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|
public class WebPartNews : System.Web.UI.WebControls.WebParts.WebPart
{
SPList liste ;
List<SPListItem> items ;
private Label index = new Label();
private Label titre = new Label();
private Label intro = new Label();
private Label contenu = new Label();
private Label urlImage = new Label();
private Label numerotation = new Label();
private Table table = new Table();
private UpdatePanel updatePanel;
private Button btnSuiv = new Button();
private Button btnPrec = new Button();
private LinkButton btnPlus = new LinkButton();
private string js;
public WebPartNews()
{
this.ExportMode = WebPartExportMode.All;
}
protected override void OnPreRender(EventArgs e)
{
base.OnPreRender(e);
HtmlGenericControl css = new HtmlGenericControl("link");
css.Attributes.Add("rel", "stylesheet");
css.Attributes.Add("href", SPContext.Current.Web.Url.ToString() + "/_layouts/WebPartNews/Style.css");
css.Attributes.Add("type", "text/css");
css.Attributes.Add("media", "screen");
css.Attributes.Add("charset", "utf-8");
this.Page.Header.Controls.Add(css);
}
protected override void OnLoad(EventArgs e)
{
this.EnsureChildControls();
}
public void refreshList()
{
liste = SPContext.Current.Web.Lists[Liste];
items = new List<SPListItem>();
foreach (SPListItem item in liste.Items)
{
items.Add(item);
}
index.Text = "0";
titre.Text = getFieldValue(index.Text, "Titre");
intro.Text = getFieldValue(index.Text, "Introduction");
contenu.Text = getFieldValue(index.Text, "Contenu");
urlImage.Text = "<img src='" + getUrlImgValue(index.Text, "Image") + "' alt='" + getUrlImgValue(index.Text, "Image") + "'/>";
numerotation.Text = int.Parse(index.Text) + 1 + " sur " + (items.Count);
}
string valeurChamp(SPListItem item, string colonne)
{
string res = null;
try
{
res = item[colonne].ToString();
}
catch
{
res = "Erreur avec : " + colonne;
}
return res;
}
string url(SPListItem item, string colonne)
{
SPFieldUrlValue value = new SPFieldUrlValue(item[colonne].ToString());
string url = value.Url;
return url;
}
protected override void CreateChildControls()
{
try
{
ScriptManager scriptHandler = ScriptManager.GetCurrent(Page);
if (scriptHandler == null)
{
scriptHandler = new ScriptManager();
}
refreshList();
btnPrec.ID = "refreshPrec";
btnPrec.Text = "Précédent";
btnPrec.Click += new EventHandler(btnPrec_Click);
btnPrec.Visible = false;
btnSuiv.Text = "Suivant";
btnSuiv.ID = "refreshSuiv";
btnSuiv.Click += new EventHandler(btnSuiv_Click);
table.ID = "idTable";
table.CssClass = "tableCss";
btnPlus.Text = "Lire la suite";
btnPlus.ID = this.ID + "voirPlus";
btnPlus.CssClass = "btnVoirPlus";
btnPlus.PostBackUrl = "#";
updatePanel = new UpdatePanel();
updatePanel.ID = "updatePanel";
updatePanel.UpdateMode = UpdatePanelUpdateMode.Conditional;
TableRow tr0 = new TableRow();
TableCell td0 = new TableCell();
TableCell td0a = new TableCell();
TableCell td0b = new TableCell();
TableRow tr1 = new TableRow();
TableCell td1 = new TableCell();
TableCell td2 = new TableCell();
TableRow tr2 = new TableRow();
TableRow tr3 = new TableRow();
