//+----------------------------------------------------------------------------+
//| Description:  Magic Set Editor - Program to make Magic (tm) cards          |
//| Copyright:    (C) 2001 - 2006 Twan van Laarhoven                           |
//| License:      GNU General Public License 2 or later (see file COPYING)     |
//+----------------------------------------------------------------------------+

// ----------------------------------------------------------------------------- : Includes

#include <gui/control/native_look_editor.hpp>
#include <gui/value/editor.hpp>
#include <gui/util.hpp>
#include <data/stylesheet.hpp>

DECLARE_TYPEOF_COLLECTION(ValueViewerP);
DECLARE_TYPEOF_NO_REV(IndexMap<FieldP COMMA StyleP>);

// ----------------------------------------------------------------------------- : NativeLookEditor

NativeLookEditor::NativeLookEditor(Window* parent, int id, long style)
	: DataEditor(parent, id, style)
{}

Rotation NativeLookEditor::getRotation() const {
	int dx = GetScrollPos(wxHORIZONTAL), dy = GetScrollPos(wxVERTICAL);
	return Rotation(0, RealRect(RealPoint(-dx,-dy),GetClientSize()));
}

void NativeLookEditor::draw(DC& dc) {
	RotatedDC rdc(dc, getRotation(), false);
	DataViewer::draw(rdc, wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
}
void NativeLookEditor::drawViewer(RotatedDC& dc, ValueViewer& v) {
	if (!shouldDraw(v)) return;
	ValueEditor* e = v.getEditor();
	if (!e || e->drawLabel()) {
		// draw background
		Style& s = *v.getStyle();
		dc.SetPen(*wxTRANSPARENT_PEN);
		dc.SetBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
		dc.DrawRectangle(s.getRect().grow(1));
		// draw label
		dc.SetFont(*wxNORMAL_FONT);
		// TODO : tr using stylesheet or using game?
		dc.DrawText(tr(*set->game, s.fieldP->name, capitalize_sentence(s.fieldP->name)),
					RealPoint(margin_left, s.top + 1));
		// draw 3D border
		draw_control_border(this, dc.getDC(), dc.tr(RealRect(s.left - 1, s.top - 1, s.width + 2, s.height + 2)));
	}
	// draw viewer
	v.draw(dc);
}

void NativeLookEditor::resizeViewers() {
	// size stuff
	double y = margin;
	int w, h;
	GetClientSize(&w, &h);
	const int default_height = 17;
	// Set editor sizes
	FOR_EACH(v, viewers) {
		StyleP s = v->getStyle();
		ValueEditor* e = v->getEditor();
		if (!e || e->drawLabel()) {
			s->left = margin + label_width;
		} else {
			s->left = margin;
		}
		s->top  = y;
		s->width  = w - s->left - margin;
		s->height = default_height;
		if (e) e->determineSize();
		y += s->height + vspace;
	}
	SetVirtualSize(w,y);
	SetScrollbar(wxVERTICAL, 0, h, y);
	if (y >= h) {
		// Doesn't fit vertically, add scrollbar and resize
		/*
		y = margin;
		FOR_EACH(v, viewers) {
			StyleP s = v->getStyle();
			ValueEditor* e = v->getEditor();
			s->top  = y;
			s->width = s->width - wxSystemSettings::GetMetric(wxSYS_VSCROLL_X, this);
			if (e) e->determineSize();
			y += s->height + vspace;
		}
		*/
		// create scrollbar
	}
}

void NativeLookEditor::onInit() {
	// Give viewers a chance to show/hide controls (scrollbar) when selecting other editors
	FOR_EACH_EDITOR {
		e->onShow(true);
	}
	resizeViewers();
}

