WebInfoControl.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;
using be.gaudry.model;
 
namespace be.gaudry.bibliobrol.view.controls.webInfo
{
    public partial class WebInfoControl : UserControl
    {
        private String uriFormat;
        private bool uriEncodeParam;
        public WebInfoControl()
        {
            InitializeComponent();
        }
 
        public String UriFormat
        {
            get { return this.uriFormat; }
            set { this.uriFormat = value; }
        }
 
        public bool UriEncodeParam
        {
            get { return this.uriEncodeParam; }
            set { this.uriEncodeParam = value; }
        }
 
        public void setUriParam (String param)
        { 
            queryTB.Text = param.ToLowerInvariant(); 
        }
 
 
        private void goBtn_Click(object sender, EventArgs e)
        {
            String url = String.Format(uriFormat,
                (uriEncodeParam) ? Uri.EscapeDataString(queryTB.Text) : queryTB.Text);
            if (checkUrl(url))
                webBrowser.Navigate(url);
        }
        private void showWebBrowser(bool show, String text)
        {
            infoLbl.Text = text;
            webPanel.Visible = show;
            infoLbl.Visible = !show;
        }
        private bool checkUrl(String url)
        {
            if (!WebHelper.isConnected())
            {
                showWebBrowser(false,"Impossible de se connecter à Internet.");
                return false;
            }
            if (String.Empty.Equals(url))
            {
                showWebBrowser(false,"");
                return false;
            }
            if (!WebHelper.testUrl(url))
            {
                showWebBrowser(false, "Impossible de charger le document demandé.");
                return false;
            }
            showWebBrowser(true, "");
            return true;
        }
 
        private void queryTB_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (e.KeyChar == (char)Keys.Return)
            {
                e.Handled = true;
                goBtn_Click(sender, new EventArgs());
            }
        }
    }
 
 
}