Question

我想在运行时更改文档库中的文档图标。应根据代码中的某些条件更改图标。文件的扩展名是什么（txt，doc，pdf等等）没有区别。目前我使用HTTP模块来解析服务器响应并在运行时更改图标。但是，此解决方案不可靠，因为页面HTML标记可能会更改，不同的视图具有不同的行为，并且SharePoint 2010中的注册HTTP模块存在问题。是否有任何API或任何其他可靠的方法在运行时更改文档的图标？

我将不胜感激任何帮助。先谢谢， -Petro

Answer 1

以下是Sharepoint 2010标准DocIcon Field的架构（非常庞大）：

  <Field ID="{081c6e4c-5c14-4f20-b23e-1a71ceb6a67c}" Type="Computed" ReadOnly="TRUE" Name="DocIcon" DisplayName="Тип" TextOnly="TRUE" ClassInfo="Icon" AuthoringInfo="(значок связи с документом)" SourceID="http://schemas.microsoft.com/sharepoint/v3" StaticName="DocIcon" FromBaseType="TRUE">
  <FieldRefs>
    <FieldRef Name="File_x0020_Type" />
    <FieldRef Name="FSObjType" />
    <FieldRef Name="FileRef" />
    <FieldRef Name="FileLeafRef" />
    <FieldRef Name="HTML_x0020_File_x0020_Type" />
    <FieldRef Name="PermMask" />
    <FieldRef Name="CheckoutUser" ShowField="Title" />
    <FieldRef Name="IsCheckedoutToLocal" />
    <FieldRef Name="ServerUrl" />
    <FieldRef Name="IconOverlay" />
  </FieldRefs>
  <DisplayPattern>
    <SetVar Name="DocIconImg">
      <SetVar Name="DocIconAltText">
        <IfEqual>
          <Expr1>
            <LookupColumn Name="FSObjType" />
          </Expr1>
          <Expr2>1</Expr2>
          <Then>
            <IfSubString>
              <Expr1>0x0120D5</Expr1>
              <Expr2>
                <Column Name="ContentTypeId" />
              </Expr2>
              <Then>
                <HTML>Коллекция документов: </HTML>
                <LookupColumn Name="FileLeafRef" HTMLEncode="TRUE" />
              </Then>
              <Else>
                <HTML>Папка: </HTML>
                <LookupColumn Name="FileLeafRef" HTMLEncode="TRUE" />
              </Else>
            </IfSubString>
          </Then>
          <Else>
            <LookupColumn Name="FileLeafRef" HTMLEncode="TRUE" />
          </Else>
        </IfEqual>
      </SetVar>
      <SetVar Name="DocIconFileName">
        <IfEqual>
          <Expr1>
            <Column Name="IconOverlay" />
          </Expr1>
          <Expr2 />
          <Then>
            <IfEqual>
              <Expr1>
                <LookupColumn Name="FSObjType" />
              </Expr1>
              <Expr2>1</Expr2>
              <Then>
                <IfEqual>
                  <Expr1>
                    <Column Name="HTML_x0020_File_x0020_Type" />
                    <HTML>|</HTML>
                    <Column Name="File_x0020_Type" />
                  </Expr1>
                  <Expr2>
                    <HTML>|</HTML>
                  </Expr2>
                  <Then>
                    <HTML>folder.gif</HTML>
                  </Then>
                  <Else>
                    <SetVar Name="FolderIconFromMap">
                      <MapToIcon>
                        <Column Name="HTML_x0020_File_x0020_Type" />
                        <HTML>|</HTML>
                        <Column Name="File_x0020_Type" />
                      </MapToIcon>
                    </SetVar>
                    <IfEqual>
                      <Expr1>
                        <GetVar Name="FolderIconFromMap" />
                      </Expr1>
                      <Expr2>
                        <MapToIcon />
                      </Expr2>
                      <Then>
                        <HTML>folder.gif</HTML>
                      </Then>
                      <Else>
                        <GetVar Name="FolderIconFromMap" />
                      </Else>
                    </IfEqual>
                  </Else>
                </IfEqual>
              </Then>
              <Else>
                <MapToIcon>
                  <Column Name="HTML_x0020_File_x0020_Type" />
                  <HTML>|</HTML>
                  <Column Name="File_x0020_Type" />
                </MapToIcon>
              </Else>
