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class BookMenu extends UIScriptedMenu
{
protected TextWidget m_author;
protected TextWidget m_title;
protected TextWidget m_page;
protected HtmlWidget m_content;
protected float m_page_height;
protected float m_content_total_height;
protected float m_content_pos;
override Widget Init()
{
layoutRoot = GetGame().GetWorkspace().CreateWidgets("gui/layouts/day_z_book.layout");
Class.CastTo(m_content, layoutRoot.FindAnyWidget("HtmlWidget"));
Class.CastTo(m_author, layoutRoot.FindAnyWidget("Author"));
Class.CastTo(m_title, layoutRoot.FindAnyWidget("Title"));
Class.CastTo(m_page, layoutRoot.FindAnyWidget("Page"));
float width;
m_content.GetScreenSize(width, m_page_height);
return layoutRoot;
}
void ReadBook(InventoryItem book)
{
m_content.LoadFile( book.ConfigGetString("file") );
m_author.SetText( book.ConfigGetString("author") );
m_title.SetText( book.ConfigGetString("title") );
m_content_total_height = m_content.GetContentHeight();
m_content_pos = 0;
NextPrevPage(false);
}
override bool OnClick(Widget w, int x, int y, int button)
{
super.OnClick(w, x, y, button);
switch (w.GetUserID())
{
case IDC_BOOK_VIEWER_PREV:
NextPrevPage(false);
return true;
case IDC_BOOK_VIEWER_NEXT:
NextPrevPage(true);
return true;
case IDC_CANCEL:
Close();
return true;
}
return false;
}
void NextPrevPage(bool next)
{
if (next)
{
m_content_pos = m_content_pos + m_page_height;
}
else
{
m_content_pos = m_content_pos - m_page_height;
}
float maxOffset = 0;
if (m_content_total_height > m_page_height)
{
maxOffset = m_content_total_height - m_page_height;
}
if (m_content_pos < 0)
{
m_content_pos = 0;
}
if (m_content_pos > maxOffset)
{
m_content_pos = maxOffset;
}
m_content.SetContentOffset(m_content_pos, true);
float pagesTotal = Math.Ceil(m_content_total_height / m_page_height);
float currPage = Math.Round(m_content_pos / m_page_height) + 1;
m_page.SetText( currPage.ToString() + " / " + pagesTotal.ToString() );
}
}
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