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muhammadumargroupdocsmuhammadumargroupdocs
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Udated webform front end
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12 files changed

+558
-161
lines changed

12 files changed

+558
-161
lines changed

‎Showcases/WebForm_Front_End/GroupDocs.Viewer.WebForm.FrontEnd/BusinessLayer/GetDocumentPageHtmlParameters.cs

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namespace GroupDocs.Viewer.WebForm.FrontEnd.BusinessLayer
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{
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public class GetDocumentPageHtmlParameters
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{
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public string Path { get; set; }
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public int PageIndex { get; set; }
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public bool UsePngImages { get; set; }
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public bool EmbedImagesIntoHtmlForWordFiles { get; set; }
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public string InstanceIdToken { get; set; }
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public string Locale { get; set; }
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public bool SaveFontsInAllFormats { get; set; }
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}
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}

‎Showcases/WebForm_Front_End/GroupDocs.Viewer.WebForm.FrontEnd/BusinessLayer/GetDocumentPageImageParameters.cs

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namespace GroupDocs.Viewer.WebForm.FrontEnd.BusinessLayer
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{
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public class GetDocumentPageImageParameters : WatermarkedDocumentParameters
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{
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public int PageIndex { get; set; }
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public int? Width { get; set; }
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public int? Quality { get; set; }
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public bool UsePdf { get; set; }
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public bool IgnoreDocumentAbsence { get; set; }
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public bool UseHtmlBasedEngine { get; set; }
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public bool Rotate { get; set; }
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public string InstanceIdToken { get; set; }
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public string Locale { get; set; }
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}
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}

‎Showcases/WebForm_Front_End/GroupDocs.Viewer.WebForm.FrontEnd/BusinessLayer/Helpers/ImageUrlHelper.cs

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using System.Collections.Generic;
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using System.Text;
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using System.Web;
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using System.Web.Routing;
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namespace GroupDocs.Viewer.WebForm.FrontEnd.BusinessLayer.Helpers
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{
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public static class ImageUrlHelper
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{
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public static string[] GetImageUrls(string applicationHost, int[] pageNumbers, GetImageUrlsParameters parameters)
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{
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return GetImageUrls(applicationHost, parameters.Path, parameters.FirstPage, pageNumbers.Length, parameters.Width,
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parameters.Quality, parameters.UsePdf,
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parameters.WatermarkText, parameters.WatermarkColor,
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parameters.WatermarkPosition,
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parameters.WatermarkWidth,
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parameters.IgnoreDocumentAbsence,
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parameters.UseHtmlBasedEngine, parameters.SupportPageRotation,
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parameters.InstanceIdToken,
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null,
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pageNumbers);
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}
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public static string[] GetImageUrls(string applicationHost, int[] pageNumbers, ViewDocumentParameters parameters)
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{
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return GetImageUrls(applicationHost, parameters.Path, 0, pageNumbers.Length, parameters.Width,
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parameters.Quality, parameters.UsePdf,
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parameters.WatermarkText, parameters.WatermarkColor,
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parameters.WatermarkPosition,
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parameters.WatermarkWidth,
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parameters.IgnoreDocumentAbsence,
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parameters.UseHtmlBasedEngine, parameters.SupportPageRotation,
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parameters.InstanceIdToken,
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null,
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pageNumbers);
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}
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private static string[] GetImageUrls(string applicationHost, string path, int startingPageNumber, int pageCount, int? pageWidth, int? quality, bool usePdf = true,
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string watermarkText = null, int? watermarkColor = null,
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WatermarkPosition? watermarkPosition = WatermarkPosition.Diagonal, float? watermarkWidth = 0,
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bool ignoreDocumentAbsence = false,
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bool useHtmlBasedEngine = false,
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bool supportPageRotation = false,
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string instanceId = null,
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string locale = null,
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int[] pageNumbers = null)
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{
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string[] pageUrls = new string[pageCount];
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RouteValueDictionary routeValueDictionary = new RouteValueDictionary
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{
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{"path", path},
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{"width", pageWidth},
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{"quality", quality},
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{"usePdf", usePdf},
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{"useHtmlBasedEngine", useHtmlBasedEngine},
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{"rotate", supportPageRotation}
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};
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if (!string.IsNullOrWhiteSpace(locale))
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routeValueDictionary.Add("locale", locale);
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if (!string.IsNullOrEmpty(watermarkText))
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{
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routeValueDictionary.Add("watermarkText", watermarkText);
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routeValueDictionary.Add("watermarkColor", watermarkColor);
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routeValueDictionary.Add("watermarkPosition", watermarkPosition);
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routeValueDictionary.Add("watermarkWidth", watermarkWidth);
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}
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if (!string.IsNullOrWhiteSpace(instanceId))
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routeValueDictionary.Add("instanceIdToken", instanceId);
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if (ignoreDocumentAbsence)
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routeValueDictionary.Add("ignoreDocumentAbsence", ignoreDocumentAbsence);
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if (pageNumbers != null)
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{
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for (int i = 0; i < pageCount; i++)
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{
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routeValueDictionary["pageIndex"] = pageNumbers[i] - 1;
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pageUrls[i] = ConvertUrlToAbsolute(applicationHost, CreateRelativeRequestUrl("GetDocumentPageImage.aspx", routeValueDictionary));
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}
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}
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else
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{
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for (int i = 0; i < pageCount; i++)
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{
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routeValueDictionary["pageIndex"] = startingPageNumber + i;
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pageUrls[i] = ConvertUrlToAbsolute(applicationHost, CreateRelativeRequestUrl("GetDocumentPageImage.aspx", routeValueDictionary));
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}
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}
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return pageUrls;
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}
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private static string ConvertUrlToAbsolute(string applicationHost, string inputUrl)
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{
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string result = string.Format("{0}{1}", applicationHost, inputUrl);
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return result;
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}
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private static string CreateRelativeRequestUrl(string actionName, RouteValueDictionary routeValueDictionary)
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{
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StringBuilder urlBuilder = new StringBuilder("/");
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urlBuilder.Append(actionName);
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if (routeValueDictionary.Count == 0)
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{
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return urlBuilder.ToString();
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}
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urlBuilder.Append("?");
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foreach (KeyValuePair<string, object> oneRoute in routeValueDictionary)
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{
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if (string.IsNullOrWhiteSpace(oneRoute.Key)
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|| oneRoute.Value == null
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|| string.IsNullOrWhiteSpace(oneRoute.Value.ToString()))
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{
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continue;
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}
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urlBuilder.Append(oneRoute.Key);
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urlBuilder.Append("=");
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string originalValue = oneRoute.Value.ToString();
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string encodedValue = HttpUtility.UrlEncode(originalValue);
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urlBuilder.Append(encodedValue);
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urlBuilder.Append("&");
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}
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urlBuilder.Remove(urlBuilder.Length - 1, 1);//remove last character '&'
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return urlBuilder.ToString();
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}
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}
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}

