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176 lines
4.5 KiB
176 lines
4.5 KiB
<?php
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// (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
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//
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// All Rights Reserved. See copyright.txt for details and a complete list of authors.
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// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
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// $Id$
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require_once 'lib/graph-engine/abstract.gridbased.php';
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/**
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* MultilineGraphic
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*
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* @uses GridBasedGraphic
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*/
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class MultilineGraphic extends GridBasedGraphic
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{
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public $lines;
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public function __construct()
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{
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parent::__construct();
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$this->lines = [];
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}
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public function getRequiredSeries()
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{
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return [
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'label' => false,
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'color' => false,
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'style' => false,
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'x' => true,
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'y0' => true
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];
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}
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public function _getMinValue($type)
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{
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switch ($type) {
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case 'dependant':
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$extremes = [];
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foreach ($this->lines as $line) {
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$extremes[] = min($line);
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}
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$min = min($extremes);
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break;
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case 'independant':
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$extremes = [];
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foreach ($this->lines as $line) {
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$extremes[] = min(array_keys($line));
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}
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$min = min($extremes);
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}
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if ($min > 0) {
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$min = 0;
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}
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return $min;
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}
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public function _getMaxValue($type)
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{
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switch ($type) {
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case 'dependant':
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$extremes = [];
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foreach ($this->lines as $line) {
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$extremes[] = max($line);
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}
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return max($extremes);
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case 'independant':
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$extremes = [];
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foreach ($this->lines as $line) {
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$extremes[] = max(array_keys($line));
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}
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return max($extremes);
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}
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}
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public function _getLabels($type)
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{
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return [];
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}
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public function _handleData($data)
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{
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$lines = [];
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for ($i = 0; isset($data['y' . $i]); ++$i) {
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$lines[] = $data['y' . $i];
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}
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$count = count($lines);
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if (! isset($data['color'])) {
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$data['color'] = [];
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for ($i = 0; $count > $i; ++$i) {
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$data['color'][] = $this->_getColor();
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}
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}
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if (! isset($data['style'])) {
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for ($i = 0; $count > $i; ++$i) {
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$data['style'][] = 'Bold-LineStroke-' . $data['color'][$i];
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}
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}
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if (isset($data['label'])) {
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foreach ($data['label'] as $key => $label) {
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$this->addLegend($data['color'][$key], $label);
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}
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}
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foreach ($lines as $key => $line) {
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$style = $data['style'][$key];
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$this->lines[$style] = [];
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foreach ($line as $key => $value) {
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$x = $data['x'][$key];
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if (! empty($value) || $value === 0) {
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$this->lines[$style][$x] = $value;
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}
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}
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ksort($this->lines[$style]);
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}
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return true;
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}
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public function _drawGridContent(&$renderer)
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{
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$layout = $this->_layout();
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foreach ($this->lines as $style => $line) {
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$previous = null;
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$style = $renderer->getStyle($style);
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foreach ($line as $x => $y) {
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if ($layout['grid-independant-location'] == 'horizontal') {
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$xPos = $this->independant->getLocation($x);
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$yPos = $this->dependant->getLocation($y);
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if (! is_null($previous)) {
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$renderer->drawLine($previous['x'], $previous['y'], $xPos, $yPos, $style);
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}
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$previous = ['x' => $xPos, 'y' => $yPos];
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} else {
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$xPos = $this->dependant->getLocation($y);
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$yPos = $this->independant->getLocation($x);
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if (! is_null($previous)) {
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$renderer->drawLine($previous['x'], $previous['y'], $xPos, $yPos, $style);
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}
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$previous = ['x' => $xPos, 'y' => $yPos];
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}
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}
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}
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}
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public function _drawLegendBox(&$renderer, $color)
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{
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$renderer->drawLine(0, 1, 1, 0, $renderer->getStyle("Bold-LineStroke-$color"));
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}
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public function _default()
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{
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return array_merge(parent::_default(), []);
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}
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}
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