588 lines
9.6 KiB
PHP
588 lines
9.6 KiB
PHP
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<?php
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/*
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* This work is hereby released into the Public Domain.
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* To view a copy of the public domain dedication,
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* visit http://creativecommons.org/licenses/publicdomain/ or send a letter to
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* Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA.
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*
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*/
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require_once dirname(__FILE__)."/../Graph.class.php";
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/**
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* Draw labels
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*
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* @package Artichow
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*/
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class awLabel implements awPositionable {
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/**
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* Label border
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*
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* @var int
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*/
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public $border;
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/**
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* Label texts
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*
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* @var array
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*/
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protected $texts;
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/**
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* Text font
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*
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* @var int
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*/
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protected $font;
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/**
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* Text angle
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*
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* @var int
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*/
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protected $angle = 0;
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/**
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* Text color
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*
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* @var Color
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*/
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protected $color;
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/**
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* Text background
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*
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* @var Color, Gradient
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*/
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private $background;
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/**
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* Callback function
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*
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* @var string
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*/
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private $function;
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/**
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* Padding
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*
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* @var int
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*/
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private $padding;
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/**
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* Move position from this vector
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*
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* @var Point
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*/
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protected $move;
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/**
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* Label interval
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*
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* @var int
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*/
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protected $interval = 1;
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/**
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* Horizontal align
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*
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* @var int
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*/
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protected $hAlign = awLabel::CENTER;
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/**
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* Vertical align
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*
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* @var int
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*/
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protected $vAlign = awLabel::MIDDLE;
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/**
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* Hide all labels ?
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*
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* @var bool
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*/
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protected $hide = FALSE;
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/**
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* Keys to hide
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*
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* @var array
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*/
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protected $hideKey = array();
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/**
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* Values to hide
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*
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* @var array
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*/
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protected $hideValue = array();
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/**
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* Hide first label
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*
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* @var bool
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*/
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protected $hideFirst = FALSE;
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/**
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* Hide last label
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*
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* @var bool
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*/
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protected $hideLast = FALSE;
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/**
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* Build the label
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*
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* @param string $label First label
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*/
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public function __construct($label = NULL, $font = NULL, $color = NULL, $angle = 0) {
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if (is_array($label)) {
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$this->set($label);
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} elseif (is_string($label)) {
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$this->set(array($label));
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}
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if ($font === NULL) {
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$font = new awFont2;
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}
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$this->setFont($font);
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$this->setAngle($angle);
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if ($color instanceof awColor) {
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$this->setColor($color);
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} else {
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$this->setColor(new awColor(0, 0, 0));
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}
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$this->move = new awPoint(0, 0);
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$this->border = new awBorder;
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$this->border->hide();
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}
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/**
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* Get an element of the label from its key
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*
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* @param int $key Element key
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* @return string A value
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*/
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public function get($key) {
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return array_key_exists($key, $this->texts) ? $this->texts[$key] : NULL;
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}
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/**
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* Get all labels
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*
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* @return array
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*/
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public function all() {
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return $this->texts;
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}
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/**
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* Set one or several labels
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*
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* @param array $labels Array of string or a string
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*/
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public function set($labels) {
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if (is_array($labels)) {
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$this->texts = $labels;
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} else {
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$this->texts = array((string)$labels);
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}
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}
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/**
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* Count number of texts in the label
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*
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* @return int
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*/
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public function count() {
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return is_array($this->texts) ? count($this->texts) : 0;
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}
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/**
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* Set a callback function for labels
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*
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* @param string $function
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*/
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public function setCallbackFunction($function) {
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$this->function = is_null($function) ? $function : (string)$function;
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}
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/**
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* Return the callback function for labels
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*
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* @return string
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*/
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public function getCallbackFunction() {
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return $this->function;
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}
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/**
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* Change labels format
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*
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* @param string $format New format (printf style: %.2f for example)
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*/
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public function setFormat($format) {
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$function = 'label'.time().'_'.(microtime() * 1000000);
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eval('function '.$function.'($value) {
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return sprintf("'.addcslashes($format, '"').'", $value);
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}');
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$this->setCallbackFunction($function);
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}
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/**
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* Change font for label
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*
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* @param awFont $font New font
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* @param awColor $color Font color (can be NULL)
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*/
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public function setFont(awFont $font, $color = NULL) {
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$this->font = $font;
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if ($color instanceof awColor) {
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$this->setColor($color);
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}
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}
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/**
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* Change font angle
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*
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* @param int $angle New angle
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*/
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public function setAngle($angle) {
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$this->angle = (int)$angle;
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}
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/**
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* Change font color
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*
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* @param awColor $color
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*/
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public function setColor(awColor $color) {
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$this->color = $color;
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}
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/**
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* Change text background
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*
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* @param mixed $background
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*/
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public function setBackground($background) {
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$this->background = $background;
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}
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/**
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* Change text background color
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*
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* @param Color
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*/
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public function setBackgroundColor(awColor $color) {
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$this->background = $color;
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}
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/**
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* Change text background gradient
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*
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* @param Gradient
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*/
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public function setBackgroundGradient(awGradient $gradient) {
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$this->background = $gradient;
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}
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/**
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* Change padding
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*
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* @param int $left Left padding
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* @param int $right Right padding
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* @param int $top Top padding
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* @param int $bottom Bottom padding
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*/
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public function setPadding($left, $right, $top, $bottom) {
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$this->padding = array((int)$left, (int)$right, (int)$top, (int)$bottom);
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}
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/**
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* Hide all labels ?
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*
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* @param bool $hide
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*/
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public function hide($hide = TRUE) {
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$this->hide = (bool)$hide;
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}
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/**
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* Show all labels ?
