/**
* Update coordinates
*
* @access private
*/
function _updateCoords()
{
if (is_array($this->_elements)) {
$keys = array_keys($this->_elements);
foreach ($keys as $key) {
$element =& $this->_elements[$key];
if (is_a($element, 'Image_Graph_Plot')) {
if ((is_a($element, 'Image_Graph_Plot_Bar') || is_a($element, 'Image_Graph_Plot_Step') || is_a($element, 'Image_Graph_Plot_Dot') || is_a($element, 'Image_Graph_Plot_CandleStick') || is_a($element, 'Image_Graph_Plot_BoxWhisker') || is_a($element, 'Image_Graph_Plot_Impulse')) && $this->_axisX != null) {
$this->_axisX->_pushValues();
}
$this->_setExtrema($element);
}
}
unset($keys);
}
$this->_calcEdges();
$pctWidth = (int) ($this->width() * 0.05);
$pctHeight = (int) ($this->height() * 0.05);
$left = $this->_left + $this->_padding;
$top = $this->_top + $this->_padding;
$right = $this->_right - $this->_padding;
$bottom = $this->_bottom - $this->_padding;
// temporary place holder for axis point calculations
$axisPoints['x'] = array($left, $top, $right, $bottom);
$axisPoints['y'] = $axisPoints['x'];
$axisPoints['y2'] = $axisPoints['x'];
if ($this->_axisX !== null) {
$intersectX = $this->_axisX->_getAxisIntersection();
$sizeX = $this->_axisX->_size();
$this->_axisX->_setCoords($left, $top, $right, $bottom);
$this->_axisX->_updateCoords();
}
if ($this->_axisY !== null) {
$intersectY = $this->_axisY->_getAxisIntersection();
$sizeY = $this->_axisY->_size();
$this->_axisY->_setCoords($left, $top, $right, $bottom);
$this->_axisY->_updateCoords();
}
if ($this->_axisYSecondary !== null) {
$intersectYsec = $this->_axisYSecondary->_getAxisIntersection();
$sizeYsec = $this->_axisYSecondary->_size();
$this->_axisYSecondary->_setCoords($left, $top, $right, $bottom);
$this->_axisYSecondary->_updateCoords();
}
$axisCoordAdd = array('left' => 0, 'right' => 0, 'top' => 0, 'bottom' => 0);
if ($this->_axisY != null) {
if ($this->_axisX != null) {
$pos = $this->_axisX->_intersectPoint($intersectY['value']);
} else {
$pos = $this->_horizontal ? $bottom : $left;
}
if ($this->_horizontal) {
if ($pos + $sizeY > $bottom) {
$axisCoordAdd['bottom'] = $pos + $sizeY - $bottom;
// the y-axis position needs to be recalculated!
} else {
// top & bottom may need to be adjusted when the x-axis has been
// calculated!
$this->_axisY->_setCoords($left, $pos, $right, $pos + $sizeY);
$this->_axisY->_updateCoords();
}
} else {
if ($pos - $sizeY < $left) {
$axisCoordAdd['left'] = $left - ($pos - $sizeY);
// the y-axis position needs to be recalculated!
} else {
// top & bottom may need to be adjusted when the x-axis has been
// calculated!
$this->_axisY->_setCoords($pos - $sizeY, $top, $pos, $bottom);
$this->_axisY->_updateCoords();
}
}
}
if ($this->_axisYSecondary != null) {
if ($this->_axisX != null) {
$pos = $this->_axisX->_intersectPoint($intersectYsec['value']);
} else {
$pos = $this->_horizontal ? $top : $right;
}
if ($this->_horizontal) {
if ($pos - $sizeYsec < $top) {
$axisCoordAdd['top'] = $top - ($pos - $sizeYsec);
// the secondary y-axis position need to be recalculated
} else {
// top & bottom may need to be adjusted when the x-axis has been
// calculated!
$this->_axisYSecondary->_setCoords($left, $pos - $sizeY, $right, $pos);
$this->_axisYSecondary->_updateCoords();
}
} else {
if ($pos + $sizeYsec > $right) {
$axisCoordAdd['right'] = $pos + $sizeYsec - $right;
// the secondary y-axis position need to be recalculated
} else {
// top & bottom may need to be adjusted when the x-axis has been
// calculated!