            </IfEqual>
          </Then>
          <Else>
            <MapToIcon>
              <Column Name="IconOverlay" />
            </MapToIcon>
          </Else>
        </IfEqual>
      </SetVar>
      <HTML><![CDATA[<img border="0" alt="]]></HTML>
      <GetVar Name="DocIconAltText" />
      <HTML><![CDATA[" title="]]></HTML>
      <GetVar Name="DocIconAltText" />
      <HTML><![CDATA[" src="/_layouts/images/]]></HTML>
      <GetVar Name="DocIconFileName" />
      <HTML><![CDATA[" />]]></HTML>
    </SetVar>
    <SetVar Name="DocIconOverlayImg">
      <IfEqual>
        <Expr1>
          <Column Name="IconOverlay" />
        </Expr1>
        <Expr2 />
        <Then>
          <IfEqual>
            <Expr1>
              <Column Name="CheckoutUser" />
            </Expr1>
            <Expr2 />
            <Else>
              <SetVar Name="DocIconOverlayAltText">
                <LookupColumn Name="FileLeafRef" HTMLEncode="TRUE" />
                <HTML><![CDATA[&#10;Кем извлечено: ]]></HTML>
                <LookupColumn Name="CheckoutUser" ShowField="Title" HTMLEncode="TRUE" />
              </SetVar>
              <HTML><![CDATA[<img class="ms-vb-icon-overlay" alt="]]></HTML>
              <GetVar Name="DocIconOverlayAltText" />
              <HTML><![CDATA[" title="]]></HTML>
              <GetVar Name="DocIconOverlayAltText" />
              <HTML><![CDATA[" src="/_layouts/images/checkoutoverlay.gif" />]]></HTML>
            </Else>
          </IfEqual>
        </Then>
        <Else>
          <HTML><![CDATA[<img class="ms-vb-icon-overlay" alt="*" src="/_layouts/images/]]></HTML>
          <MapToOverlay>
            <Column Name="IconOverlay" />
          </MapToOverlay>
          <HTML><![CDATA[" />]]></HTML>
        </Else>
      </IfEqual>
    </SetVar>
    <IfEqual>
      <Expr1>
        <LookupColumn Name="FSObjType" />
      </Expr1>
      <Expr2>1</Expr2>
      <Then>
        <FieldSwitch>
          <Expr>
            <GetVar Name="RecursiveView" />
          </Expr>
          <Case Value="1">
            <GetVar Name="DocIconImg" />
            <GetVar Name="DocIconOverlayImg" />
          </Case>
          <Default>
            <SetVar Name="UnencodedFilterLink">
              <SetVar Name="RootFolder">
                <HTML>/</HTML>
                <LookupColumn Name="FileRef" />
              </SetVar>
              <SetVar Name="SkipHost">1</SetVar>
              <SetVar Name="FolderCTID">
                <FieldSwitch>
                  <Expr>
                    <ListProperty Select="EnableContentTypes" />
                  </Expr>
                  <Case Value="1">
                    <Column Name="ContentTypeId" />
                  </Case>
                </FieldSwitch>
              </SetVar>
              <FilterLink Default="" Paged="FALSE" />
            </SetVar>
            <FieldSwitch>
              <Expr>
                <GetVar Name="FileDialog" />
              </Expr>
              <Case Value="1">
                <GetVar Name="DocIconImg" />
                <GetVar Name="DocIconOverlayImg" />
              </Case>
              <Default>
                <HTML><![CDATA[<a href="]]></HTML>
                <GetVar Name="UnencodedFilterLink" HTMLEncode="TRUE" />
                <HTML><![CDATA[" onmousedown="javascript:VerifyFolderHref(this,event, ']]></HTML>
                <ScriptQuote NotAddingQuote="TRUE">
                  <GetVar Name="UnencodedFilterLink" />
                </ScriptQuote>
                <HTML><![CDATA[',']]></HTML>
                <ScriptQuote NotAddingQuote="TRUE">
                  <ServerProperty Select="HtmlTrProgId">
                    <Column Name="File_x0020_Type" />
                  </ServerProperty>
                </ScriptQuote>
                <HTML><![CDATA[',']]></HTML>
