#include <string>
#include <stdlib.h>
#include <objgfx40.h>
#include <vContext.h>
#include <sStyle.h>

vContext::vContext(vContext * parent) {
  pContext = parent;
  realView = new ogSurface();
  curX = curY = width = height = 0;
  attached = false;
  return;
} // vContext::vContext

vContext *
vContext::Attach(vContext * context) {
  cContexts.push_back(context);
  return context;
} // vContext::Attach

bool
vContext::DeleteStyle(const std::string styleKey) {
  /*
   * vContext::DeleteStyle()
   * returns true if style existed and was deleted
   * returns false if style didn't exist (or wasn't deleted)
   */

  sStyle * tmpStyle = styles[styleKey];
  styles.erase(styleKey);
  delete tmpStyle;
  return (NULL == tmpStyle) ? false : true;
} // vContext::DeleteStyle

vContext *
vContext::Detach(vContext * context) {
  cContexts.remove(context);
  return context;
} // vContext::Detach

void
vContext::Draw(void) {
  return;
} // vContext::Draw

sStyle *
vContext::GetStyle(const std::string styleKey) {
  /* 
   * GetStyle()
   * retreives a style out of the style map using the styleKey string
   * If no style is present in this node, check the parent
   */
  sStyle * tmpStyle = styles[styleKey];

  if ((NULL == tmpStyle) && (NULL != pContext)) {
    return pContext->GetStyle(styleKey);
  } // if

  return tmpStyle;
} // vContext::GetStyle

void
vContext::SetPos(int32 newX, int32 newY) {
  /*
   * vContext::SetPos()
   * Sets new position relative to parent's upper left corner
   */

  // I really should detach from the parent here
  curX = newX;
  curY = newY;
  // and reattach to parent here
  return;
} // vContext::SetPos

void
vContext::SetSize(uInt32 newWidth, uInt32 newHeight) {
  width = newWidth;
  height = newHeight; 
} // vContext::SetSize

void
vContext::SetStyle(const std::string styleKey, sStyle * style) {
  // I probably should check to see if a style exists before setting it
  
  // if the style is null, then just exit out without setting it 
  if (NULL == style) return;

  // set the new style
  styles[styleKey] = style;
} // vContext::SetStyle

vContext::~vContext(void) {
  delete realView;
  pContext = NULL;
  curX = curY = 0;
  return;
} // vContext::~vContext