190 lines
4.0 KiB
C#
190 lines
4.0 KiB
C#
using System;
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using System.Web;
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using System.Security.Permissions;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using System.ComponentModel;
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using System.Collections;
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namespace Yavsc.WebControls
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{
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/// <summary>
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/// Result pages.
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/// </summary>
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[
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AspNetHostingPermission (SecurityAction.Demand,
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Level = AspNetHostingPermissionLevel.Minimal),
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AspNetHostingPermission (SecurityAction.InheritanceDemand,
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Level = AspNetHostingPermissionLevel.Minimal),
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ParseChildren (true),
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ToolboxData ("<{0}:ResultPages runat=\"server\"> </{0}:ResultPages>")
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]
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public class ResultPages: WebControl
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{
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/// <summary>
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/// Initializes a new instance of the <see cref="Yavsc.WebControls.ResultPages"/> class.
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/// </summary>
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public ResultPages ()
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{
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}
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/// <summary>
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/// Gets or sets the results per page.
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/// </summary>
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/// <value>The results per page.</value>
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public int PageSize {
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get {
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return (int)( ViewState["PageSize"]==null?10:ViewState["PageSize"]);
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}
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set {
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ViewState["PageSize"]=value;
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}
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}
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/// <summary>
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/// Gets or sets the result count.
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/// </summary>
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/// <value>The result count.</value>
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public int ResultCount {
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get {
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return (int)( ViewState["ResultCount"]==null?0:ViewState["ResultCount"]);
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}
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set {
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ViewState["ResultCount"] = value;
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}
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}
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/// <summary>
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/// Gets or sets the text.
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/// </summary>
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/// <value>The text.</value>
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[DefaultValue("Pages:")]
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[Localizable(true)]
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public string Text {
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get {
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string s = (string)ViewState["Text"];
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return (s == null) ? "Pages:" : s;
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}
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set {
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ViewState["Text"] = value;
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}
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}
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/// <summary>
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/// Gets or sets the action.
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/// </summary>
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/// <value>The action.</value>
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[Bindable (true)]
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[DefaultValue("?pageIndex=")]
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public string Action {
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get {
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string s = (string)ViewState["Action"];
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return (s == null) ? "?pageIndex=" : s;
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}
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set {
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ViewState["Action"] = value;
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}
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}
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/// <summary>
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/// Gets or sets the Single page message.
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/// </summary>
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/// <value>The none.</value>
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[Bindable (true)]
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[DefaultValue("1")]
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public string SinglePage {
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get {
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return (string) ViewState["SinglePage"];
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}
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set {
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ViewState["SinglePage"] = value;
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}
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}
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/// <summary>
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/// Gets or sets the none.
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/// </summary>
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/// <value>The none.</value>
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[Bindable (true)]
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[DefaultValue("none")]
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public string None {
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get {
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return (string) ViewState["None"];
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}
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set {
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ViewState["None"] = value;
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}
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}
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/// <summary>
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/// Gets or sets the none.
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/// </summary>
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/// <value>The none.</value>
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[Bindable (true)]
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[DefaultValue("Pages: ")]
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public string PagesLabel {
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get {
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return (string) ViewState["PagesLabel"];
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}
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set {
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ViewState["PagesLabel"] = value;
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}
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}
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/// <summary>
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/// Gets or sets the current page.
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/// </summary>
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/// <value>The current page.</value>
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[Bindable (true)]
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[DefaultValue(0)]
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public int PageIndex {
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get {
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int i = (int)(ViewState["PageIndex"]==null?0:ViewState["PageIndex"]);
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return i;
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}
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set {
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ViewState["PageIndex"] = value;
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}
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}
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/// <summary>
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/// Renders the contents as the list of links to pages of results.
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/// </summary>
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/// <param name="writer">Writer.</param>
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protected override void RenderContents (HtmlTextWriter writer)
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{
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if (ResultCount > 0 && ResultCount > PageSize ) {
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writer.WriteEncodedText (Text);
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int pageCount = ((ResultCount-1) / PageSize) + 1;
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if ( pageCount > 1 ) {
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writer.Write (PagesLabel);
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for (int pi = (PageIndex < 5) ? 0 : PageIndex - 5; pi < pageCount && pi < PageIndex + 5; pi++) {
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if (PageIndex == pi)
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writer.RenderBeginTag ("b");
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else {
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writer.AddAttribute (HtmlTextWriterAttribute.Href,
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string.Format (Action, pi));
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writer.RenderBeginTag ("a");
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}
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writer.Write (pi + 1);
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writer.RenderEndTag ();
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writer.Write (" ");
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}
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}
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else {
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writer.Write (SinglePage);
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}
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}
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if (ResultCount == 0) {
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writer.Write (None);
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}
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}
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}
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}
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