wxSize NativeLookEditor::DoGetBestSize() const {
	return wxSize(200, 200);
}
void NativeLookEditor::onSize(wxSizeEvent& ev) {
	resizeViewers();
	Refresh(false);
}
void NativeLookEditor::onScroll(wxScrollWinEvent& ev) {
	if (ev.GetOrientation() == wxVERTICAL) {
		int y      = GetScrollPos(wxVERTICAL);
		int page   = GetClientSize().y;  // view size
		// determine new y offset
		// NOTE: can't use case, these are not constants
		if        (ev.GetEventType() == wxEVT_SCROLLWIN_TOP) {
			y = 0;
		} else if (ev.GetEventType() == wxEVT_SCROLLWIN_BOTTOM) {
			y = numeric_limits<int>::max();
		} else if (ev.GetEventType() == wxEVT_SCROLLWIN_LINEUP) {
			y = y - 10;
		} else if (ev.GetEventType() == wxEVT_SCROLLWIN_LINEDOWN) {
			y = y + 10;
		} else if (ev.GetEventType() == wxEVT_SCROLLWIN_PAGEUP) {
			y = y - page;
		} else if (ev.GetEventType() == wxEVT_SCROLLWIN_PAGEDOWN) {
			y = y + page;
		} else if (ev.GetEventType() == wxEVT_SCROLLWIN_THUMBTRACK || 
		    ev.GetEventType() == wxEVT_SCROLLWIN_THUMBRELEASE) {
			y = ev.GetPosition();
		}
		scrollTo(wxVERTICAL, y);
	}
}
void NativeLookEditor::onMouseWheel(wxMouseEvent& ev) {
	// send scroll event to field under cursor
	RealPoint pos = mousePoint(ev);
	FOR_EACH_EDITOR_REVERSE { // find high z index fields first
		if (v->containsPoint(pos) && v->getField()->editable) {
			bool scrolled = e->onMouseWheel(mousePoint(ev), ev);
			if (scrolled) return;
			break;
		}
	}
	// scroll entire window
	int toScroll = 10 * ev.GetWheelRotation() * ev.GetLinesPerAction() / ev.GetWheelDelta(); // note: up is positive
	int y = GetScrollPos(wxVERTICAL);
	scrollTo(wxVERTICAL, y - toScroll);
}

void NativeLookEditor::scrollTo(int direction, int pos) {
	if (direction == wxVERTICAL) {
		int y      = GetScrollPos(wxVERTICAL);
		int height = GetVirtualSize().y; // height
		int page   = GetClientSize().y;  // view size
		int bottom = max(0, height - page);
		pos = max(0, min(bottom, pos));
		if (pos != y) {
			SetScrollPos(wxVERTICAL, pos);
			// move child controls
			FOR_EACH(v, viewers) {
				ValueEditor* e = v->getEditor();
				if (e) e->determineSize();
			}
			// redraw
			onChange();
		}
	}
}

BEGIN_EVENT_TABLE(NativeLookEditor, DataEditor)
	EVT_SIZE        (NativeLookEditor::onSize)
	EVT_SCROLLWIN   (NativeLookEditor::onScroll)
	EVT_MOUSEWHEEL  (NativeLookEditor::onMouseWheel)
END_EVENT_TABLE()


// ----------------------------------------------------------------------------- : SetInfoEditor

SetInfoEditor::SetInfoEditor(Window* parent, int id, long style)
	: NativeLookEditor(parent, id, style)
{}

void SetInfoEditor::onChangeSet() {
	setStyles(set->stylesheet, set->stylesheet->set_info_style);
	setData(set->data);
}

// ----------------------------------------------------------------------------- : StylingEditor

StylingEditor::StylingEditor(Window* parent, int id, long style)
	: NativeLookEditor(parent, id, style)
{}

void StylingEditor::showStylesheet(const StyleSheetP& stylesheet) {
	this->stylesheet = stylesheet;
	setStyles(set->stylesheet, stylesheet->styling_style);
	setData(set->stylingDataFor(*stylesheet));
}

void StylingEditor::onChangeSet() {
	showStylesheet(set->stylesheet);
}
