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//////////////////////////////////////////////////////////////////////////
//
// pgAdmin III - PostgreSQL Tools
//
// Copyright (C) 2002 - 2014, The pgAdmin Development Team
// This software is released under the PostgreSQL Licence
//
// ddScrollBarHandle.cpp - A handle for a table figure that allow to scroll it when table is not in full size
//
//////////////////////////////////////////////////////////////////////////
#include "pgAdmin3.h"
// wxWindows headers
#include <wx/wx.h>
// App headers
#include "dd/dditems/handles/ddScrollBarHandle.h"
#include "hotdraw/utilities/hdPoint.h"
#include "hotdraw/main/hdDrawingView.h"
#include "hotdraw/utilities/hdGeometry.h"
//Images
#include "images/ddUp.pngc"
#include "images/ddDown.pngc"
ddScrollBarHandle::ddScrollBarHandle(ddTableFigure *owner, hdILocator *scrollBarLocator , wxSize &size):
hdLocatorHandle(owner, scrollBarLocator)
{
table = owner;
scrollLocator = scrollBarLocator;
displayBox.SetSize(size);
upBitmap = wxBitmap(*ddUp_png_img);
downBitmap = wxBitmap(*ddDown_png_img);
}
ddScrollBarHandle::~ddScrollBarHandle()
{
}
wxCursor ddScrollBarHandle::createCursor()
{
return wxCursor(wxCURSOR_HAND);
}
//avoid to use inflate on this handle
hdRect &ddScrollBarHandle::getDisplayBox(int posIdx)
{
hdPoint p = locate(posIdx);
displayBox.width = 11; //as defined at locator
displayBox.height = table->getColsSpace().height;
displayBox.SetPosition(p);
return displayBox;
}
void ddScrollBarHandle::draw(wxBufferedDC &context, hdDrawingView *view)
{
int idx = view->getIdx();
context.SetBrush(*wxWHITE_BRUSH);
wxPoint copy = getDisplayBox(idx).GetPosition();
view->CalcScrolledPosition(copy.x, copy.y, ©.x, ©.y);
context.DrawRectangle(copy.x, copy.y, getDisplayBox(idx).width, getDisplayBox(idx).height);
context.DrawBitmap(upBitmap, copy.x + 1, copy.y + 2, true);
context.DrawBitmap(downBitmap, copy.x + 1, copy.y + getDisplayBox(idx).height - 2 - downBitmap.GetHeight(), true);
barSize.SetHeight((getDisplayBox(idx).height - 12) * 0.45);
barSize.SetWidth(getDisplayBox(idx).width - 4);
int divBy = (table->getTotalColumns() - table->getColumnsWindow());
if(divBy <= 0)
divBy = table->getColumnsWindow();
int colOffset = barSize.GetHeight() / divBy;
int verticalPosBar = 3 + copy.y + downBitmap.GetHeight() + colOffset * table->getTopColWindowIndex();
if(table->getColumnsWindow() > 1)
context.DrawRectangle(wxPoint(copy.x + 2, verticalPosBar), barSize);
}
void ddScrollBarHandle::invokeStart(hdMouseEvent &event, hdDrawingView *view)
{
int idx = view->getIdx();
int y = event.GetPosition().y;
anchorY = y;
if( (y > (getDisplayBox(idx).GetPosition().y + 2)) && (y < (getDisplayBox(idx).GetPosition().y + 2 + 6)) ) //6 image height
table->columnsWindowUp(idx);
if( (y > (getDisplayBox(idx).GetPosition().y + getDisplayBox(idx).height - 2 - downBitmap.GetHeight()) ) && (y < (getDisplayBox(idx).GetPosition().y + getDisplayBox(idx).height - 2) ) )
table->columnsWindowDown(idx);
view->notifyChanged();
}
void ddScrollBarHandle::invokeStep(hdMouseEvent &event, hdDrawingView *view)
{
int y = event.GetPosition().y;
int divBy = (table->getTotalColumns() - table->getColumnsWindow());
if(divBy <= 0)
divBy = table->getColumnsWindow();
int colOffset = barSize.GetHeight() / divBy;
hdGeometry g;
if ( g.ddabs(anchorY - y) > colOffset)
{
if((anchorY - y) > 0)
{
table->columnsWindowUp(view->getIdx());
}
else
{
table->columnsWindowDown(view->getIdx());
}
anchorY = y;
}
view->notifyChanged();
}
void ddScrollBarHandle::invokeEnd(hdMouseEvent &event, hdDrawingView *view)
{
}
hdPoint &ddScrollBarHandle::locate(int posIdx)
{
if(scrollLocator)
{
pointLocate = scrollLocator->locate(posIdx, getOwner());
return pointLocate;
}
else
pointLocate = hdPoint(0, 0);
return pointLocate;
}
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