/// <summary>
/// Registers the client-side script.
/// </summary>
private void RegisterClientScript()
{
ClientScriptManager csm = this.Page.ClientScript;
// Register a hidden field which will hold the changes made on the clientside.
csm.RegisterHiddenField("webPartLayoutChanges", String.Empty);
// Register the webpart manager script.
csm.RegisterClientScriptResource(this.GetType(), "Wilco.Web.Resources.WebPartManager.js");
// Register the initialization script.
StringBuilder script = new StringBuilder();
script.Append("var webPartPageFormName = document.forms[0].id;");
script.AppendFormat("WebPartSetupLayoutFlags('{0}', '{1}');\r\n", this.DragObjectCssClass, this.SplitterObjectCssClass);
csm.RegisterStartupScript(this.GetType(), "WebPartManager_Init", script.ToString(), true);
StringBuilder zoneArray = new StringBuilder();
for (int i = 0; i < this.zones.Count; i++)
{
if (i > 0)
{
zoneArray.Append(',');
}
zoneArray.AppendFormat("new Array('{0}', '{1}', '{2}')", this.zones[i].ClientID, this.zones[i].CssClass, this.zones[i].DragCssClass);
}
csm.RegisterArrayDeclaration("webPartZones", zoneArray.ToString());
}
/// <summary>
/// 向System.Web.UI.Page 注册一个隐藏值
/// </summary>
/// <param name="page">System.Web.UI.Page</param>
/// <param name="hiddenFieldName">要注册的隐藏字段的名称</param>
/// <param name="HiddenFieldInitialValue">要注册的字段的初始值</param>
public static void JsHiddenField(Page page, string hiddenFieldName, string HiddenFieldInitialValue)
{
// Get a ClientScriptManager reference from the Page class.
ClientScriptManager clientScript = page.ClientScript;
clientScript.RegisterHiddenField(hiddenFieldName, HiddenFieldInitialValue);
}
public static void RegisterHiddenField(Page p)
{
ClientScriptManager cs = p.ClientScript;
// Define the hidden field name and initial value.
String hiddenName = "MyHiddenField";
String hiddenValue = "3";
// Register the hidden field with the Page class.
cs.RegisterHiddenField(hiddenName, hiddenValue);
}
private void RegisterScrollScript()
{
if (this.Page == null)
{
return;
}
MultiViewBar parent = this.Parent as MultiViewBar;
if (parent == null || !parent.EnableClientScript)
{
return;
}
ClientScriptManager script = this.Page.ClientScript;
script.RegisterHiddenField(this.ScrollXName, this.scrollX);
script.RegisterHiddenField(this.ScrollYName, this.scrollY);
script.RegisterClientScriptResource(typeof(MultiViewItem), "MetaBuilders.WebControls.Embedded.MultiViewItemScript.js");
script.RegisterStartupScript(typeof(MultiViewItem), "startup", "MetaBuilders_MultiViewItem_Init(); " + String.Format(Resources.AjaxWorkaroundScript, "MetaBuilders_MultiViewItem_Init"), true);
script.RegisterArrayDeclaration("MetaBuilders_MultiViewItems", "'" + this.ClientID + "_ScrollArea'");
}
/// <summary>
/// Call this method on page's "SavePageStateToPersistenceMedium" method
/// </summary>
/// <param name="clientScript">ClientScript object of page</param>
/// <param name="viewState">parameter of "SavePageStateToPersistenceMedium" method</param>
public static void CompressViewState(ClientScriptManager clientScript, object viewState, int splitSize = 4000)
{
LosFormatter formatter = new LosFormatter();
StringWriter writer = new StringWriter();
formatter.Serialize(writer, viewState);
string viewStateString = writer.ToString();
byte[] bytes = Convert.FromBase64String(viewStateString);
bytes = Compress(bytes);
int byteSplitSize = splitSize / 4 * 3;
for (int i = 0; i <= bytes.Length / byteSplitSize; i++)
{
int offset = i * byteSplitSize;
string base64 = Convert.ToBase64String(bytes, offset, Math.Min(byteSplitSize, bytes.Length - offset));
clientScript.RegisterHiddenField("__VSTATE" + i, base64);
}
}
protected void Button1_Click(object sender, EventArgs e)
{
String arrName = "MyArray";
String arrValue = "\"1\", \"2\", \"text\"";
// Define the hidden field name and initial value.
String hiddenName = "MyHiddenField";
String hiddenValue = "3";
// Get a ClientScriptManager reference from the Page class.
