// ***********************************************************************
//
//  LST_VIEW.CPP
//  List Viewer(s) that display String array(s)
//  revised November 27,1993
//  C.Porter
//  Fixed: widths and positions of elements by Salvador E. Tropea
// ***********************************************************************
#define Uses_stdlib
#define Uses_stdio
#define Uses_string
#define Uses_AllocLocal
#define Uses_TListViewer
#define Uses_TListBox
#define Uses_TEvent
#define Uses_TDialog
#define Uses_TInputLine
#define Uses_TScrollBar
#define Uses_TStaticText
#define Uses_TKeys
#define Uses_TWindow
#define Uses_TView
#define Uses_MsgBox
#include <tv.h>
#include "lst_view.h"

const int cmListKeyEnter		   = 59;
//************************************************************
TListViewBox::TListViewBox( const TRect& bounds,
						  ushort aNumCols,
						  TScrollBar *hScrollBar,
						  TScrollBar *vScrollBar,
						  char *aList[],
						  int aListSize):
	 TListViewer(bounds, aNumCols, hScrollBar, vScrollBar)
{
	strlist = aList; // strlist is a pointer to a pointer				  //	to keep from overflowing the stack
	setRange(aListSize);
	vScrollBar->maxVal = aListSize-1;
}
//************************************************************
TListViewBox::~TListViewBox()
{ }
//************************************************************
void TListViewBox::getText( char *dest, ccIndex item, short maxLen )
{
 strncpy( dest,strlist[item],maxLen ); // strlist is a pointer to a pointer
}
//************************************************************
// List View Box uses evBroadCast to send message back to dialog
// 'this' pointer is used in evBroadcast to let dialog know who sent the
// message. This pointer is used to get text for input line and  later to
// store input line data back into List View Box object.

void TListViewBox::handleEvent(TEvent& event) {

  if ((event.what == evMouseDown) && (event.mouse.doubleClick))
	{ message(owner, evBroadcast, cmListItemSelected, this);
		clearEvent(event);}
  if ((event.what == evKeyDown) && (event.keyDown.keyCode == kbEnter ))
	{ message(owner, evBroadcast, cmListKeyEnter, this);
		clearEvent(event);}

  TListViewer::handleEvent(event);
} // end of TMyListBox::handleEvent()
//************************************************************
// writes data to list
void TListViewBox::putData(void *rec)
{
	strcpy(strlist[focused],((char *)rec));
	draw();
}
//************************************************************
//************************************************************

TListViewDialog::TListViewDialog(const TRect &trect, char *title,
					char *aList[],char *aList2[],int aListSize,int wList)
					: TWindowInit(TDialog::initFrame)
					, TDialog(trect, title) {
  options |= ofCentered;
  int lbwidth=(trect.b.x-trect.a.x)-3-3;
  int lbhite =(trect.b.y-trect.a.y)-2;
  int x1=trect.a.x+3, w1=lbwidth/2;
  int x2=x1+w1,       w2=lbwidth-w1;
  insert (new TStaticText(TRect(x1,1,x1+w1,2)," City "));
  insert (new TStaticText(TRect(x2,1,x2+w2,2)," Zip Code"));
  // create a scroll bar for the list box
  listScroller = new TScrollBar(TRect(x1+lbwidth,trect.a.y+2,
						   x1+lbwidth+1,trect.a.y+lbhite));

  listBox = new TListViewBox(TRect(x1, trect.a.y+2,
		x1+w1, trect.a.y+lbhite),1,0,listScroller,
		aList,aListSize);
  listBox2 = new TListViewBox(TRect(x2, trect.a.y+2,
		x2+w2, trect.a.y+lbhite),1,0,listScroller,
		aList2,aListSize);
  // insert the list box with its scroller into the dialog box
  inputLine = new TInputLine(TRect(x1,3,x1+w1,4),wList);
  inputLineLen = wList;
  inputLine->hide(); //hide input line
  itemNumber = new TInputLine(TRect(x1,lbhite,x1+w1,lbhite+1),wList);
  itemNumber->options &= (!ofSelectable); // used to hold current line number
  insert(listBox);
  insert(listBox2);
  insert(listScroller);
  insert(inputLine);
  insert(itemNumber);
} // end of MyDialogBox::MyDialogBox()
//*****************************************************************
// a single mouse click is not cleared by List View Box, Dialog uses it
// to erase inputline if user clicks off of it .
void TListViewDialog::handleEvent(TEvent &event) {
   AllocLocalStr(b,inputLineLen);

	switch(event.what)
	{
	  case evMouseDown:  // clears input line
			if (inputLine->state&sfSelected) {
				inputLine->hide();
			}
			break;
	  case evKeyDown:
		  switch(event.keyDown.keyCode)
		  {
		  case kbEsc:  // clears input line
			if (inputLine->state&sfSelected) {
				inputLine->hide();
				clearEvent(event);
			}
			break;
		  case kbEnter: // saves input line to list box using listBoxPtr
			if (inputLine->state&sfSelected) {
				listBoxPtr->putData( (void *)inputLine->getData() );
				inputLine->hide();
				clearEvent(event);
			}
			break;
	  }
	 case evBroadcast: // from List Boxes, infoPtr points to orginator
	   switch (event.message.command)
	   {
		case cmListItemSelected: // if input line is already showing, hide it
			if (inputLine->state&sfSelected) {
				inputLine->hide();
				clearEvent(event);
			}
			else {  // show empty input line
				int mouseLocY =((TListViewBox *)event.message.infoPtr)->cursor.y ;
				int mouseLocX =((TListViewBox *)event.message.infoPtr)->origin.x ;
				listBoxPtr =(TListViewBox *)event.message.infoPtr;
				inputLine->moveTo(mouseLocX, mouseLocY+2);
				inputLine->setDataFromStr( (void *)"        " );
				inputLine->show();
				clearEvent(event);
			}
			break;
		case cmListKeyEnter: // enter key pressed in list box, copy data to inputline
			int mouseLocY =((TListViewBox *)event.message.infoPtr)->cursor.y ;
			int mouseLocX =((TListViewBox *)event.message.infoPtr)->origin.x ;
			listBoxPtr =(TListViewBox *)event.message.infoPtr;
			inputLine->moveTo(mouseLocX, mouseLocY+2);
			listBoxPtr->getText( b,listBoxPtr->focused,inputLineLen );
			inputLine->setDataFromStr( b );
			inputLine->show();
			clearEvent(event);
			break;
	   }
	}
	// Let TDialog handler do it's thing with any remaining events.
	TDialog::handleEvent(event);
	sprintf(b,"%d",listBox->focused);
	itemNumber->setDataFromStr( b );
	itemNumber->draw();
} // end of MyDialogBox::eventHandler()