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| 1 | <?php | |
| 2 | ||
| 3 | function _($x) {
| |
| 4 | return htmlspecialchars($x); | |
| 5 | } | |
| 6 | ||
| 7 | function filter($x) {
| |
| 8 | $r = array(); | |
| 9 | foreach ($x as $v) {
| |
| 10 | if ($v) array_push($r, $v); | |
| 11 | } | |
| 12 | return $r; | |
| 13 | } | |
| 14 | ||
| 15 | class Input {
| |
| 16 | ||
| 17 | // The type of the input-field is stored in the attribute-slot. | |
| 18 | private $typeName; | |
| 19 | ||
| 20 | // This is an array of elements that will be rendered when the input-field | |
| 21 | // type requires sub-elements, such as the `select` input-field. The values | |
| 22 | // inserted here depend on the input-field type. They will be ignored when | |
| 23 | // the input-field type does not require sub-elements. | |
| 24 | private $subElements; | |
| 25 | ||
| 26 | // Attributes of the input-field are saved in this array. | |
| 27 | private $attributes; | |
| 28 | ||
| 29 | // This array contains all css-classes for the input-field and will be | |
| 30 | // treated special from the $attributes slot. The class-value generated | |
| 31 | // here will overwrite attributes set in the $attributes array. | |
| 32 | private $classes; | |
| 33 | ||
| 34 | public function __construct($typeName, $id=null, $class=null) {
| |
| 35 | $this->typeName = $typeName; | |
| 36 | $this->subElements = array(); | |
| 37 | $this->attributes = array(); | |
| 38 | $this->classes = array(); | |
| 39 | ||
| 40 | if ($id !== null) | |
| 41 | $this->setAttribute('id', $id);
| |
| 42 | if ($class !== null) | |
| 43 | $this->setClasses(explode(' ', $class));
| |
| 44 | } | |
| 45 | ||
| 46 | public function setClasses($classes) {
| |
| 47 | - | foreach ($args as $className) {
|
| 47 | + | |
| 48 | - | $contained = array_search($className, $this->classes); |
| 48 | + | |
| 49 | - | if ($contained === false) {
|
| 49 | + | |
| 50 | - | array_push($this->classes, $className); |
| 50 | + | |
| 51 | } | |
| 52 | ||
| 53 | public function addClass(/* ... */) {
| |
| 54 | $args = func_get_args(); | |
| 55 | $this->addClassA($args); | |
| 56 | } | |
| 57 | ||
| 58 | public function addClassA($array) {
| |
| 59 | foreach ($array as $className) {
| |
| 60 | // Class-names with spaces in it will be added seperately, again. | |
| 61 | $multipleNames = filter(explode(' ', $className));
| |
| 62 | if (count($multipleNames) > 1) {
| |
| 63 | $this->addClassA($multipleNames); | |
| 64 | } | |
| 65 | elseif ($multipleNames) {
| |
| 66 | $className = $multipleNames[0]; | |
| 67 | ||
| 68 | $contained = array_search($className, $this->classes); | |
| 69 | if ($contained === false) {
| |
| 70 | array_push($this->classes, $className); | |
| 71 | } | |
| 72 | } | |
| 73 | } | |
| 74 | } | |
| 75 | ||
| 76 | public function removeClass($className) {
| |
| 77 | $index = array_search($className, $this->classes); | |
| 78 | if ($index !== false) {
| |
| 79 | unset($this->classes[$index]); | |
| 80 | } | |
| 81 | } | |
| 82 | ||
| 83 | public function setAttribute($name, $value) {
| |
| 84 | if ($name == 'class' or $name == 'type') {
| |
| 85 | - | $string .= '>'; |
| 85 | + | |
| 86 | } | |
| 87 | $this->attributes[$name] = $value; | |
| 88 | } | |
| 89 | - | $string .= '</input>'; |
| 89 | + | |
| 90 | // removeAttribute() | |
| 91 | // hasAttribute() | |
| 92 | ||
| 93 | public function render() {
| |
| 94 | $string = '<input type="' . _($this->typeName) . '" '; | |
| 95 | ||
| 96 | - | $i = new Input('text', 'myInput', 'foo bar');
|
| 96 | + | |
| 97 | - | $i->addClass('foo', 'baar', 'spam', 'eggs');
|
| 97 | + | |
| 98 | - | print $i->render(); |
| 98 | + | |
| 99 | $string .= 'class="' . $classNames . '" '; | |
| 100 | } | |
| 101 | ||
| 102 | // Render the rest of the attributes. | |
| 103 | foreach ($this->attributes as $key => $value) {
| |
| 104 | $string .= $key . '="' . _($value) . '" '; | |
| 105 | } | |
| 106 | ||
| 107 | // Special treatment for `select`, etc.. | |
| 108 | ||
| 109 | $string .= '/>'; | |
| 110 | ||
| 111 | return $string; | |
| 112 | } | |
| 113 | ||
| 114 | } | |
| 115 | ?> | |
| 116 | <!DOCTYPE html> | |
| 117 | <html> | |
| 118 | <body> | |
| 119 | <?php | |
| 120 | $i = new Input('text', 'myInput', 'foo bar');
| |
| 121 | $i->addClass('foo', 'baar', 'spam FU', 'eggs');
| |
| 122 | print $i->render(); | |
| 123 | ?> | |
| 124 | </body> | |
| 125 | </html> |