ClientScriptManager cs = Page.ClientScript;
// Register the array with the Page class.
cs.RegisterArrayDeclaration(arrName, arrValue);
// Register the hidden field with the Page class.
cs.RegisterHiddenField(hiddenName, hiddenValue);
}
/// <summary>
/// Builds the scripts.
/// </summary>
private void BuildScripts()
{
try
{
IButtonControl btn = (IButtonControl)this.Parent.FindControl(this.CropButtonID);
btn.Click += new EventHandler(btn_Click);
}
catch
{
throw new NullReferenceException("Please set CropButtonID property, it can be either linkbutton or button control. [" + this.ID.ToString() + "]");
}
string aPath = HttpContext.Current.Request.Url.AbsolutePath.Replace(
HttpContext.Current.Request.Url.Segments[HttpContext.Current.Request.Url.Segments.Length - 1], "");
this.APath = aPath;
ClientScriptManager cs = Page.ClientScript;
if (this.IncludeJQuery)
{
if (string.IsNullOrEmpty(this.ScriptPath))
{
this.ScriptPath = APath + "scripts/";
}
if (!cs.IsClientScriptIncludeRegistered(this.GetType(), "jquery"))
{
cs.RegisterClientScriptInclude(this.GetType()
, "jquery", ResolveClientUrl(this.ScriptPath + "jquery.js"));
}
if (!cs.IsClientScriptIncludeRegistered(this.GetType(), "jqueryCrop"))
{
cs.RegisterClientScriptInclude(this.GetType()
, "jqueryCrop", ResolveClientUrl(this.ScriptPath + "jquery.jcrop.js"));
}
}
//bool cropInitScriptAdded = cs.IsClientScriptBlockRegistered("cropInit");
cs.RegisterHiddenField("_x_" + this.ClientID, this.x.ToString());
cs.RegisterHiddenField("_y_" + this.ClientID, this.y.ToString());
cs.RegisterHiddenField("_w_" + this.ClientID, this.w.ToString());
cs.RegisterHiddenField("_h_" + this.ClientID, this.h.ToString());
if (true)
{
Image image = (Image)this.Parent.FindControl(cropimage);
ViewState["imagePath"] = image.ImageUrl;
StringBuilder sb = new StringBuilder();
sb.Append("<script>");
sb.Append("$(function(){");
int x = X; int y = Y; int w = W == 0 ? 15 : W; int h = H == 0 ? 15 : H;
sb.Append("$('#" + image.ClientID + "').Jcrop({" +
"setSelect: [" + x.ToString() + "," + y.ToString() + "," + w.ToString() + ", " + h.ToString() + "]" +
", onChange: __showPreview_" + this.ClientID);
if (!string.IsNullOrEmpty(this.Ratio))
{
sb.Append(", aspectRatio: " + this.Ratio);
}
if (!string.IsNullOrEmpty(this.MaxSize))
{
sb.Append(", maxSize: [" + this.MaxSize + "]");
}
if (!string.IsNullOrEmpty(this.MinSize))
{
sb.Append(", minSize: [" + this.MinSize + "]");
}
sb.Append("});");
sb.Append("});");
sb.Append("function __showPreview_" + this.ClientID + " (coords){" +
"$('#_x_" + this.ClientID + "').val(coords.x);" +
"$('#_y_" + this.ClientID + "').val(coords.y);" +
"$('#_w_" + this.ClientID + "').val(coords.w);" +
"$('#_h_" + this.ClientID + "').val(coords.h);" +
"}");
sb.Append("</script>");
this.script = sb.ToString();
}
}
private void crearCampoOcultoPerfil(string perfil)
{
ClientScriptManager campo = Page.ClientScript;
campo.RegisterHiddenField("OcultoPerfil", perfil);
}
private void crearCampoOcultoNombre(string nombre)
{
ClientScriptManager campo = Page.ClientScript;
campo.RegisterHiddenField("OcultoNombre", nombre);
}
/// <summary>
/// Registers a hidden value with the <see cref="T:System.Web.UI.Page"/> object.
/// </summary>
/// <param name="hiddenFieldName">The name of the hidden field to register.
/// </param><param name="hiddenFieldInitialValue">The initial value of the field to register.
/// </param><exception cref="T:System.ArgumentNullException"><paramref name="hiddenFieldName"/> is null.