‎Showcases/WebForm_Front_End/GroupDocs.Viewer.WebForm.FrontEnd/BusinessLayer/Helpers/Utils.cs

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@@ -294,5 +294,20 @@ public static Watermark GetWatermark(string watermarkText, int? watermarkColor,
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throw new ArgumentOutOfRangeException();
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}
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}
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public static List<string> GetCssClasses(string pageHtml)
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{
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var regex = new Regex("class=['\"]([a-zA-Z0-9\\s]+)['\"]", RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.Multiline);
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var matches = regex.Matches(pageHtml);
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List<string> classes = new List<string>();
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for (int i = 0; i < matches.Count; i++)
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{
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var values = matches[i].Groups[1].Value.Split(' ').ToList();
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classes.AddRange(values);
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}
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return classes.Distinct().ToList();
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}
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}
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}

‎Showcases/WebForm_Front_End/GroupDocs.Viewer.WebForm.FrontEnd/GetDocumentPageImage.aspx

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<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="GetDocumentPageImage.aspx.cs" Inherits="GroupDocs.Viewer.WebForm.FrontEnd.GetDocumentPageImage" %>
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<!DOCTYPE html>
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head runat="server">
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<title></title>
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</head>
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<body>
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<form id="form1" runat="server">
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<div>
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</div>
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</form>
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</body>
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</html>

‎Showcases/WebForm_Front_End/GroupDocs.Viewer.WebForm.FrontEnd/GetDocumentPageImage.aspx.cs

