//Draws the controls, only gets called for the first drawing of the page, not for each postback
protected override void OnInit(EventArgs e)
{
base.OnInit(e);
try
{
_xml = new XmlDocument();
_xml.LoadXml(_data.Value.ToString());
}
catch
{
_xml = createBaseXmlDocument();
}
_listboxLinks = new ListBox();
_listboxLinks.ID = "links" + base.ID;
_listboxLinks.Width = 400;
_listboxLinks.Height = 140;
foreach (XmlNode node in _xml.DocumentElement.ChildNodes)
{
string text = node.Attributes["title"].Value.ToString();
string value = (node.Attributes["type"].Value.ToString().Equals("internal") ? "i" : "e")
+ (node.Attributes["newwindow"].Value.ToString().Equals("1") ? "n" : "o")
+ node.Attributes["link"].Value.ToString();
_listboxLinks.Items.Add(new ListItem(text, value));
}
_buttonUp = new Button();
_buttonUp.ID = "btnUp" + base.ID;
_buttonUp.Text = umbraco.ui.GetText("relatedlinks", "modeUp");
_buttonUp.Width = 80;
_buttonUp.Click += new EventHandler(this.buttonUp_Click);
_buttonDown = new Button();
_buttonDown.ID = "btnDown" + base.ID;
_buttonDown.Attributes.Add("style", "margin-top: 5px;");
_buttonDown.Text = umbraco.ui.GetText("relatedlinks", "modeDown");
_buttonDown.Width = 80;
_buttonDown.Click += new EventHandler(this.buttonDown_Click);
_buttonDelete = new Button();
_buttonDelete.ID = "btnDel" + base.ID;
_buttonDelete.Text = umbraco.ui.GetText("relatedlinks", "removeLink");
_buttonDelete.Width = 80;
_buttonDelete.Click += new EventHandler(this.buttonDel_Click);
_textboxLinkTitle = new TextBox();
_textboxLinkTitle.Width = 400;
_textboxLinkTitle.ID = "linktitle" + base.ID;
_checkNewWindow = new CheckBox();
_checkNewWindow.ID = "checkNewWindow" + base.ID;
_checkNewWindow.Checked = false;
_checkNewWindow.Text = umbraco.ui.GetText("relatedlinks", "newWindow");
_textBoxExtUrl = new TextBox();
_textBoxExtUrl.Width = 400;
_textBoxExtUrl.ID = "exturl" + base.ID;
_buttonAddExtUrl = new Button();
_buttonAddExtUrl.ID = "btnAddExtUrl" + base.ID;
_buttonAddExtUrl.Text = umbraco.ui.GetText("relatedlinks", "addlink");
_buttonAddExtUrl.Width = 80;
_buttonAddExtUrl.Click += new EventHandler(this.buttonAddExt_Click);
_buttonAddIntUrlCP = new Button();
_buttonAddIntUrlCP.ID = "btnAddIntUrl" + base.ID;
_buttonAddIntUrlCP.Text = umbraco.ui.GetText("relatedlinks", "addlink");
_buttonAddIntUrlCP.Width = 80;
_buttonAddIntUrlCP.Click += new EventHandler(this.buttonAddIntCP_Click);
_pagePickerExtractor = new PagePickerDataExtractor();
_pagePicker = new pagePicker(_pagePickerExtractor);
_pagePicker.ID = "pagePicker" + base.ID;
ContentTemplateContainer.Controls.Add(new LiteralControl("<div class=\"relatedlinksdatatype\" style=\"text-align: left; padding: 5px;\"><table><tr><td rowspan=\"2\">"));
ContentTemplateContainer.Controls.Add(_listboxLinks);
ContentTemplateContainer.Controls.Add(new LiteralControl("</td><td style=\"vertical-align: top\">"));
ContentTemplateContainer.Controls.Add(_buttonUp);
ContentTemplateContainer.Controls.Add(new LiteralControl("<br />"));
ContentTemplateContainer.Controls.Add(_buttonDown);
ContentTemplateContainer.Controls.Add(new LiteralControl("</td></tr><tr><td style=\"vertical-align: bottom\">"));
ContentTemplateContainer.Controls.Add(_buttonDelete);
ContentTemplateContainer.Controls.Add(new LiteralControl("<br />"));
ContentTemplateContainer.Controls.Add(new LiteralControl("</td></tr></table>"));
// Add related links container
