device.Tables || alignment == Alignment.Left || alignment == Alignment.NotSet)
{
writer.EnterStyle(Style);
bool breakAfter = false;
for (int itemIndex = 0; itemIndex < items.Count; itemIndex++)
{
if (breakAfter)
{
writer.WriteBreak();
}
MobileListItem item = items[itemIndex];
writer.WriteBeginTag("input");
writer.WriteAttribute("type", selectTypeString);
writer.WriteAttribute("name", renderName);
WriteItemValueAttribute(writer, itemIndex, item.Value);
if (item.Selected &&
(Control.IsMultiSelect || itemIndex == selectedIndex) &&
Device.SupportsUncheck)
{
writer.Write(" checked>");
}
else
{
writer.Write(">");
}
writer.WriteEncodedText(item.Text);
breakAfter = true;
}
writer.ExitStyle(Style, Control.BreakAfter);
}
else // Device supports tables and alignment is non default.
{
Wrapping wrapping = (Wrapping)Style[Style.WrappingKey, true];
bool nowrap = (wrapping == Wrapping.NoWrap);
writer.EnterLayout(Style);
writer.WriteFullBeginTag("table");
writer.BeginStyleContext();
for (int itemIndex = 0; itemIndex < items.Count; itemIndex++)
{
MobileListItem item = items[itemIndex];
writer.WriteFullBeginTag("tr");
writer.WriteBeginTag("td");
if (nowrap)
{
writer.WriteAttribute("nowrap", "true");
}
writer.Write(">");
writer.WriteBeginTag("input");
writer.WriteAttribute("type", selectTypeString);
writer.WriteAttribute("name", renderName);
WriteItemValueAttribute(writer, itemIndex, item.Value);
if (item.Selected &&
(Control.IsMultiSelect || itemIndex == selectedIndex) &&
Device.SupportsUncheck)
{
writer.Write(" checked>");
}
else
{
writer.Write(">");
}
writer.MarkStyleContext();
writer.EnterFormat(Style);
writer.WriteEncodedText(item.Text);
writer.ExitFormat(Style);
writer.UnMarkStyleContext();
writer.WriteEndTag("td");
writer.WriteEndTag("tr");
}
writer.WriteEndTag("table");
writer.EndStyleContext();
writer.ExitFormat(Style, Control.BreakAfter);
}
break;
}
}
void RenderInputElementSet(XhtmlMobileTextWriter writer)
{
string wrappingTag = Device.Tables ? "table" :
(((string)Device["usePOverDiv"] == "true") ? "p" : "div");
ListSelectType selectType = Control.SelectType;
MobileListItemCollection items = Control.Items;
// Review: We always render a table. Should we optimize away the table tags when the alignment is left?
String selectTypeString =
(selectType == ListSelectType.Radio) ?
"radio" :
"checkbox";
ClearPendingBreakIfDeviceBreaksOnBlockLevel(writer); // Since we are writing a block-level element in all cases.
ConditionalEnterLayout(writer, Style);
RenderOpeningListTag(writer, wrappingTag);
for (int itemIndex = 0; itemIndex < items.Count; itemIndex++)
{
MobileListItem item = items[itemIndex];
if (Device.Tables)
{
writer.WriteFullBeginTag("tr");
writer.WriteFullBeginTag("td");
}
writer.WriteBeginTag("input");
writer.WriteAttribute("type", selectTypeString);
writer.WriteAttribute("name", Control.UniqueID);
WriteItemValueAttribute(writer, itemIndex, item.Value);
String accessKey = GetCustomAttributeValue(item, XhtmlConstants.AccessKeyCustomAttribute);
if (accessKey != null && accessKey.Length > 0)
{
writer.WriteAttribute("accesskey", accessKey, true);
}
// Assumption: Device.SupportsUncheck is always true for Xhtml devices.
if (item.Selected &&
(Control.IsMultiSelect || itemIndex == Control.SelectedIndex))
{
writer.Write(" checked=\"checked\"/>");
}
else
{
writer.Write("/>");
}
writer.WriteEncodedText(item.Text);
if (Device.Tables)
{
writer.WriteEndTag("td");
}
if ((string)Device["usePOverDiv"] == "true" || !Device.Tables)
{
writer.Write("<br/>");
}
if (Device.Tables)
{
writer.WriteEndTag("tr");
}
}
RenderClosingListTag(writer, wrappingTag);
ConditionalExitLayout(writer, Style);
}