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*
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* @param bool $show
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*/
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public function show($show = TRUE) {
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$this->hide = (bool)!$show;
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}
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/**
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* Hide a key
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*
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* @param int $key The key to hide
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*/
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public function hideKey($key) {
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$this->hideKey[$key] = TRUE;
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}
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/**
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* Hide a value
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*
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* @param int $value The value to hide
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*/
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public function hideValue($value) {
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$this->hideValue[] = $value;
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}
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/**
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* Hide first label
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*
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* @param bool $hide
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*/
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public function hideFirst($hide) {
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$this->hideFirst = (bool)$hide;
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}
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/**
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* Hide last label
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*
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* @param bool $hide
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*/
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public function hideLast($hide) {
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$this->hideLast = (bool)$hide;
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}
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/**
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* Set label interval
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*
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* @param int
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*/
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public function setInterval($interval) {
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$this->interval = (int)$interval;
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}
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/**
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* Change label position
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*
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* @param int $x Add this interval to X coord
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* @param int $y Add this interval to Y coord
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*/
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public function move($x, $y) {
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$this->move = $this->move->move($x, $y);
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}
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/**
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* Change alignment
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*
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* @param int $h Horizontal alignment
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* @param int $v Vertical alignment
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*/
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public function setAlign($h = NULL, $v = NULL) {
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if ($h !== NULL) {
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$this->hAlign = (int)$h;
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}
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if ($v !== NULL) {
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$this->vAlign = (int)$v;
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}
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}
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/**
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* Get a text from the labele
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*
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* @param mixed $key Key in the array text
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* @return Text
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*/
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public function getText($key) {
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if (is_array($this->texts) and array_key_exists($key, $this->texts)) {
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$value = $this->texts[$key];
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if (is_string($this->function)) {
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$value = call_user_func($this->function, $value);
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}
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$text = new awText($value);
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$text->setFont($this->font);
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$text->setAngle($this->angle);
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$text->setColor($this->color);
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if ($this->background instanceof awColor) {
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$text->setBackgroundColor($this->background);
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} elseif ($this->background instanceof awGradient) {
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$text->setBackgroundGradient($this->background);
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}
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$text->border = $this->border;
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if ($this->padding !== NULL) {
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call_user_func_array(array($text, 'setPadding'), $this->padding);
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}
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return $text;
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} else {
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return NULL;
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}
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}
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/**
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* Get max width of all texts
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*
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* @param awDriver $driver A driver
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* @return int
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*/
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public function getMaxWidth(awDriver $driver) {
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return $this->getMax($driver, 'getTextWidth');
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get max height of all texts
|
||
|
|
*
|
||
|
|
* @param awDriver $driver A driver
|
||
|
|
* @return int
|
||
|
|
*/
|
||
|
|
public function getMaxHeight(awDriver $driver) {
|
||
|
|
|
||
|
|
return $this->getMax($driver, 'getTextHeight');
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Draw the label
|
||
|
|
*
|
||
|
|
* @param awDriver $driver
|
||
|
|
* @param awPoint $p Label center
|
||
|
|
* @param int $key Text position in the array of texts (default to zero)
|
||
|
|
*/
|
||
|
|
public function draw(awDriver $driver, awPoint $p, $key = 0) {
|
||
|
|
|
||
|
|
if (($key % $this->interval) !== 0) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Hide all labels
|
||
|
|
if ($this->hide) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Key is hidden
|
||
|
|
if (array_key_exists($key, $this->hideKey)) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Hide first label
|
||
|
|
if ($key === 0 and $this->hideFirst) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Hide last label
|
||
|
|
if ($key === count($this->texts) - 1 and $this->hideLast) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
$text = $this->getText($key);
|
||
|
|
|
||
|
|
if ($text !== NULL) {
|
||
|
|
|
||
|
|
// Value must be hidden
|
||
|
|
if (in_array($text->getText(), $this->hideValue)) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
$x = $p->x;
|
||
|
|
$y = $p->y;
|
||
|
|
|
||
|
|
// Get padding
|
||
|
|
list($left, $right, $top, $bottom) = $text->getPadding();
|
||
|
|
|
||
|
|
// $font = $text->getFont();
|
||
|
|
$width = $driver->getTextWidth($text);
|
||
|
|
$height = $driver->getTextHeight($text);
|
||
|
|
|
||
|
|
switch($this->hAlign) {
|
||
|
|
|
||
|
|
case awLabel::RIGHT :
|
||
|
|
$x -= ($width + $right);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case awLabel::CENTER :
|
||
|
|
$x -= ($width - $left + $right) / 2;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case awLabel::LEFT :
|
||
|
|
$x += $left;
|
||
|
|
break;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
switch($this->vAlign) {
|
||
|
|
|
||
|
|
case awLabel::TOP :
|
||
|
|
$y -= ($height + $bottom);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case awLabel::MIDDLE :
|
||
|
|
$y -= ($height - $top + $bottom) / 2;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case awLabel::BOTTOM :
|
||
|
|
$y += $top;
|
||
|
|
break;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
$driver->string($text, $this->move->move($x, $y));
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
protected function getMax(awDriver $driver, $function) {
|
||
|
|
|
||
|
|
$max = NULL;
|
||
|
|
|
||
|
|
foreach($this->texts as $key => $text) {
|
||
|
|
|
||
|
|
$text = $this->getText($key);
|
||
|
|
$font = $text->getFont();
|
||
|
|
|
||
|
|
if (is_null($max)) {
|
||
|
|
$max = $font->{$function}($text);
|
||
|
|
} else {
|
||
|
|
$max = max($max, $font->{$function}($text));
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
return $max;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
registerClass('Label');
|