ContentTemplateContainer.Controls.Add(new LiteralControl(String.Format("<a href=\"javascript:;\" onClick=\"document.getElementById('{0}_addExternalLinkPanel').style.display='none';document.getElementById('{0}_addExternalLinkButton').style.display='none';document.getElementById('{0}_addLinkContainer').style.display='block';document.getElementById('{0}_addInternalLinkPanel').style.display='block';document.getElementById('{0}_addInternalLinkButton').style.display='block';\"><strong>{1}</strong></a>", ClientID, umbraco.ui.GetText("relatedlinks", "addInternal"))));
ContentTemplateContainer.Controls.Add(new LiteralControl(String.Format(" | <a href=\"javascript:;\" onClick=\"document.getElementById('{0}_addInternalLinkPanel').style.display='none';document.getElementById('{0}_addInternalLinkButton').style.display='none';document.getElementById('{0}_addLinkContainer').style.display='block';document.getElementById('{0}_addExternalLinkPanel').style.display='block';document.getElementById('{0}_addExternalLinkButton').style.display='block';\"><strong>{1}</strong></a>", ClientID, umbraco.ui.GetText("relatedlinks", "addExternal"))));
// All urls
ContentTemplateContainer.Controls.Add(new LiteralControl(String.Format("<div id=\"{0}_addLinkContainer\" style=\"display: none; padding: 4px; border: 1px solid #ccc; margin-top: 5px;margin-right:10px;\">", ClientID)));
ContentTemplateContainer.Controls.Add(new LiteralControl(String.Format("<a href=\"javascript:;\" onClick=\"document.getElementById('{0}_addLinkContainer').style.display='none';\" style=\"border: none;\"><img src=\"{1}/images/close.png\" style=\"float: right\" /></a>", ClientID, this.Page.ResolveUrl(SystemDirectories.Umbraco))));
ContentTemplateContainer.Controls.Add(new LiteralControl(String.Format("{0}:<br />", umbraco.ui.GetText("relatedlinks", "caption"))));
ContentTemplateContainer.Controls.Add(_textboxLinkTitle);
ContentTemplateContainer.Controls.Add(new LiteralControl("<br />"));
ContentTemplateContainer.Controls.Add(new LiteralControl(String.Format("<div id=\"{0}_addExternalLinkPanel\" style=\"display: none; margin: 3px 0\">", ClientID)));
ContentTemplateContainer.Controls.Add(new LiteralControl(String.Format("{0}:<br />", umbraco.ui.GetText("relatedlinks", "linkurl"))));
ContentTemplateContainer.Controls.Add(_textBoxExtUrl);
ContentTemplateContainer.Controls.Add(new LiteralControl("</div>"));
ContentTemplateContainer.Controls.Add(new LiteralControl(String.Format("<div id=\"{0}_addInternalLinkPanel\" style=\"display: none; margin: 3px 0\">", ClientID)));
ContentTemplateContainer.Controls.Add(new LiteralControl(String.Format("{0}:<br />", umbraco.ui.GetText("relatedlinks", "internalPage"))));
ContentTemplateContainer.Controls.Add(_pagePicker);
ContentTemplateContainer.Controls.Add(new LiteralControl("</div>"));
ContentTemplateContainer.Controls.Add(new LiteralControl("<div style=\"margin: 5px 0\">"));
ContentTemplateContainer.Controls.Add(_checkNewWindow);
ContentTemplateContainer.Controls.Add(new LiteralControl("</div>"));
ContentTemplateContainer.Controls.Add(new LiteralControl(String.Format("<div id=\"{0}_addInternalLinkButton\" style=\"display: none;\">", ClientID)));
ContentTemplateContainer.Controls.Add(_buttonAddIntUrlCP);
ContentTemplateContainer.Controls.Add(new LiteralControl("</div>"));
ContentTemplateContainer.Controls.Add(new LiteralControl(String.Format("<div id=\"{0}_addExternalLinkButton\" style=\"display: none;\">", ClientID)));
ContentTemplateContainer.Controls.Add(_buttonAddExtUrl);
ContentTemplateContainer.Controls.Add(new LiteralControl("</div>"));
ContentTemplateContainer.Controls.Add(new LiteralControl("</div>"));
ContentTemplateContainer.Controls.Add(new LiteralControl("</div>"));
resetInputMedia();
}
/// <summary>
/// Raises the <see cref="E:System.Web.UI.Control.Init"/> event.