/// </exception>
public void RegisterHiddenField(string hiddenFieldName, string hiddenFieldInitialValue)
{
_clientScriptManager.RegisterHiddenField(hiddenFieldName, hiddenFieldInitialValue);
}
/// <summary>
///
/// </summary>
protected override void CreateChildControls()
{
bool isInUpdatePanel = this.IsInUpdatePanel;
//Page p = (Page)System.Web.HttpContext.Current.Handler;
//ScriptManager m = ScriptManager.GetCurrent(p);
ClientScriptManager cs = Page.ClientScript;
if (this.IncludeJQuery)
{
if (string.IsNullOrEmpty(this.ScriptPath))
{
this.ScriptPath = "/scripts/";
}
if (isInUpdatePanel)
{
if (!cs.IsClientScriptIncludeRegistered(this.GetType(), "jquery"))
{
ScriptManager.RegisterClientScriptInclude(this, this.GetType()
, "jquery", ResolveClientUrl(this.ScriptPath + "jquery.js"));
}
if (!cs.IsClientScriptIncludeRegistered(this.GetType(), "jqueryCrop"))
{
ScriptManager.RegisterClientScriptInclude(this, this.GetType()
, "jqueryCrop", ResolveClientUrl(this.ScriptPath + "jquery.jcrop.js"));
}
}
else
{
if (!cs.IsClientScriptIncludeRegistered(this.GetType(), "jquery"))
{
cs.RegisterClientScriptInclude(this.GetType()
, "jquery", ResolveClientUrl(this.ScriptPath + "jquery.js"));
}
if (!cs.IsClientScriptIncludeRegistered(this.GetType(), "jqueryCrop"))
{
cs.RegisterClientScriptInclude(this.GetType()
, "jqueryCrop", ResolveClientUrl(this.ScriptPath + "jquery.jcrop.js"));
}
}
}
else
{
// load it from google ajax library. Faster way and less annoying!
/*if(!cs.IsClientScriptIncludeRegistered("jquery"))
* cs.RegisterClientScriptInclude("jquery"
* , "http://ajax.googleapis.com/ajax/libs/jquery/1.2.6/jquery.min.js");
*/
string jquery = "\r\n<script src=\"" + cs.GetWebResourceUrl(this.GetType(),
"CS.Web.UI.jquery.js") + "\" type=\"text/javascript\"></script>\r\n";
string cropJS = "\r\n<script src=\"" + cs.GetWebResourceUrl(this.GetType(),
"CS.Web.UI.jquery.jcrop.js") + "\" type=\"text/javascript\"></script>\r\n";
if (isInUpdatePanel)
{
if (!cs.IsClientScriptBlockRegistered("jquery"))
{
cs.RegisterClientScriptBlock(this.GetType(), "jquery", jquery, false);
}
if (!cs.IsClientScriptBlockRegistered("cropJS"))
{
cs.RegisterClientScriptBlock(this.GetType(), "cropJS", cropJS, false);
}
}
else
{
if (!cs.IsClientScriptBlockRegistered("jquery"))
{
ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "jquery", jquery, false);
}
if (!cs.IsClientScriptBlockRegistered("cropJS"))
{
ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "cropJS", cropJS, false);
}
}
}
string cropCss = "<link href=\"" + cs.GetWebResourceUrl(this.GetType(),
"CS.Web.UI.jquery.jcrop.css") + "\" type=\"text/css\" rel=\"stylesheet\" />\r\n";
//if (!Page.Header.Controls.Add(new LiteralControl(("cropCss"))
// cs.RegisterStartupScript(this.GetType(), "cropCss", cropCss, false);
if (!cs.IsClientScriptBlockRegistered("cropJS"))
{
Page.Header.Controls.Add(new LiteralControl(cropCss));
}
//bool cropInitScriptAdded = cs.IsClientScriptBlockRegistered("cropInit");
if (true)
{
System.Web.UI.WebControls.Image image =
(System.Web.UI.WebControls.Image)Parent.FindControl(cropimage);
ViewState["ImageUrl"] = image.ImageUrl;
//System.Drawing.Image img =
// System.Drawing.Image.FromFile(HttpContext.Current.Server.MapPath( image.ImageUrl));
//check if we set canvas size
if (this.CanvasHeight > 0 | this.CanvasWidth > 0)
{
string folder = HttpContext.Current.Server.MapPath("~/");
GetRawSize(folder + image.ImageUrl);
double rratio = (double)rawHeight / rawWidth; //raw image ratio
double cratio; //canvas ratio
if (this.CanvasHeight == 0)
{
cratio = rratio;
this.CanvasHeight = Convert.ToInt32(this.CanvasWidth * rratio);
}
else if (this.CanvasWidth == 0)