TableCell td3 = new TableCell();
TableCell td4 = new TableCell();
td0.Controls.Add(btnPrec);
td0.CssClass = "tdBtnPrec";
td0a.Controls.Add(numerotation);
td0a.CssClass = "tdNumerotation";
td0b.Controls.Add(btnSuiv);
td0b.CssClass = "tdBtnSuiv";
td1.Controls.Add(titre);
td1.ColumnSpan = 2;
td1.CssClass = "tdTitre";
td2.Controls.Add(urlImage);
td2.RowSpan = 3;
td3.Controls.Add(intro);
td3.Controls.Add(btnPlus);
td3.ColumnSpan = 2;
td3.CssClass = "tdIntroLien";
td4.Controls.Add(contenu);
td4.CssClass = "classContenu";
td4.ID = "Contenu";
td4.ColumnSpan = 2;
tr0.Cells.Add(td0);
tr0.Cells.Add(td0a);
tr0.Cells.Add(td0b);
tr1.Cells.Add(td1);
tr1.Cells.Add(td2);
tr2.Cells.Add(td3);
tr3.Cells.Add(td4);
table.Rows.Add(tr0);
table.Rows.Add(tr1);
table.Rows.Add(tr2);
table.Rows.Add(tr3);
updatePanel.ContentTemplateContainer.Controls.Add(table);
updatePanel.ContentTemplateContainer.Controls.Add(index);
//updatePanel.ContentTemplateContainer.Controls[1].Visible = false;
this.Controls.Add(scriptHandler);
this.Controls.Add(updatePanel);
js = string.Format(@"
<script type=""text/javascript"">
$(""#{0}"").hide();
$('#{1}').toggle(function(){{
$('#{0}').show('slow');
$('#{1}').text('{2}');
}},
function()
{{
$('#{0}').hide('slow');
$('#{1}').text('{3}');
}});
$('#{4}').click(function(){{
$('#{5}').fadeOut('slow');
}});
$('#{6}').click(function(){{
$('#{5}').hide('slow');
}});
</script>
",
td4.ClientID,
btnPlus.ClientID,
"Fermer",
"Lire la suite",
btnSuiv.ClientID,
table.ClientID,
btnPrec.ClientID
);
ScriptManager.RegisterStartupScript(updatePanel, updatePanel.GetType(), this.ID+"js", js, false);
}
catch (Exception e)
{
Label l = new Label();
l.Text = "La liste choisie ne correspond pas au type de WebPart";
Controls.Add(l);
}
}
void btnPrec_Click(object sender, EventArgs e)
{
int temp = int.Parse(index.Text);
temp--;
index.Text = temp.ToString();
miseAJour(index.Text);
if (temp < items.Count - 1)
{
btnSuiv.Visible = true;
}
else
{
btnSuiv.Visible = false;
}
if (temp > 0)
{
btnPrec.Visible = true;
}
else
{
btnPrec.Visible = false;
}
}
void btnSuiv_Click(object sender, EventArgs e)
{
int temp = int.Parse(index.Text);
temp++;
index.Text = temp.ToString();
miseAJour(index.Text);
if (temp < items.Count - 1)
{
btnSuiv.Visible = true;
}
else
{
btnSuiv.Visible = false;
}
if (temp > 0)
{
btnPrec.Visible = true;
}
else
{
btnPrec.Visible = false;
}
}
void miseAJour(string index)
{
titre.Text = getFieldValue(index, "Titre");
intro.Text = getFieldValue(index, "Introduction");
contenu.Text = getFieldValue(index, "Contenu");
urlImage.Text = "<img src='" + getUrlImgValue(index, "Image") + "' alt='" + getUrlImgValue(index, "Image") + "'/>";
numerotation.Text = int.Parse(index) + 1 + " sur " + (items.Count);
}
string getFieldValue(string index, string field)
{
string myValue = null;
try
{
myValue = valeurChamp(items[int.Parse(index)], field);
}
catch
{
myValue = null;
}
return myValue;
}
string getUrlImgValue(string index, string field)
{
string myValue = null;
try
{
myValue = url(items[int.Parse(index)], field);
}
catch
{
myValue = null;
}
return myValue;
} |
