/// <summary>
/// 搜索
/// </summary>
private void Search(object sender, RoutedEventArgs e)
{
var db = App.conn;
ViewModel = new ViewModels.ListItemViewModel();
string content = searchBox.Text.Trim();
if (content != "")
{
string searchSQL = @"SELECT * FROM Items WHERE Title LIKE '%" + content + "%' " +
"OR Details LIKE '%" + content + "%' " +
"OR Date LIKE '%" + content + "%'";
using (var statement = db.Prepare(searchSQL)) {
while (SQLiteResult.DONE != statement.Step())
{
string tid = statement[0].ToString();
string ttitle = statement[1].ToString();
string tdetails = statement[2].ToString();
string ddate = statement[3].ToString();
string ttag = statement[4].ToString();
DateTime ddateconvert = Convert.ToDateTime(ddate);
ViewModel.AddListItem(ttitle, tdetails, ttag, ddateconvert);
}
}
Frame root = Window.Current.Content as Frame;
App.ViewModel = ViewModel;
root.Navigate(typeof(MainPage));
}
}
private void Tags_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
var db = App.conn;
ViewModel = new ViewModels.ListItemViewModel();
if (Tags.SelectedValue.ToString() != "全部")
{
string searchSQL = @"SELECT * FROM Items WHERE Tag = '" + Tags.SelectedValue.ToString() + "'";
using (var statement = db.Prepare(searchSQL))
{
while (SQLiteResult.DONE != statement.Step())
{
string tid = statement[0].ToString();
string ttitle = statement[1].ToString();
string tdetails = statement[2].ToString();
string ddate = statement[3].ToString();
string ttag = statement[4].ToString();
DateTime ddateconvert = Convert.ToDateTime(ddate);
ViewModel.AddListItem(ttitle, tdetails, ttag, ddateconvert);
}
}
}
else
{
using (var statement = App.conn.Prepare("select * from Items"))
{
while (statement.Step() != SQLiteResult.DONE)
{
string tid = statement[0].ToString();
string ttitle = statement[1].ToString();
string tdetails = statement[2].ToString();
string ddate = statement[3].ToString();
string ttag = statement[4].ToString();
DateTime ddateconvert = Convert.ToDateTime(ddate);
ViewModel.AddListItem(ttitle, tdetails, ttag, ddateconvert);
}
}
}
Frame root = Window.Current.Content as Frame;
App.ViewModel = ViewModel;
root.Navigate(typeof(MainPage));
}
public MainPage()
{
var db = App.conn;
using (var statement = db.Prepare("SELECT * FROM Tags"))
{
while (SQLiteResult.DONE != statement.Step())
{
tags.Add((string)statement[0]);
}
}
tags.Add("全部");
if (App.ViewModel != null)
{
ViewModel = App.ViewModel;
App.ViewModel = null;
}
else
{
ViewModel = new ViewModels.ListItemViewModel();
using (var statement = App.conn.Prepare("select * from Items"))
{
while (statement.Step() != SQLiteResult.DONE)
{
string tid = statement[0].ToString();
string ttitle = statement[1].ToString();
string tdetails = statement[2].ToString();
string ddate = statement[3].ToString();
string ttag = statement[4].ToString();
DateTime ddateconvert = Convert.ToDateTime(ddate);
ViewModel.AddListItem(ttitle, tdetails, ttag, ddateconvert);
}
}
}
this.InitializeComponent();
}
