Initial repo created

[timetracker.git] / WEB-INF / lib / libchart / classes / view / chart / Chart.php

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+<?php
+       /* Libchart - PHP chart library
+        * Copyright (C) 2005-2008 Jean-Marc Trémeaux (jm.tremeaux at gmail.com)
+        * 
+        * This program is free software: you can redistribute it and/or modify
+        * it under the terms of the GNU General Public License as published by
+        * the Free Software Foundation, either version 3 of the License, or
+        * (at your option) any later version.
+        * 
+        * This program is distributed in the hope that it will be useful,
+        * but WITHOUT ANY WARRANTY; without even the implied warranty of
+        * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+        * GNU General Public License for more details.
+        *
+        * You should have received a copy of the GNU General Public License
+        * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+        * 
+        */
+       
+       /*! \mainpage Libchart
+        *
+        * This is the reference API, automatically compiled by <a href="http://www.stack.nl/~dimitri/doxygen/">Doxygen</a>.
+        * You can find here information that is not covered by the <a href="../samplecode/">tutorial</a>.
+        *
+        */
+
+       /**
+        * Base chart class.
+        *
+        * @author Jean-Marc Trémeaux (jm.tremeaux at gmail.com)
+        */
+       abstract class Chart {
+               /**
+                * The data set.
+                */
+               protected $dataSet;
+       
+               /**
+                * Plot (holds graphical attributes).
+                */
+               protected $plot;
+
+               /**
+                * Abstract constructor of Chart.
+                *
+                * @param integer width of the image
+                * @param integer height of the image
+                */
+               protected function Chart($width, $height) {
+                       // Creates the plot
+                       $this->plot = new Plot($width, $height);
+                       $this->plot->setTitle("Untitled chart");
+                       $this->plot->setLogoFileName(dirname(__FILE__) . "/../../../images/PoweredBy.png");
+               }
+
+               /**
+                * Checks the data model before rendering the graph.
+                */
+               protected function checkDataModel() {
+                       // Check if a dataset was defined
+                       if (!$this->dataSet) {
+                               die("Error: No dataset defined.");
+                       }
+                       
+                       // Maybe no points are defined, but that's ok. This will yield and empty graph with default boundaries.
+               }
+               
+               /**
+                * Create the image.
+                */
+               protected function createImage() {
+                       $this->plot->createImage();
+               }
+
+               /**
+                * Sets the data set.
+                *
+                * @param dataSet The data set
+                */
+               public function setDataSet($dataSet) {
+                       $this->dataSet = $dataSet;
+               }
+               
+               /**
+                * Return the plot.
+                *
+                * @return plot
+                */
+               public function getPlot() {
+                       return $this->plot;
+               }
+               
+               /**
+                * Sets the title.
+                *
+                * @param string New title
+                */
+               public function setTitle($title) {
+                       $this->plot->setTitle($title);
+               }
+       }
+?>
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