/// </summary>
/// <param name="e">An <see cref="T:System.EventArgs"/> object that contains the event data.</param>
/// <exception cref="T:System.InvalidOperationException">
/// The <see cref="P:System.Web.UI.UpdatePanel.ContentTemplate"/> property is being defined when the <see cref="P:System.Web.UI.UpdatePanel.ContentTemplateContainer"/> property has already been created.
/// </exception>
/// <remarks>
/// Draws the controls, only gets called for the first drawing of the page, not for each postback
/// </remarks>
protected override void OnInit(EventArgs e)
{
base.OnInit(e);
string editLink = string.Format(@"
function {0}_relatedLinkEdit() {{
var idx = document.getElementById('{0}links').selectedIndex;
if (idx != -1) {{
var link = document.getElementById('{0}links')[idx].value;
var text = document.getElementById('{0}links')[idx].text;
if (link.length > 2) {{
var linkType = link.substring(0,1);
var linkNewWind = link.substring(1,2);
var linkLink = link.substring(2);
{0}_closeLinkContainer();
document.getElementById('{0}linktitle').value = text;
if (linkNewWind == 'n') {{
document.getElementById('{0}checkNewWindow').checked = true;
}}
else {{
document.getElementById('{0}checkNewWindow').checked = false;
}}
switch (linkType)
{{
case 'i':
var e = {{ outVal: linkLink }};
mc_{0}pagePicker.SaveSelection(e);
document.getElementById('{0}_addInternalLinkPanel').style.display='block';
document.getElementById('{0}_editInternalLinkButton').style.display='block';
break;
case 'm':
var e = {{ outVal: linkLink }};
mc_{0}mediaChooser.SaveSelection(e);
document.getElementById('{0}_addMediaLinkPanel').style.display='block';
document.getElementById('{0}_editMediaLinkButton').style.display='block';
break;
case 'e':
document.getElementById('{0}exturl').value = linkLink;
document.getElementById('{0}_addExternalLinkPanel').style.display='block';
document.getElementById('{0}_editExternalLinkButton').style.display='block';
break;
}}
document.getElementById('{0}_addLinkContainer').style.display='block';
}}
}}
}}
function {0}_addInternalLink() {{
{0}_closeLinkContainer();
document.getElementById('{0}linktitle').value = '';
document.getElementById('{0}checkNewWindow').checked = false;
//{0}pagePicker_clear();
mc_{0}pagePicker.ClearSelection();
document.getElementById('{0}_addInternalLinkPanel').style.display='block';
document.getElementById('{0}_addInternalLinkButton').style.display='block';
document.getElementById('{0}_addLinkContainer').style.display='block';
}}
function {0}_addMediaLink() {{
{0}_closeLinkContainer();
document.getElementById('{0}linktitle').value = '';
document.getElementById('{0}checkNewWindow').checked = false;
//{0}mediaChooser_clear();
mc_{0}mediaChooser.ClearSelection();
document.getElementById('{0}_addMediaLinkPanel').style.display='block';
document.getElementById('{0}_addMediaLinkButton').style.display='block';
document.getElementById('{0}_addLinkContainer').style.display='block';
}}
function {0}_addExternalLink() {{
{0}_closeLinkContainer();
document.getElementById('{0}linktitle').value = '';
document.getElementById('{0}checkNewWindow').checked = false;
document.getElementById('{0}exturl').value = 'http://';
document.getElementById('{0}_addExternalLinkPanel').style.display='block';
document.getElementById('{0}_addExternalLinkButton').style.display='block';
document.getElementById('{0}_addLinkContainer').style.display='block';
}}
function {0}_closeLinkContainer() {{
document.getElementById('{0}_addInternalLinkPanel').style.display='none';
document.getElementById('{0}_addInternalLinkButton').style.display='none';
document.getElementById('{0}_editInternalLinkButton').style.display='none';
document.getElementById('{0}_addMediaLinkPanel').style.display='none';
