$axis_size = $this->parameter['axis_size'];
$axis_colour = $this->parameter['axis_colour'];
$axis_angle = $this->parameter['y_axis_angle'];
- $y_tick_labels = $this->y_tick_labels;
+ $y_tick_labels = $this->parameter['y_tick_labels'];
$this->calculated['y_axis_left']['has_data'] = FALSE;
$this->calculated['y_axis_right']['has_data'] = FALSE;
//$this->dbug("x=$x, y0=$y0, y1=$y1 watchdog=$watchdog");
$this->draw_brush($x, $y0, $size, $type, $colour);
+<<<<<<< graphlib.php
+ if (isset($this->y_format[$set]['y_axis']) && $this->y_format[$set]['y_axis'] == 'right') {
+ $this->calculated['y_plot'][$set][$index] =
+ round(($this->y_data[$set][$index] - $this->calculated['y_axis_right']['min'])
+ * $this->calculated['y_axis_right']['factor']);
+ } else {
+ //print "$set $index<br />";
+ $this->calculated['y_plot'][$set][$index] =
+ round(($this->y_data[$set][$index] - $this->calculated['y_axis_left']['min'])
+ * $this->calculated['y_axis_left']['factor']);
+ }
+
+ }
+ }
+ }
+ //print "factor ".$this->calculated['x_axis']['factor']."<br />";
+ //expand_pre($this->calculated['x_plot']);
+
+ // calculate bar parameters if bars are to be drawn.
+ if ($this->calculated['num_bars']) {
+ $xStep = $this->calculated['x_axis']['step'];
+ $totalWidth = $this->calculated['x_axis']['step'] - $this->parameter['bar_spacing'];
+ $barWidth = $totalWidth / $this->calculated['num_bars'];
+
+ $barX = ($barWidth - $totalWidth) / 2; // starting x offset
+ for ($i=0; $i < $this->calculated['num_bars']; $i++) {
+ $this->calculated['bar_offset_x'][$i] = $barX;
+ $barX += $barWidth; // add width of bar to x offset.
+ }
+ $this->calculated['bar_width'] = $barWidth;
+ }
+
+
+}
+
+function init_x_ticks() {
+ // get coords for x axis ticks and data plots
+ //$xGrid = $this->parameter['x_grid'];
+ $xStep = $this->calculated['x_axis']['step'];
+ $ticksOffset = $this->parameter['x_offset']; // where to start drawing ticks relative to y axis.
+ $gridLeft = $this->calculated['boundary_box']['left'] + ($xStep * $ticksOffset); // grid x start
+ $tickX = $gridLeft; // tick x coord
+
+ foreach ($this->calculated['x_axis']['text'] as $set => $value) {
+ //print "index: $set<br />";
+ // x tick value
+ $this->calculated['x_axis']['tick_x'][$set] = $tickX;
+ // if num ticks is auto then x plot value is same as x tick
+ if ($this->parameter['x_axis_gridlines'] == 'auto') $this->calculated['x_plot'][$set] = round($tickX);
+ //print $this->calculated['x_plot'][$set].'<br />';
+ $tickX += $xStep;
+ }
+
+ //print "xStep: $xStep <br />";
+ // if numeric x axis then calculate x coords for each data point. this is seperate from x ticks.
+ $gridX = $gridLeft;
+ if (empty($this->calculated['x_axis']['factor'])) {
+ $this->calculated['x_axis']['factor'] = 0;
+ }
+ if (empty($this->calculated['x_axis']['min'])) {
+ $this->calculated['x_axis']['min'] = 0;
+ }
+ $factor = $this->calculated['x_axis']['factor'];
+ $min = $this->calculated['x_axis']['min'];
+
+ if ($this->parameter['x_axis_gridlines'] != 'auto') {
+ foreach ($this->x_data as $index => $x) {
+ //print "index: $index, x: $x<br />";
+ $offset = $x - $this->calculated['x_axis']['min'];
+
+ //$gridX = ($offset * $this->calculated['x_axis']['factor']);
+ //print "offset: $offset <br />";
+ //$this->calculated['x_plot'][$set] = $gridLeft + ($offset * $this->calculated['x_axis']['factor']);
+
+ $this->calculated['x_plot'][$index] = $gridLeft + ($x - $min) * $factor;
+
+ //print $this->calculated['x_plot'][$set].'<br />';
+ }
+ }
+ //expand_pre($this->calculated['boundary_box']);
+ //print "factor ".$this->calculated['x_axis']['factor']."<br />";
+ //expand_pre($this->calculated['x_plot']);
+}
+
+function init_y_ticks() {
+ // get coords for y axis ticks
+
+ $yStep = $this->calculated['y_axis']['step'];
+ $gridBottom = $this->calculated['boundary_box']['bottom'];
+ $tickY = $gridBottom; // tick y coord
+
+ for ($i = 0; $i < $this->parameter['y_axis_gridlines']; $i++) {
+ $this->calculated['y_axis']['tick_y'][$i] = $tickY;
+ $tickY -= $yStep;
+ }
+
+}
+
+function init_labels() {
+ if ($this->parameter['title']) {
+ $size = $this->get_boundaryBox(
+ array('points' => $this->parameter['title_size'],
+ 'angle' => 0,
+ 'font' => $this->parameter['title_font'],
+ 'text' => $this->parameter['title']));
+ $this->calculated['title']['boundary_box'] = $size;
+ $this->calculated['title']['text'] = $this->parameter['title'];
+ $this->calculated['title']['font'] = $this->parameter['title_font'];
