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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
using System.ComponentModel;
using System.Collections.ObjectModel;
namespace gsview
{
public partial class PageExtractSave : Window
{
public List<SelectPage> Pages;
SelectPage selectedpage = null;
int dropafterposition;
bool putattop = false;
/* Callback to Main */
internal delegate void ExtractCallBackMain(object gsObject);
internal event ExtractCallBackMain ExtractMain;
public PageExtractSave(int num_pages)
{
InitializeComponent();
Pages = new List<SelectPage>();
SetPageList(num_pages);
xaml_PageList.ItemsSource = Pages;
}
private void AllPages(object sender, RoutedEventArgs e)
{
xaml_PageList.SelectAll();
}
public void SetPageList(int num_pages)
{
for (int k = 1; k < num_pages + 1; k++)
{
SelectPage Spage = new SelectPage();
Spage.Page = k;
Spage.PageString = k;
Pages.Add(Spage);
}
}
private void EvenPages(object sender, RoutedEventArgs e)
{
/* First check if any are selected */
var item = xaml_PageList.SelectedItem;
/* If none are selected then get all the evens. otherwise just get
* all the evens of the pages that have been selected */
if (item == null)
{
/* Turn on the evens */
for (int kk = 1; kk < Pages.Count; kk = kk + 2)
(xaml_PageList.ItemContainerGenerator.ContainerFromIndex(kk) as ListViewItem).IsSelected = true;
}
else
{
/* Turn off any odds */
for (int kk = 0; kk < Pages.Count; kk = kk + 2)
(xaml_PageList.ItemContainerGenerator.ContainerFromIndex(kk) as ListViewItem).IsSelected = false;
}
}
private void OddPages(object sender, RoutedEventArgs e)
{
/* First check if any are selected */
var item = xaml_PageList.SelectedItem;
/* If none are selected then get all the odds. otherwise just get
all the odds of the pages that have been selected */
if (item == null)
{
/* Turn on the odds */
for (int kk = 0; kk < Pages.Count; kk = kk + 2)
(xaml_PageList.ItemContainerGenerator.ContainerFromIndex(kk) as ListViewItem).IsSelected = true;
}
else
{
/* Turn off any evens */
for (int kk = 1; kk < Pages.Count; kk = kk + 2)
(xaml_PageList.ItemContainerGenerator.ContainerFromIndex(kk) as ListViewItem).IsSelected = false;
}
}
private void ExtractPages(object sender, RoutedEventArgs e)
{
ExtractMain(this);
}
private void ExtractLeftButtonDown(object sender, MouseButtonEventArgs e)
{
int index = GetCurrentIndex();
if (index > -1 && index < Pages.Count)
selectedpage = Pages[index];
}
private void ExtractLeftButtonUp(object sender, MouseButtonEventArgs e)
{
/* Check if we have something selected */
if (selectedpage == null)
{
Cursor = Cursors.Arrow;
return;
}
Point posit = e.GetPosition(xaml_PageList);
dropafterposition = GetCurrentIndex();
putattop = false;
if (dropafterposition < 0)
{
/* Check if we are above or below */
if (posit.Y < 0)
putattop = true;
else
dropafterposition = xaml_PageList.Items.Count - 1;
}
Cursor = Cursors.Arrow;
MoveItem();
selectedpage = null;
}
private void MoveItem()
{
if (putattop)
{
Pages.Remove(selectedpage);
Pages.Insert(0, selectedpage);
}
else
{
Pages.Remove(selectedpage);
Pages.Insert(dropafterposition, selectedpage);
}
xaml_PageList.Items.Refresh();
}
private void ExtractMouseMove(object sender, MouseEventArgs e)
{
if (Mouse.LeftButton == MouseButtonState.Pressed)
Cursor = Cursors.Hand;
}
private void ExtractMouseLeave(object sender, MouseEventArgs e)
{
Cursor = Cursors.Arrow;
}
private void RightButtonDown(object sender, MouseButtonEventArgs e)
{
var contextmenu = new System.Windows.Controls.ContextMenu();
this.ContextMenu = contextmenu;
var m1 = new System.Windows.Controls.MenuItem();
m1.Header = "Delete";
m1.Click += cntxDeleteItem;
contextmenu.Items.Add(m1);
}
/* Delete all selected items */
private void cntxDeleteItem(object sender, RoutedEventArgs e)
{
/* Go backwards */
var temp = xaml_PageList.SelectedItems;
int max = temp.Count; ;
for (int i = 0; i < max; i++)
{
var item = temp[i];
Pages.Remove((SelectPage)item);
}
xaml_PageList.Items.Refresh();
}
int GetCurrentIndex()
{
int index = -1;
for (int i = 0; i < this.xaml_PageList.Items.Count; ++i)
{
ListViewItem item = GetListViewItem(i);
if (item.IsMouseOver)
{
index = i;
break;
}
}
return index;
}
ListViewItem GetListViewItem(int index)
{
if (this.xaml_PageList.ItemContainerGenerator.Status !=
System.Windows.Controls.Primitives.GeneratorStatus.ContainersGenerated)
return null;
return this.xaml_PageList.ItemContainerGenerator.ContainerFromIndex(index) as ListViewItem;
}
private void Reverse(object sender, RoutedEventArgs e)
{
Pages.Reverse();
xaml_PageList.Items.Refresh();
}
}
}
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