document.getElementById('{0}_addMediaLinkButton').style.display='none';
document.getElementById('{0}_editMediaLinkButton').style.display='none';
document.getElementById('{0}_addExternalLinkPanel').style.display='none';
document.getElementById('{0}_addExternalLinkButton').style.display='none';
document.getElementById('{0}_editExternalLinkButton').style.display='none';
document.getElementById('{0}_addLinkContainer').style.display='none';
}}
", this.ClientID);
Page.ClientScript.RegisterStartupScript(this.GetType(), this.ClientID + "_editLink", editLink, true);
try
{
_xml = new XmlDocument();
_xml.LoadXml(_data.Value.ToString());
}
catch
{
_xml = createBaseXmlDocument();
}
_listboxLinks = new ListBox();
_listboxLinks.ID = base.ID + "links";
_listboxLinks.Attributes.Add("onClick", ClientID + "_closeLinkContainer();");
_listboxLinks.Width = 400;
_listboxLinks.Height = 140;
foreach (XmlNode node in _xml.DocumentElement.ChildNodes)
{
string text = node.Attributes["title"].Value.ToString();
string type;
if (node.Attributes["type"].Value.ToString().Equals("internal"))
type = "i";
else if (node.Attributes["type"].Value.ToString().Equals("media"))
type = "m";
else
type = "e";
string value = type
+ (node.Attributes["newwindow"].Value.ToString().Equals("1") ? "n" : "o")
+ node.Attributes["link"].Value.ToString();
_listboxLinks.Items.Add(new ListItem(text, value));
}
_buttonUp = new Button();
_buttonUp.ID = base.ID + "btnUp";
_buttonUp.Text = umbraco.ui.GetText("relatedlinks", "modeUp");
_buttonUp.Width = 80;
_buttonUp.Click += new EventHandler(this.buttonUp_Click);
_buttonDown = new Button();
_buttonDown.ID = base.ID + "btnDown";
_buttonDown.Attributes.Add("style", "margin-top: 5px;");
_buttonDown.Text = umbraco.ui.GetText("relatedlinks", "modeDown");
_buttonDown.Width = 80;
_buttonDown.Click += new EventHandler(this.buttonDown_Click);
_buttonEdit = new Button();
_buttonEdit.ID = base.ID + "btnEdit";
_buttonEdit.Text = GetTextWithDefault("relatedlinks", "editLink", "Edit link");
_buttonEdit.Width = 80;
_buttonEdit.OnClientClick = this.ClientID + "_relatedLinkEdit(); return false;";
_buttonDelete = new Button();
_buttonDelete.ID = base.ID + "btnDel";
_buttonDelete.Text = umbraco.ui.GetText("relatedlinks", "removeLink");
_buttonDelete.Width = 80;
_buttonDelete.Click += new EventHandler(this.buttonDel_Click);
_textboxLinkTitle = new TextBox();
_textboxLinkTitle.Width = 400;
_textboxLinkTitle.ID = base.ID + "linktitle";
_checkNewWindow = new CheckBox();
_checkNewWindow.ID = base.ID + "checkNewWindow";
_checkNewWindow.Checked = false;
_checkNewWindow.Text = umbraco.ui.GetText("relatedlinks", "newWindow");
_textBoxExtUrl = new TextBox();
_textBoxExtUrl.Width = 400;
_textBoxExtUrl.ID = base.ID + "exturl";
_buttonAddExtUrl = new Button();
_buttonAddExtUrl.ID = base.ID + "btnAddExtUrl";
_buttonAddExtUrl.Text = umbraco.ui.GetText("relatedlinks", "addlink");
_buttonAddExtUrl.Width = 80;
_buttonAddExtUrl.Click += new EventHandler(this.buttonAddExt_Click);
_buttonAddIntUrlCP = new Button();
_buttonAddIntUrlCP.ID = base.ID + "btnAddIntUrl";
_buttonAddIntUrlCP.Text = umbraco.ui.GetText("relatedlinks", "addlink");
_buttonAddIntUrlCP.Width = 80;
_buttonAddIntUrlCP.Click += new EventHandler(this.buttonAddIntCP_Click);
_buttonAddMediaCP = new Button();
_buttonAddMediaCP.ID = base.ID + "btnAddMedia";
_buttonAddMediaCP.Text = umbraco.ui.GetText("relatedlinks", "addlink");
_buttonAddMediaCP.Width = 80;
_buttonAddMediaCP.Click += new EventHandler(this.buttonAddMediaCP_Click);
_buttonEditExtUrl = new Button();
_buttonEditExtUrl.ID = base.ID + "btnEditExtUrl";
_buttonEditExtUrl.Text = GetTextWithDefault("relatedlinks", "savelink", "Save");