$this->_axisYSecondary->_setCoords($pos, $top, $pos + $sizeY, $bottom);
$this->_axisYSecondary->_updateCoords();
}
}
}
if ($this->_axisX != null) {
if ($intersectX['axis'] == IMAGE_GRAPH_AXIS_Y_SECONDARY && $this->_axisYSecondary !== null) {
$axis =& $this->_axisYSecondary;
} elseif ($this->_axisY !== null) {
$axis =& $this->_axisY;
} else {
$axis = false;
}
if ($axis !== false) {
$pos = $axis->_intersectPoint($intersectX['value']);
} else {
$pos = $this->_horizontal ? $left : $bottom;
}
if ($this->_horizontal) {
if ($pos - $sizeX < $left) {
$axisCoordAdd['left'] = $left - ($pos - $sizeX);
$pos = $left + $sizeX;
}
$this->_axisX->_setCoords($pos - $sizeX, $top + $axisCoordAdd['top'], $pos, $bottom - $axisCoordAdd['bottom']);
$this->_axisX->_updateCoords();
} else {
if ($pos + $sizeX > $bottom) {
$axisCoordAdd['bottom'] = $pos + $sizeX - $bottom;
$pos = $bottom - $sizeX;
}
$this->_axisX->_setCoords($left + $axisCoordAdd['left'], $pos, $right - $axisCoordAdd['right'], $pos + $sizeX);
$this->_axisX->_updateCoords();
}
}
if ($this->_horizontal) {
if ($this->_axisX !== null && ($axisCoordAdd['top'] != 0 || $axisCoordAdd['bottom'] != 0)) {
// readjust y-axis for better estimate of position
if ($this->_axisY !== null) {
$pos = $this->_axisX->_intersectPoint($intersectY['value']);
$this->_axisY->_setCoords(false, $pos, false, $pos + $sizeY);
$this->_axisY->_updateCoords();
}
if ($this->_axisYSecondary !== null) {
$pos = $this->_axisX->_intersectPoint($intersectYsec['value']);
$this->_axisYSecondary->_setCoords(false, $pos - $sizeYsec, false, $pos);
$this->_axisYSecondary->_updateCoords();
}
}
// adjust top and bottom of y-axis
if ($this->_axisY !== null) {
$this->_axisY->_setCoords($left + $axisCoordAdd['left'], false, $right - $axisCoordAdd['right'], false);
$this->_axisY->_updateCoords();
}
// adjust top and bottom of y-axis
if ($this->_axisYSecondary !== null) {
$this->_axisYSecondary->_setCoords($left + $axisCoordAdd['left'], false, $right - $axisCoordAdd['right'], false);
$this->_axisYSecondary->_updateCoords();
}
if ($this->_axisX !== null) {
$this->_plotTop = $this->_axisX->_top;
$this->_plotBottom = $this->_axisX->_bottom;
} else {
$this->_plotTop = $top;
$this->_plotBottom = $bottom;
}
if ($this->_axisY !== null) {
$this->_plotLeft = $this->_axisY->_left;
$this->_plotRight = $this->_axisY->_right;
} elseif ($this->_axisYSecondary !== null) {
$this->_plotLeft = $this->_axisYSecondary->_left;
$this->_plotRight = $this->_axisYSecondary->_right;
} else {
$this->_plotLeft = $this->_left;
$this->_plotRight = $this->_right;
}
} else {
if ($this->_axisX !== null && ($axisCoordAdd['left'] != 0 || $axisCoordAdd['right'] != 0)) {
// readjust y-axis for better estimate of position
if ($this->_axisY !== null) {
$pos = $this->_axisX->_intersectPoint($intersectY['value']);
$this->_axisY->_setCoords($pos - $sizeY, false, $pos, false);
$this->_axisY->_updateCoords();
}
if ($this->_axisYSecondary !== null) {
$pos = $this->_axisX->_intersectPoint($intersectYsec['value']);
$this->_axisYSecondary->_setCoords($pos, false, $pos + $sizeYsec, false);
$this->_axisYSecondary->_updateCoords();
}
}
// adjust top and bottom of y-axis
if ($this->_axisY !== null) {
$this->_axisY->_setCoords(false, $top + $axisCoordAdd['top'], false, $bottom - $axisCoordAdd['bottom']);
$this->_axisY->_updateCoords();
}
// adjust top and bottom of y-axis
if ($this->_axisYSecondary !== null) {
$this->_axisYSecondary->_setCoords(false, $top + $axisCoordAdd['top'], false, $bottom - $axisCoordAdd['bottom']);
$this->_axisYSecondary->_updateCoords();
}
if ($this->_axisX !== null) {
$this->_plotLeft = $this->_axisX->_left;
$this->_plotRight = $this->_axisX->_right;
} else {
$this->_plotLeft = $left;
$this->_plotRight = $right;
}
if ($this->_axisY !== null) {
$this->_plotTop = $this->_axisY->_top;
$this->_plotBottom = $this->_axisY->_bottom;
} elseif ($this->_axisYSecondary !== null) {
$this->_plotTop = $this->_axisYSecondary->_top;
$this->_plotBottom = $this->_axisYSecondary->_bottom;
} else {
$this->_plotTop = $this->_top;
$this->_plotBottom = $this->_bottom;
}
}
Image_Graph_Element::_updateCoords();
/*
if ($this->_axisX != null) {
$this->_axisX->_updateCoords();
}
if ($this->_axisY != null) {
$this->_axisY->_updateCoords();
}
if ($this->_axisYSecondary != null) {
$this->_axisYSecondary->_updateCoords();
}*/
}