+ $this->calculated['title']['points'] = $this->parameter['title_size'];
+ $this->calculated['title']['colour'] = $this->parameter['title_colour'];
+ $this->calculated['title']['angle'] = 0;
+
+ $this->calculated['boundary_box']['top'] += $size['height'] + $this->parameter['outer_padding'];
+ //$this->calculated['boundary_box']['top'] += $size['height'];
+
+ } else $this->calculated['title']['boundary_box'] = $this->get_null_size();
+
+ if ($this->parameter['y_label_left']) {
+ $this->calculated['y_label_left']['text'] = $this->parameter['y_label_left'];
+ $this->calculated['y_label_left']['angle'] = $this->parameter['y_label_angle'];
+ $this->calculated['y_label_left']['font'] = $this->parameter['label_font'];
+ $this->calculated['y_label_left']['points'] = $this->parameter['label_size'];
+ $this->calculated['y_label_left']['colour'] = $this->parameter['label_colour'];
+
+ $size = $this->get_boundaryBox($this->calculated['y_label_left']);
+ $this->calculated['y_label_left']['boundary_box'] = $size;
+ //$this->calculated['boundary_box']['left'] += $size['width'] + $this->parameter['inner_padding'];
+ $this->calculated['boundary_box']['left'] += $size['width'];
+
+ } else $this->calculated['y_label_left']['boundary_box'] = $this->get_null_size();
+
+ if ($this->parameter['y_label_right']) {
+ $this->calculated['y_label_right']['text'] = $this->parameter['y_label_right'];
+ $this->calculated['y_label_right']['angle'] = $this->parameter['y_label_angle'];
+ $this->calculated['y_label_right']['font'] = $this->parameter['label_font'];
+ $this->calculated['y_label_right']['points'] = $this->parameter['label_size'];
+ $this->calculated['y_label_right']['colour'] = $this->parameter['label_colour'];
+
+ $size = $this->get_boundaryBox($this->calculated['y_label_right']);
+ $this->calculated['y_label_right']['boundary_box'] = $size;
+ //$this->calculated['boundary_box']['right'] -= $size['width'] + $this->parameter['inner_padding'];
+ $this->calculated['boundary_box']['right'] -= $size['width'];
+
+ } else $this->calculated['y_label_right']['boundary_box'] = $this->get_null_size();
+
+ if ($this->parameter['x_label']) {
+ $this->calculated['x_label']['text'] = $this->parameter['x_label'];
+ $this->calculated['x_label']['angle'] = $this->parameter['x_label_angle'];
+ $this->calculated['x_label']['font'] = $this->parameter['label_font'];
+ $this->calculated['x_label']['points'] = $this->parameter['label_size'];
+ $this->calculated['x_label']['colour'] = $this->parameter['label_colour'];
+
+ $size = $this->get_boundaryBox($this->calculated['x_label']);
+ $this->calculated['x_label']['boundary_box'] = $size;
+ //$this->calculated['boundary_box']['bottom'] -= $size['height'] + $this->parameter['inner_padding'];
+ $this->calculated['boundary_box']['bottom'] -= $size['height'];
+
+ } else $this->calculated['x_label']['boundary_box'] = $this->get_null_size();
+
+}
+
+
+function init_legend() {
+ $this->calculated['legend'] = array(); // array to hold calculated values for legend.
+ //$this->calculated['legend']['boundary_box_max'] = array('height' => 0, 'width' => 0);
+ $this->calculated['legend']['boundary_box_max'] = $this->get_null_size();
+ if ($this->parameter['legend'] == 'none') return;
+
+ $position = $this->parameter['legend'];
+ $numSets = 0; // number of data sets with legends.
+ $sumTextHeight = 0; // total of height of all legend text items.
+ $width = 0;
+ $height = 0;
+
+ foreach ($this->y_order as $set) {
+ $text = isset($this->y_format[$set]['legend']) ? $this->y_format[$set]['legend'] : 'none';
+ $size = $this->get_boundaryBox(
+ array('points' => $this->parameter['legend_size'],
+ 'angle' => 0,
+ 'font' => $this->parameter['legend_font'],
+ 'text' => $text));
+
+ $this->calculated['legend']['boundary_box'][$set] = $size;
+ $this->calculated['legend']['text'][$set] = $text;
+ //$this->calculated['legend']['font'][$set] = $this->parameter['legend_font'];
+ //$this->calculated['legend']['points'][$set] = $this->parameter['legend_size'];
+ //$this->calculated['legend']['angle'][$set] = 0;
+
+ if ($text && $text!='none') {
+ $numSets++;
+ $sumTextHeight += $size['height'];
+ }
+
+ if ($size['width'] > $this->calculated['legend']['boundary_box_max']['width'])
+ $this->calculated['legend']['boundary_box_max'] = $size;
+ }
+
+ $offset = $this->parameter['legend_offset']; // offset in pixels of legend box from graph border.
+ $padding = $this->parameter['legend_padding']; // padding in pixels around legend text.
+ $textWidth = $this->calculated['legend']['boundary_box_max']['width']; // width of largest legend item.
+ $textHeight = $this->calculated['legend']['boundary_box_max']['height']; // use height as size to use for colour square in legend.
+ $width = $padding * 2 + $textWidth + $textHeight * 2; // left and right padding + maximum text width + space for square
+ $height = $padding * ($numSets + 1) + $sumTextHeight; // top and bottom padding + padding between text + text.
+
+
+ $this->calculated['legend']['boundary_box_all'] = array('width' => $width,
+ 'height' => $height,
+ 'offset' => $offset,
+ 'reference' => $position);
+
+ switch ($position) { // move in right or bottom if legend is outside data plotting area.
+ case 'outside-top' :
+ $this->calculated['boundary_box']['right'] -= $offset + $width; // move in right hand side
+ break;
+
+ case 'outside-bottom' :
+ $this->calculated['boundary_box']['right'] -= $offset + $width; // move in right hand side
+ break;
+
+ case 'outside-left' :
+ $this->calculated['boundary_box']['bottom'] -= $offset + $height; // move in right hand side
+ break;
+
+ case 'outside-right' :
+ $this->calculated['boundary_box']['bottom'] -= $offset + $height; // move in right hand side
+ break;
+ }
+}
+
+function init_y_axis() {
+ $this->calculated['y_axis_left'] = array(); // array to hold calculated values for y_axis on left.
+ $this->calculated['y_axis_left']['boundary_box_max'] = $this->get_null_size();
+ $this->calculated['y_axis_right'] = array(); // array to hold calculated values for y_axis on right.
+ $this->calculated['y_axis_right']['boundary_box_max'] = $this->get_null_size();
+
+ $axis_font = $this->parameter['axis_font'];
+ $axis_size = $this->parameter['axis_size'];
+ $axis_colour = $this->parameter['axis_colour'];
+ $axis_angle = $this->parameter['y_axis_angle'];
+ $y_tick_labels = $this->parameter['y_tick_labels'];
+
+ $this->calculated['y_axis_left']['has_data'] = FALSE;
+ $this->calculated['y_axis_right']['has_data'] = FALSE;
+
+ // find min and max y values.
+ $minLeft = $this->parameter['y_min_left'];
+ $maxLeft = $this->parameter['y_max_left'];
+ $minRight = $this->parameter['y_min_right'];
+ $maxRight = $this->parameter['y_max_right'];
+ $dataLeft = array();
+ $dataRight = array();
+ foreach ($this->y_order as $order => $set) {
+ if (isset($this->y_format[$set]['y_axis']) && $this->y_format[$set]['y_axis'] == 'right') {
+ $this->calculated['y_axis_right']['has_data'] = TRUE;
+ $dataRight = array_merge($dataRight, $this->y_data[$set]);
+ } else {
+ $this->calculated['y_axis_left']['has_data'] = TRUE;
+ $dataLeft = array_merge($dataLeft, $this->y_data[$set]);
+ }
+ }
+ $dataLeftRange = $this->find_range($dataLeft, $minLeft, $maxLeft, $this->parameter['y_resolution_left']);
+ $dataRightRange = $this->find_range($dataRight, $minRight, $maxRight, $this->parameter['y_resolution_right']);
+ $minLeft = $dataLeftRange['min'];
+ $maxLeft = $dataLeftRange['max'];
+ $minRight = $dataRightRange['min'];
+ $maxRight = $dataRightRange['max'];
+
+ $this->calculated['y_axis_left']['min'] = $minLeft;
+ $this->calculated['y_axis_left']['max'] = $maxLeft;
+ $this->calculated['y_axis_right']['min'] = $minRight;
+ $this->calculated['y_axis_right']['max'] = $maxRight;
+
+ $stepLeft = ($maxLeft - $minLeft) / ($this->parameter['y_axis_gridlines'] - 1);
+ $startLeft = $minLeft;
+ $step_right = ($maxRight - $minRight) / ($this->parameter['y_axis_gridlines'] - 1);
+ $start_right = $minRight;
+
+ if ($this->parameter['y_axis_text_left']) {
+ for ($i = 0; $i < $this->parameter['y_axis_gridlines']; $i++) { // calculate y axis text sizes
+ // left y axis
+ if ($y_tick_labels) {
+ $value = $y_tick_labels[$i];
+ } else {
+ $value = number_format($startLeft, $this->parameter['y_decimal_left'], $this->parameter['decimal_point'], $this->parameter['thousand_sep']);
+=======
}
+>>>>>>> 1.21
}
}
projects / moodle.git / commitdiff