_buttonEditExtUrl.Width = 80;
_buttonEditExtUrl.Click += new EventHandler(this.buttonEditExt_Click);
_buttonEditIntUrlCP = new Button();
_buttonEditIntUrlCP.ID = base.ID + "btnEditIntUrl";
_buttonEditIntUrlCP.Text = GetTextWithDefault("relatedlinks", "savelink", "Save");
_buttonEditIntUrlCP.Width = 80;
_buttonEditIntUrlCP.Click += new EventHandler(this.buttonEditIntCP_Click);
_buttonEditMediaCP = new Button();
_buttonEditMediaCP.ID = base.ID + "btnEditMedia";
_buttonEditMediaCP.Text = GetTextWithDefault("relatedlinks", "savelink", "Save");
_buttonEditMediaCP.Width = 80;
_buttonEditMediaCP.Click += new EventHandler(this.buttonEditMediaCP_Click);
_pagePickerExtractor = new PagePickerwMediaDataExtractor();
_pagePicker = new pagePicker(_pagePickerExtractor);
_pagePicker.ID = base.ID + "pagePicker";
_mediaChooserExtractor = new PagePickerwMediaDataExtractor();
_mediaChooser = new mediaChooser(_mediaChooserExtractor);
_mediaChooser.ID = base.ID + "mediaChooser";
ContentTemplateContainer.Controls.Add(new LiteralControl("<div class=\"relatedlinksdatatype\" style=\"text-align: left; padding: 5px;\"><table><tr><td rowspan=\"2\">"));
ContentTemplateContainer.Controls.Add(_listboxLinks);
ContentTemplateContainer.Controls.Add(new LiteralControl("</td><td style=\"vertical-align: top\">"));
ContentTemplateContainer.Controls.Add(_buttonUp);
ContentTemplateContainer.Controls.Add(new LiteralControl("<br />"));
ContentTemplateContainer.Controls.Add(_buttonDown);
ContentTemplateContainer.Controls.Add(new LiteralControl("</td></tr><tr><td style=\"vertical-align: bottom\">"));
ContentTemplateContainer.Controls.Add(_buttonEdit);
ContentTemplateContainer.Controls.Add(new LiteralControl("<br />"));
ContentTemplateContainer.Controls.Add(_buttonDelete);
ContentTemplateContainer.Controls.Add(new LiteralControl("<br />"));
ContentTemplateContainer.Controls.Add(new LiteralControl("</td></tr></table>"));
// Add related links container: for each link type, we add a link that displays the
// corresponding div and hides the others
ContentTemplateContainer.Controls.Add(new LiteralControl(string.Format("<a href=\"javascript:;\" onClick=\"{0}_addInternalLink();\"><strong>{1}</strong></a>", ClientID, umbraco.ui.GetText("relatedlinks", "addInternal"))));
ContentTemplateContainer.Controls.Add(new LiteralControl(string.Format(" | <a href=\"javascript:;\" onClick=\"{0}_addMediaLink();\"><strong>{1}</strong></a>", ClientID, GetTextWithDefault("relatedlinks", "addMedia", "Add media link"))));
ContentTemplateContainer.Controls.Add(new LiteralControl(string.Format(" | <a href=\"javascript:;\" onClick=\"{0}_addExternalLink();\"><strong>{1}</strong></a>", ClientID, umbraco.ui.GetText("relatedlinks", "addExternal"))));
// All urls containers
// Main contaniner: {ClienID}_addLinkContainer
ContentTemplateContainer.Controls.Add(new LiteralControl(string.Format("<div id=\"{0}_addLinkContainer\" style=\"display: none; padding: 4px; border: 1px solid #ccc; margin-top: 5px;margin-right:10px;\">", ClientID)));
ContentTemplateContainer.Controls.Add(new LiteralControl(string.Format("<a href=\"javascript:;\" onClick=\"{0}_closeLinkContainer();\" style=\"border: none;\"><img src=\"{1}/images/close.png\" style=\"float: right\" /></a>", ClientID, IOHelper.ResolveUrl(SystemDirectories.Umbraco))));
ContentTemplateContainer.Controls.Add(new LiteralControl(string.Format("{0}:<br />", umbraco.ui.GetText("relatedlinks", "caption"))));
ContentTemplateContainer.Controls.Add(_textboxLinkTitle);
ContentTemplateContainer.Controls.Add(new LiteralControl("<br />"));
// External Url container: {CliendID}_addExternalLinkPanel
ContentTemplateContainer.Controls.Add(new LiteralControl(string.Format("<div id=\"{0}_addExternalLinkPanel\" style=\"display: none; margin: 3px 0\">", ClientID)));