                <ScriptQuote NotAddingQuote="TRUE">
                  <ListProperty Select="DefaultItemOpen" />
                </ScriptQuote>
                <HTML><![CDATA[',']]></HTML>
                <ScriptQuote NotAddingQuote="TRUE">
                  <MapToControl>
                    <Column Name="HTML_x0020_File_x0020_Type" />
                    <HTML>|</HTML>
                    <Column Name="File_x0020_Type" />
                  </MapToControl>
                </ScriptQuote>
                <HTML><![CDATA[',']]></HTML>
                <ScriptQuote NotAddingQuote="TRUE">
                  <Column Name="HTML_x0020_File_x0020_Type" />
                </ScriptQuote>
                <HTML><![CDATA[',']]></HTML>
                <ScriptQuote NotAddingQuote="TRUE">
                  <ServerProperty Select="GetServerFileRedirect">
                    <Field Name="ServerUrl" />
                    <HTML>|</HTML>
                    <Column Name="HTML_x0020_File_x0020_Type" />
                  </ServerProperty>
                </ScriptQuote>
                <HTML><![CDATA[')"]]></HTML>
                <HTML><![CDATA[" onclick="return HandleFolder(this,event, ']]></HTML>
                <ScriptQuote NotAddingQuote="TRUE">
                  <GetVar Name="UnencodedFilterLink" />
                </ScriptQuote>
                <HTML><![CDATA[',']]></HTML>
                <ScriptQuote NotAddingQuote="TRUE">
                  <ServerProperty Select="HtmlTransform" />
                </ScriptQuote>
                <HTML><![CDATA[',']]></HTML>
                <ScriptQuote NotAddingQuote="TRUE">
                  <ServerProperty Select="HtmlTrAcceptType">
                    <Column Name="File_x0020_Type" />
                  </ServerProperty>
                </ScriptQuote>
                <HTML><![CDATA[',']]></HTML>
                <ScriptQuote NotAddingQuote="TRUE">
                  <ServerProperty Select="HtmlTrHandleUrl">
                    <Column Name="File_x0020_Type" />
                  </ServerProperty>
                </ScriptQuote>
                <HTML><![CDATA[',']]></HTML>
                <ScriptQuote NotAddingQuote="TRUE">
                  <ServerProperty Select="HtmlTrProgId">
                    <Column Name="File_x0020_Type" />
                  </ServerProperty>
                </ScriptQuote>
                <HTML><![CDATA[',']]></HTML>
                <ScriptQuote NotAddingQuote="TRUE">
                  <ListProperty Select="DefaultItemOpen" />
                </ScriptQuote>
                <HTML><![CDATA[',']]></HTML>
                <ScriptQuote NotAddingQuote="TRUE">
                  <MapToControl>
                    <Column Name="HTML_x0020_File_x0020_Type" />
                    <HTML>|</HTML>
                    <Column Name="File_x0020_Type" />
                  </MapToControl>
                </ScriptQuote>
                <HTML><![CDATA[',']]></HTML>
                <ScriptQuote NotAddingQuote="TRUE">
                  <Column Name="HTML_x0020_File_x0020_Type" />
                </ScriptQuote>
                <HTML><![CDATA[',']]></HTML>
                <ScriptQuote NotAddingQuote="TRUE">
                  <ServerProperty Select="GetServerFileRedirect">
                    <Field Name="ServerUrl" />
                    <HTML>|</HTML>
                    <Column Name="HTML_x0020_File_x0020_Type" />
                  </ServerProperty>
                </ScriptQuote>
                <HTML><![CDATA[',']]></HTML>
                <ScriptQuote NotAddingQuote="TRUE">
                  <Column Name="CheckoutUser" />
                </ScriptQuote>
                <HTML><![CDATA[',']]></HTML>
                <ScriptQuote NotAddingQuote="TRUE">
                  <UserID AllowAnonymous="TRUE" />
                </ScriptQuote>
                <HTML><![CDATA[',']]></HTML>