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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Web;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using GroupDocs.Viewer;
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using GroupDocs.Viewer.Config;
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using GroupDocs.Viewer.Converter.Options;
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using GroupDocs.Viewer.Domain;
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using GroupDocs.Viewer.Domain.Options;
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using GroupDocs.Viewer.Handler;
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using GroupDocs.Viewer.WebForm.FrontEnd.BusinessLayer;
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using GroupDocs.Viewer.WebForm.FrontEnd.BusinessLayer.Helpers;
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using GroupDocs.Viewer.Domain.Html;
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using System.Net;
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using GroupDocs.Viewer.Domain.Containers;
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using GroupDocs.Viewer.Domain.Image;
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using System.Net.Mime;
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using System.Collections.Specialized;
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using System.Reflection;
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namespace GroupDocs.Viewer.WebForm.FrontEnd
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{
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public partial class GetDocumentPageImage : System.Web.UI.Page
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{
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private static ViewerHtmlHandler _htmlHandler;
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private static ViewerImageHandler _imageHandler;
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private static string _storagePath = AppDomain.CurrentDomain.GetData("DataDirectory").ToString(); // App_Data folder path
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private static string _tempPath = AppDomain.CurrentDomain.GetData("DataDirectory") + "\\Temp";
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private static ViewerConfig _config;
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protected void Page_Load(object sender, EventArgs e)
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{
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_config = new ViewerConfig
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{
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StoragePath = _storagePath,
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TempPath = _tempPath,
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UseCache = true
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};
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_htmlHandler = new ViewerHtmlHandler(_config);
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_imageHandler = new ViewerImageHandler(_config);
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GetDocumentPageImageParameters parameters = new GetDocumentPageImageParameters();
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foreach (String key in Request.QueryString.AllKeys)
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{
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if (!string.IsNullOrEmpty(Request.QueryString[key]))
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{
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var propertyInfo = parameters.GetType().GetProperty(key, BindingFlags.IgnoreCase | BindingFlags.Public | BindingFlags.Instance);
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propertyInfo.SetValue(parameters, ChangeType(Request.QueryString[key], propertyInfo.PropertyType),null);
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}
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}
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string guid = parameters.Path;
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int pageIndex = parameters.PageIndex;
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int pageNumber = pageIndex + 1;
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var displayName=parameters.Path;
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/*
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//NOTE: This feature is supported starting from version 3.2.0
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CultureInfo cultureInfo = string.IsNullOrEmpty(parameters.Locale)
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? new CultureInfo("en-Us")
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: new CultureInfo(parameters.Locale);
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ViewerImageHandler viewerImageHandler = new ViewerImageHandler(viewerConfig, cultureInfo);
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*/
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var imageOptions = new ImageOptions
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{
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//ConvertImageFileType = _convertImageFileType,
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ConvertImageFileType = ConvertImageFileType.JPG,
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JpegQuality = 100,
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Watermark = Utils.GetWatermark(parameters.WatermarkText, parameters.WatermarkColor,
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parameters.WatermarkPosition, parameters.WatermarkWidth),
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Transformations = parameters.Rotate ? Transformation.Rotate : Transformation.None
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};
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if (parameters.Rotate && parameters.Width.HasValue)
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{
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DocumentInfoOptions documentInfoOptions = new DocumentInfoOptions(guid);
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DocumentInfoContainer documentInfoContainer = _imageHandler.GetDocumentInfo(documentInfoOptions);
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int side = parameters.Width.Value;
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int pageAngle = documentInfoContainer.Pages[pageIndex].Angle;
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if (pageAngle == 90 || pageAngle == 270)
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imageOptions.Height = side;
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else
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imageOptions.Width = side;
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}
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/*
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//NOTE: This feature is supported starting from version 3.2.0
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if (parameters.Quality.HasValue)
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imageOptions.JpegQuality = parameters.Quality.Value;
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*/
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using (new InterProcessLock(guid))
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{
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List<PageImage> pageImages = _imageHandler.GetPages(guid, imageOptions);
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PageImage pageImage = pageImages.Single(_ => _.PageNumber == pageNumber);
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var fileStream = pageImage.Stream;
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// return File(pageImage.Stream, GetContentType(_convertImageFileType));
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byte[] Bytes = new byte[fileStream.Length];
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fileStream.Read(Bytes, 0, Bytes.Length);
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string contentDispositionString = "attachment; filename=\"" + displayName + "\"";
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contentDispositionString = new ContentDisposition { FileName = displayName, Inline = true }.ToString();
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HttpContext.Current.Response.ContentType = "image/jpeg";
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HttpContext.Current.Response.AddHeader("Content-Disposition", contentDispositionString);
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HttpContext.Current.Response.AddHeader("Content-Length", fileStream.Length.ToString());
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HttpContext.Current.Response.OutputStream.Write(Bytes, 0, Bytes.Length);
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HttpContext.Current.Response.Flush();
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HttpContext.Current.Response.End();
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}
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}
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public object ChangeType(object value, Type conversion)
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{
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var t = conversion;
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if (t.IsGenericType && t.GetGenericTypeDefinition().Equals(typeof(Nullable<>)))
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{
133+
if (value == null)
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{
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return null;
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}
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t = Nullable.GetUnderlyingType(t);
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}
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return Convert.ChangeType(value, t);
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}
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}
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}

‎Showcases/WebForm_Front_End/GroupDocs.Viewer.WebForm.FrontEnd/GetDocumentPageImage.aspx.designer.cs

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