ContentTemplateContainer.Controls.Add(new LiteralControl(string.Format("{0}:<br />", umbraco.ui.GetText("relatedlinks", "linkurl"))));
ContentTemplateContainer.Controls.Add(_textBoxExtUrl);
ContentTemplateContainer.Controls.Add(new LiteralControl("</div>"));
// Internal Link container: {CliendID}_addInternalLinkPanel
ContentTemplateContainer.Controls.Add(new LiteralControl(string.Format("<div id=\"{0}_addInternalLinkPanel\" style=\"display: none; margin: 3px 0\">", ClientID)));
ContentTemplateContainer.Controls.Add(new LiteralControl(string.Format("{0}:<br />", umbraco.ui.GetText("relatedlinks", "internalPage"))));
ContentTemplateContainer.Controls.Add(_pagePicker);
ContentTemplateContainer.Controls.Add(new LiteralControl("</div>"));
// Media Link container: {CliendID}_addMediaLinkPanel
ContentTemplateContainer.Controls.Add(new LiteralControl(string.Format("<div id=\"{0}_addMediaLinkPanel\" style=\"display: none; margin: 3px 0\">", ClientID)));
ContentTemplateContainer.Controls.Add(new LiteralControl(string.Format("{0}:<br />", GetTextWithDefault("relatedlinks", "media", "Media"))));
ContentTemplateContainer.Controls.Add(_mediaChooser);
ContentTemplateContainer.Controls.Add(new LiteralControl("</div>"));
// Checkbox for new window container
ContentTemplateContainer.Controls.Add(new LiteralControl("<div style=\"margin: 5px 0\">"));
ContentTemplateContainer.Controls.Add(_checkNewWindow);
ContentTemplateContainer.Controls.Add(new LiteralControl("</div>"));
// Internal Link button: {ClientID}_addInternalLinkButton
ContentTemplateContainer.Controls.Add(new LiteralControl(string.Format("<div id=\"{0}_addInternalLinkButton\" style=\"display: none;\">", ClientID)));
ContentTemplateContainer.Controls.Add(_buttonAddIntUrlCP);
ContentTemplateContainer.Controls.Add(new LiteralControl("</div>"));
// Internal Link button: {ClientID}_editInternalLinkButton
ContentTemplateContainer.Controls.Add(new LiteralControl(string.Format("<div id=\"{0}_editInternalLinkButton\" style=\"display: none;\">", ClientID)));
ContentTemplateContainer.Controls.Add(_buttonEditIntUrlCP);
ContentTemplateContainer.Controls.Add(new LiteralControl("</div>"));
// Media Link button: {ClientID}_addMediaLinkButton
ContentTemplateContainer.Controls.Add(new LiteralControl(string.Format("<div id=\"{0}_addMediaLinkButton\" style=\"display: none;\">", ClientID)));
ContentTemplateContainer.Controls.Add(_buttonAddMediaCP);
ContentTemplateContainer.Controls.Add(new LiteralControl("</div>"));
// Media Link button: {ClientID}_editMediaLinkButton
ContentTemplateContainer.Controls.Add(new LiteralControl(string.Format("<div id=\"{0}_editMediaLinkButton\" style=\"display: none;\">", ClientID)));
ContentTemplateContainer.Controls.Add(_buttonEditMediaCP);
ContentTemplateContainer.Controls.Add(new LiteralControl("</div>"));
// External Url button: {ClientID}_addExternalLinkButton
ContentTemplateContainer.Controls.Add(new LiteralControl(string.Format("<div id=\"{0}_addExternalLinkButton\" style=\"display: none;\">", ClientID)));
ContentTemplateContainer.Controls.Add(_buttonAddExtUrl);
ContentTemplateContainer.Controls.Add(new LiteralControl("</div>"));
// External Url button: {ClientID}_editExternalLinkButton
ContentTemplateContainer.Controls.Add(new LiteralControl(string.Format("<div id=\"{0}_editExternalLinkButton\" style=\"display: none;\">", ClientID)));
ContentTemplateContainer.Controls.Add(_buttonEditExtUrl);
ContentTemplateContainer.Controls.Add(new LiteralControl("</div>"));
ContentTemplateContainer.Controls.Add(new LiteralControl("</div>"));
ContentTemplateContainer.Controls.Add(new LiteralControl("</div>"));
resetInputMedia();
}