{
cratio = rratio;
this.CanvasWidth = Convert.ToInt32(this.CanvasHeight / rratio);
}
else
{
cratio = (double)CanvasHeight / CanvasWidth;
}
if (rratio > cratio)
{//we have to fit height
if (rawHeight > CanvasHeight)
{
resizefact = (double)CanvasHeight / rawHeight;
image.Height = CanvasHeight;
image.Width = Convert.ToInt32(rawWidth * resizefact);
}
}
else
{ //we have to fit width
if (rawWidth > CanvasWidth)
{
resizefact = (double)CanvasWidth / rawWidth;
image.Width = CanvasWidth;
image.Height = Convert.ToInt32(rawHeight * resizefact);
}
}
ViewState["canvasRatio"] = resizefact;
}
StringBuilder sb = new StringBuilder();
sb.Append("<script>$(function(){ ");
string showPreviewScript = "";
showPreviewScript = ", onChange: __showPreview" +
", onSelect: __showPreview";
sb.Append("$('#" + image.ClientID + "').Jcrop({" +
"setSelect: [" + X.ToString() + "," +
Y.ToString() + "," +
X2.ToString() + ", " +
Y2.ToString() + "]" +
showPreviewScript);
if (!string.IsNullOrEmpty(this.Ratio))
{
sb.Append(", aspectRatio: " + this.Ratio);
}
if (!string.IsNullOrEmpty(this.MaxSize))
{
sb.Append(", maxSize: [" + this.MaxSize + "]");
}
if (!string.IsNullOrEmpty(this.MinSize))
{
sb.Append(", minSize: [" + this.MinSize + "]");
}
sb.Append("});");
sb.Append("});");
string script = @"function __showPreview(coords){
try{
$('#_x').val(coords.x);
$('#_y').val(coords.y);
$('#_w').val(coords.w);
$('#_h').val(coords.h);
var rx = {1} / coords.w;
var ry = {2} / coords.h;
$('#{0}').css({
width: Math.round(rx * {3}) + 'px',
height: Math.round(ry * {4}) + 'px',
marginLeft: '-' + Math.round(rx * coords.x) + 'px',
marginTop: '-' + Math.round(ry * coords.y) + 'px'
});
}
catch(e){}
}
";
GetRawSize(image.ImageUrl);
script = script.Replace("{0}", this.PreviewImageID);
script = script.Replace("{1}", rawWidth.ToString());
script = script.Replace("{2}", rawHeight.ToString());
script = script.Replace("{3}", rawWidth.ToString());
script = script.Replace("{4}", rawHeight.ToString());
sb.Append(script);
//sb.Append(string.Format(script.ToString(),this.PreviewImageID));
//if (EnablePreview)
//{
// sb.Append("\r\n function __showPreview22(coords){ \r\n" +
// "var rx = 100 / coords.w; \r\n" +
// "var ry = 100 / coords.h; \r\n" +
// "$('#preview').css({" +
// " width: Math.round(rx * " + img.Width + ") + 'px', \r\n" +
// " height: Math.round(ry * " + img.Height + ") + 'px', \r\n" +
// " marginLeft: '-' + Math.round(rx * coords.x) + 'px', \r\n" +
// " marginTop: '-' + Math.round(ry * coords.y) + 'px' \r\n" +
// "}); try {__showDebug(coords); } catch(e) {}}\r\n\r\n");
//}
/*sb.Append(@"function __showDebug(coords){
* try{
* $('#wci_xt').val(coords.x);
* $('#wci_yt').val(coords.y);
* $('#wci_wt').val(coords.w);
* $('#wci_ht').val(coords.h);
* }
* catch(e){}
* }");
*
*/
sb.Append(@"</script>");
if (isInUpdatePanel)
{
ScriptManager.RegisterClientScriptBlock(this, this.GetType()
, "cropInit"
, sb.ToString(), false);
//ScriptManager.RegisterStartupScript(this, this.GetType(), "alertbabam", "alert('test');", true);
ScriptManager.RegisterHiddenField(this, "_x", X.ToString());
ScriptManager.RegisterHiddenField(this, "_y", Y.ToString());
ScriptManager.RegisterHiddenField(this, "_w", W.ToString());
ScriptManager.RegisterHiddenField(this, "_h", H.ToString());
}
else
{
cs.RegisterClientScriptBlock(this.GetType()
, "cropInit"
, sb.ToString(), false);
cs.RegisterHiddenField("_x", X.ToString());
cs.RegisterHiddenField("_y", Y.ToString());
cs.RegisterHiddenField("_w", W.ToString());
cs.RegisterHiddenField("_h", H.ToString());
}
image.Dispose();
//img.Dispose();
}
base.CreateChildControls();
//HttpContext.Current.Response.Write("ssss");
}