                <ScriptQuote NotAddingQuote="TRUE">
                  <ListProperty Select="ForceCheckout" />
                </ScriptQuote>
                <HTML><![CDATA[',']]></HTML>
                <ScriptQuote NotAddingQuote="TRUE">
                  <Field Name="IsCheckedoutToLocal" />
                </ScriptQuote>
                <HTML><![CDATA[',']]></HTML>
                <ScriptQuote NotAddingQuote="TRUE">
                  <Field Name="PermMask" />
                </ScriptQuote>
                <HTML><![CDATA[');">]]></HTML>
                <GetVar Name="DocIconImg" />
                <GetVar Name="DocIconOverlayImg" />
                <HTML><![CDATA[</a>]]></HTML>
              </Default>
            </FieldSwitch>
          </Default>
        </FieldSwitch>
      </Then>
      <Else>
        <HTML><![CDATA[<a href="]]></HTML>
        <Field Name="ServerUrl" URLEncodeAsURL="TRUE" />
        <HTML><![CDATA[" onclick="return DispEx(this,event,']]></HTML>
        <ScriptQuote NotAddingQuote="TRUE">
          <ServerProperty Select="HtmlTransform" />
        </ScriptQuote>
        <HTML><![CDATA[',']]></HTML>
        <ScriptQuote NotAddingQuote="TRUE">
          <ServerProperty Select="HtmlTrAcceptType">
            <Column Name="File_x0020_Type" />
          </ServerProperty>
        </ScriptQuote>
        <HTML><![CDATA[',']]></HTML>
        <ScriptQuote NotAddingQuote="TRUE">
          <ServerProperty Select="HtmlTrHandleUrl">
            <Column Name="File_x0020_Type" />
          </ServerProperty>
        </ScriptQuote>
        <HTML><![CDATA[',']]></HTML>
        <ScriptQuote NotAddingQuote="TRUE">
          <ServerProperty Select="HtmlTrProgId">
            <Column Name="File_x0020_Type" />
          </ServerProperty>
        </ScriptQuote>
        <HTML><![CDATA[',']]></HTML>
        <ScriptQuote NotAddingQuote="TRUE">
          <ListProperty Select="DefaultItemOpen" />
        </ScriptQuote>
        <HTML><![CDATA[',']]></HTML>
        <ScriptQuote NotAddingQuote="TRUE">
          <MapToControl>
            <Column Name="HTML_x0020_File_x0020_Type" />
            <HTML>|</HTML>
            <Column Name="File_x0020_Type" />
          </MapToControl>
        </ScriptQuote>
        <HTML><![CDATA[',']]></HTML>
        <ScriptQuote NotAddingQuote="TRUE">
          <Column Name="HTML_x0020_File_x0020_Type" />
        </ScriptQuote>
        <HTML><![CDATA[',']]></HTML>
        <ScriptQuote NotAddingQuote="TRUE">
          <ServerProperty Select="GetServerFileRedirect">
            <Field Name="ServerUrl" />
            <HTML>|</HTML>
            <Column Name="HTML_x0020_File_x0020_Type" />
          </ServerProperty>
        </ScriptQuote>
        <HTML><![CDATA[',']]></HTML>
        <ScriptQuote NotAddingQuote="TRUE">
          <Column Name="CheckoutUser" />
        </ScriptQuote>
        <HTML><![CDATA[',']]></HTML>
        <ScriptQuote NotAddingQuote="TRUE">
          <UserID AllowAnonymous="TRUE" />
        </ScriptQuote>
        <HTML><![CDATA[',']]></HTML>
        <ScriptQuote NotAddingQuote="TRUE">
          <ListProperty Select="ForceCheckout" />
        </ScriptQuote>
        <HTML><![CDATA[',']]></HTML>
        <ScriptQuote NotAddingQuote="TRUE">
          <Field Name="IsCheckedoutToLocal" />
        </ScriptQuote>
        <HTML><![CDATA[',']]></HTML>
        <ScriptQuote NotAddingQuote="TRUE">
          <Field Name="PermMask" />
        </ScriptQuote>
        <HTML><![CDATA[')">]]></HTML>
        <GetVar Name="DocIconImg" />
        <GetVar Name="DocIconOverlayImg" />
        <HTML><![CDATA[</a>]]></HTML>
      </Else>
    </IfEqual>
  </DisplayPattern>
</Field>

您可以获取要修改图标的库的DocIcon字段（通过代码）并修改其架构。正如您所看到的，部分中有很多XSLT，但它非常简单，可以添加新模式而不会出现大问题（旧的模式可以删除）。另一种方法是创建自己的自定义字段类型，并使用它而不是标准字段来显示图标。

SharePoint中。更改文档库中的文档图标？

1 个答案: