protected function Draw()
{
$body = $this->Grid() . $this->Guidelines(SVGG_GUIDELINE_BELOW);
$chunk_count = count($this->multi_graph);
list($chunk_width, $bspace, $chunk_unit_width) = GroupedBarGraph::BarPosition($this->bar_width, $this->x_axes[$this->main_x_axis]->Unit(), $chunk_count, $this->bar_space, $this->group_space);
$bar = array('width' => $chunk_width);
$this->ColourSetup($this->multi_graph->ItemsCount(-1), $chunk_count);
$this->block_width = $chunk_width;
list($this->bx, $this->by) = $this->Project(-1, 0, $chunk_width);
// make the top parallelogram, set it as a symbol for re-use
$top = $this->BarTop();
$bnum = 0;
// get the translation for the whole bar
// unit space is 1 deep * $chunk_count wide
list($tx, $ty) = $this->Project(0, 0, $bspace);
$all_group = array();
if ($tx || $ty) {
$all_group['transform'] = "translate({$tx},{$ty})";
}
if ($this->semantic_classes) {
$all_group['class'] = 'series';
}
$bars = '';
$group = array();
foreach ($this->multi_graph as $itemlist) {
$k = $itemlist[0]->key;
$bar_pos = $this->GridPosition($k, $bnum);
if (!is_null($bar_pos)) {
for ($j = 0; $j < $chunk_count; ++$j) {
$bar['x'] = $bspace + $bar_pos + $j * $chunk_unit_width;
$item = $itemlist[$j];
if (!is_null($item->value)) {
$bar_sections = $this->Bar3D($item, $bar, $top, $bnum, $j, NULL, $this->DatasetYAxis($j));
$group['fill'] = $this->GetColour($item, $bnum, $j);
$show_label = $this->AddDataLabel($j, $bnum, $group, $item, $bar['x'] + $tx, $bar['y'] + $ty, $bar['width'], $bar['height']);
if ($this->show_tooltips) {
$this->SetTooltip($group, $item, $j, $item->key, $item->value);
}
$link = $this->GetLink($item, $k, $bar_sections);
$this->SetStroke($group, $item, $j, 'round');
if ($this->semantic_classes) {
$group['class'] = "series{$j}";
}
$bars .= $this->Element('g', $group, NULL, $link);
unset($group['id'], $group['class']);
if (!array_key_exists($j, $this->bar_styles)) {
$this->bar_styles[$j] = $group;
}
}
}
}
++$bnum;
}
if (count($all_group)) {
$bars = $this->Element('g', $all_group, NULL, $bars);
}
$body .= $bars;
$body .= $this->Guidelines(SVGG_GUIDELINE_ABOVE) . $this->Axes();
return $body;
}
protected function Draw()
{
$body = $this->Grid() . $this->Guidelines(SVGG_GUIDELINE_BELOW);
$chunk_count = count($this->multi_graph);
list($chunk_width, $bspace, $chunk_unit_width) = GroupedBarGraph::BarPosition($this->bar_width, $this->x_axes[$this->main_x_axis]->Unit(), $chunk_count, $this->bar_space, $this->group_space);
$bar_style = array();
$bar = array('width' => $chunk_width);
$this->ColourSetup($this->multi_graph->ItemsCount(-1), $chunk_count);
$bnum = 0;
$bars_shown = array_fill(0, $chunk_count, 0);
$bars = '';
foreach ($this->multi_graph as $itemlist) {
$k = $itemlist[0]->key;
$bar_pos = $this->GridPosition($k, $bnum);
if (!is_null($bar_pos)) {
for ($j = 0; $j < $chunk_count; ++$j) {
$bar['x'] = $bspace + $bar_pos + $j * $chunk_unit_width;
$item = $itemlist[$j];
$this->SetStroke($bar_style, $item, $j);
$bar_style['fill'] = $this->GetColour($item, $bnum, $j);
if (!is_null($item->value)) {
$this->Bar($item->value, $bar, NULL, $this->DatasetYAxis($j));
if ($bar['height'] > 0) {
++$bars_shown[$j];
$show_label = $this->AddDataLabel($j, $bnum, $bar, $item, $bar['x'], $bar['y'], $bar['width'], $bar['height']);
if ($this->show_tooltips) {
$this->SetTooltip($bar, $item, $j, $item->key, $item->value, !$this->compat_events && $show_label);
}
if ($this->semantic_classes) {
$bar['class'] = "series{$j}";
}
$rect = $this->Element('rect', $bar, $bar_style);
$bars .= $this->GetLink($item, $k, $rect);
unset($bar['id']);
// clear for next generated value
}
}
$this->bar_styles[$j] = $bar_style;
}
}
++$bnum;
}
if (!$this->legend_show_empty) {
foreach ($bars_shown as $j => $bar) {
if (!$bar) {
$this->bar_styles[$j] = NULL;
}
}
}
if ($this->semantic_classes) {
$bars = $this->Element('g', array('class' => 'series'), NULL, $bars);
}
$body .= $bars;
$body .= $this->Guidelines(SVGG_GUIDELINE_ABOVE) . $this->Axes();
return $body;
}
protected function Draw()
{
$body = $this->Grid() . $this->UnderShapes();
$chunk_count = count($this->multi_graph);
list($chunk_height, $bspace, $chunk_unit_height) = GroupedBarGraph::BarPosition($this->bar_width, $this->bar_width_min, $this->y_axes[$this->main_y_axis]->Unit(), $chunk_count, $this->bar_space, $this->group_space);
$bar_style = array();
$bar = array('height' => $chunk_height);
$this->ColourSetup($this->multi_graph->ItemsCount(-1), $chunk_count);
$bnum = 0;
$bars = '';
foreach ($this->multi_graph as $itemlist) {
$item = $itemlist[0];
$k = $item->key;
$bar_pos = $this->GridPosition($item, $bnum);
if (!is_null($bar_pos)) {
for ($j = 0; $j < $chunk_count; ++$j) {
$bar['y'] = $bar_pos - $bspace - $chunk_height - $j * $chunk_unit_height;
$item = $itemlist[$j];
$this->SetStroke($bar_style, $item, $j);
$bar_style['fill'] = $this->GetColour($item, $bnum, $j);
$this->Bar($item->value, $bar);
if ($bar['width'] > 0) {
$show_label = $this->AddDataLabel($j, $bnum, $bar, $item, $bar['x'], $bar['y'], $bar['width'], $bar['height']);
if ($this->show_tooltips) {
$this->SetTooltip($bar, $item, $j, $item->key, $item->value, !$this->compat_events && $show_label);
}
if ($this->semantic_classes) {
$bar['class'] = "series{$j}";
}
$rect = $this->Element('rect', $bar, $bar_style);
$bars .= $this->GetLink($item, $k, $rect);
unset($bar['id']);
// clear ID for next generated value
}
$this->SetLegendEntry($j, $bnum, $item, $bar_style);
}
}
++$bnum;
}
if ($this->semantic_classes) {
$bars = $this->Element('g', array('class' => 'series'), NULL, $bars);
}
$body .= $bars;
$body .= $this->OverShapes();
$body .= $this->Axes();
return $body;
}
protected function Draw()
{
if ($this->log_axis_y) {
throw new Exception('log_axis_y not supported by StackedGroupedBarGraph');
}
$body = $this->Grid() . $this->UnderShapes();
$group_count = count($this->groups);
list($group_width, $bspace, $group_unit_width) = GroupedBarGraph::BarPosition($this->bar_width, $this->bar_width_min, $this->x_axes[$this->main_x_axis]->Unit(), $group_count, $this->bar_space, $this->group_space);
$bar_style = array();
$bar = array('width' => $group_width);
$bnum = 0;
$bar_count = count($this->multi_graph);
$bars_shown = array_fill(0, $bar_count, 0);
// for legend yes/no
$bars = '';
$this->ColourSetup($this->multi_graph->ItemsCount(-1), $bar_count);
foreach ($this->multi_graph as $itemlist) {
$k = $itemlist[0]->key;
$bar_pos = $this->GridPosition($k, $bnum);
if (!is_null($bar_pos)) {
for ($l = 0; $l < $group_count; ++$l) {
$bar['x'] = $bspace + $bar_pos + $l * $group_unit_width;
$start_bar = $this->groups[$l];
$end_bar = isset($this->groups[$l + 1]) ? $this->groups[$l + 1] : $bar_count;
$ypos = $yneg = 0;
// find greatest -/+ bar
$max_neg_bar = $max_pos_bar = -1;
for ($j = $start_bar; $j < $end_bar; ++$j) {
if ($itemlist[$j]->value > 0) {
$max_pos_bar = $j;
} else {
$max_neg_bar = $j;
}
}
for ($j = $start_bar; $j < $end_bar; ++$j) {
$item = $itemlist[$j];
$this->SetStroke($bar_style, $item, $j);
$bar_style['fill'] = $this->GetColour($item, $bnum, $j);
if (!is_null($item->value)) {
$this->Bar($item->value, $bar, $item->value >= 0 ? $ypos : $yneg);
if ($item->value < 0) {
$yneg += $item->value;
} else {
$ypos += $item->value;
}
if ($bar['height'] > 0) {
++$bars_shown[$j];
$show_label = $this->AddDataLabel($j, $bnum, $bar, $item, $bar['x'], $bar['y'], $bar['width'], $bar['height']);
if ($this->show_tooltips) {
$this->SetTooltip($bar, $item, $j, $item->key, $item->value, !$this->compat_events && $show_label);
}
if ($this->semantic_classes) {
$bar['class'] = "series{$j}";
}
$rect = $this->Element('rect', $bar, $bar_style);
$bars .= $this->GetLink($item, $k, $rect);
unset($bar['id']);
// clear for next value
}
}
$this->bar_styles[$j] = $bar_style;
}
if ($this->show_bar_totals) {
if ($ypos) {
// make a dataset name for stack total
$tds = 'totalpos-' . $start_bar;
$this->Bar($ypos, $bar);
if (is_callable($this->bar_total_callback)) {
$bar_total = call_user_func($this->bar_total_callback, $item->key, $ypos);
} else {
$bar_total = $ypos;
}
$this->AddContentLabel($tds, $bnum, $bar['x'], $bar['y'], $bar['width'], $bar['height'], $bar_total);
}
if ($yneg) {
$tds = 'totalneg-' . $start_bar;
$this->Bar($yneg, $bar);
if (is_callable($this->bar_total_callback)) {
$bar_total = call_user_func($this->bar_total_callback, $item->key, $yneg);
} else {
$bar_total = $yneg;
}
$this->AddContentLabel($tds, $bnum, $bar['x'], $bar['y'], $bar['width'], $bar['height'], $bar_total);
}
}
}
}
++$bnum;
}
if (!$this->legend_show_empty) {
foreach ($bars_shown as $j => $bar) {
if (!$bar) {
$this->bar_styles[$j] = NULL;
}
}
}
if ($this->semantic_classes) {
$bars = $this->Element('g', array('class' => 'series'), NULL, $bars);
}
$body .= $bars;
$body .= $this->OverShapes();
$body .= $this->Axes();
return $body;
}
protected function Draw()
{
if ($this->log_axis_y) {
throw new Exception('log_axis_y not supported by StackedGroupedCylinderGraph');
}
$body = $this->Grid() . $this->UnderShapes();
$group_count = count($this->groups);
list($group_width, $bspace, $group_unit_width) = GroupedBarGraph::BarPosition($this->bar_width, $this->bar_width_min, $this->x_axes[$this->main_x_axis]->Unit(), $group_count, $this->bar_space, $this->group_space);
$bar = array('width' => $group_width);
$bnum = 0;
$bar_count = count($this->multi_graph);
$bars_shown = array_fill(0, $bar_count, 0);
$bars = '';
$this->ColourSetup($this->multi_graph->ItemsCount(-1), $bar_count);
$this->block_width = $group_width;
list($this->bx, $this->by) = $this->Project(-1, 0, $group_width);
// make the top ellipse, set it as a symbol for re-use
$top = $this->BarTop();
// get the translation for the whole bar
// unit space is 1 deep * $chunk_count wide
list($tx, $ty) = $this->Project(0, 0, $bspace);
$all_group = array();
if ($tx || $ty) {
$all_group['transform'] = "translate({$tx},{$ty})";
}
if ($this->semantic_classes) {
$all_group['class'] = 'series';
}
$group = array();
foreach ($this->multi_graph as $itemlist) {
$item = $itemlist[0];
$k = $item->key;
$bar_pos = $this->GridPosition($item, $bnum);
if (!is_null($bar_pos)) {
for ($l = 0; $l < $group_count; ++$l) {
$bar['x'] = $bspace + $bar_pos + $l * $group_unit_width;
$start_bar = $this->groups[$l];
$end_bar = isset($this->groups[$l + 1]) ? $this->groups[$l + 1] : $bar_count;
$ypos = $yneg = 0;
// find greatest -/+ bar
$max_neg_bar = $max_pos_bar = -1;
for ($j = $start_bar; $j < $end_bar; ++$j) {
if ($itemlist[$j]->value > 0) {
$max_pos_bar = $j;
} else {
$max_neg_bar = $j;
}
}
for ($j = $start_bar; $j < $end_bar; ++$j) {
$item = $itemlist[$j];
if (!is_null($item->value)) {
$t = $j == $end_bar - 1 ? $top : NULL;
$bar_sections = $this->Bar3D($item, $bar, $t, $bnum, $j, $item->value >= 0 ? $ypos : $yneg);
if ($item->value < 0) {
$yneg += $item->value;
} else {
$ypos += $item->value;
}
$group['fill'] = $this->GetColour($item, $bnum, $j);
$show_label = $this->AddDataLabel($j, $bnum, $group, $item, $bar['x'] + $tx, $bar['y'] + $ty, $bar['width'], $bar['height']);
if ($this->show_tooltips) {
$this->SetTooltip($group, $item, $j, $item->key, $item->value);
}
$link = $this->GetLink($item, $k, $bar_sections);
$this->SetStroke($group, $item, $j, 'round');
if ($this->semantic_classes) {
$group['class'] = "series{$j}";
}
$bars .= $this->Element('g', $group, NULL, $link);
unset($group['id'], $group['class']);
// set up legend
$cstyle = array('fill' => $this->GetColour($item, $bnum, $j));
$this->SetStroke($cstyle, $item, $j);
$this->SetLegendEntry($j, $bnum, $item, $cstyle);
}
}
}
}
++$bnum;
}
if (count($all_group)) {
$bars = $this->Element('g', $all_group, NULL, $bars);
}
$body .= $bars;
$body .= $this->OverShapes();
$body .= $this->Axes();
return $body;
}
/**
* Draws this graph's data labels, and the line graph's data labels
*/
protected function DrawDataLabels()
{
$labels = parent::DrawDataLabels();
$labels .= $this->linegraph->DrawDataLabels();
return $labels;
}
/**
* Calculates the bar width, gap to first bar, gap between bars
* returns an array containing all three
*/
static function BarPosition($bar_width, $bar_width_min, $unit_width, $group_size, $bar_space, $group_space)
{
if (is_numeric($bar_width) && $bar_width >= 1) {
return GroupedBarGraph::BarPositionFixed($bar_width, $unit_width, $group_size, $group_space);
} else {
// bar width dependent on space
$gap_count = $group_size - 1;
$gap = $gap_count > 0 ? $group_space : 0;
$bar_width = $bar_space >= $unit_width ? '1' : $unit_width - $bar_space;
if ($gap_count > 0 && $gap * $gap_count > $bar_width - $group_size) {
$gap = ($bar_width - $group_size) / $gap_count;
}
$bar_width = ($bar_width - $gap * ($group_size - 1)) / $group_size;
if ($bar_width < $bar_width_min) {
return GroupedBarGraph::BarPositionFixed($bar_width_min, $unit_width, $group_size, $group_space);
}
$spacing = $bar_width + $gap;
$offset = $bar_space / 2;
}
return array($bar_width, $offset, $spacing);
}
