122 lines
2.9 KiB
PHP
122 lines
2.9 KiB
PHP
<?php
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/**
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* Base class for widgets.
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* Widgets let CMS authors drag and drop small pieces of functionality into defined areas of their websites.
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* @package sapphire
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* @subpackage widgets
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*/
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class Widget extends DataObject {
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static $db = array(
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"Sort" => "Int"
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);
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static $has_one = array(
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"Parent" => "WidgetArea",
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);
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static $has_many = array();
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static $many_many = array();
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static $belongs_many_many = array();
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static $defaults = array();
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static $default_sort = "Sort";
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static $title = "Widget Title";
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static $cmsTitle = "Name of this widget";
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static $description = "Description of what this widget does.";
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function getCMSFields() {
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return new FieldSet();
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}
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function WidgetHolder() {
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return $this->renderWith("WidgetHolder");
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}
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function Content() {
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return $this->renderWith($this->class);
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}
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function Title() {
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$instance = singleton($this->class);
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return $instance->uninherited('title', true);
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}
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function CMSTitle() {
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$instance = singleton($this->class);
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return $instance->uninherited('cmsTitle', true);
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}
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function Description() {
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$instance = singleton($this->class);
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return $instance->uninherited('description', true);
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}
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function DescriptionSegment() {
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return $this->renderWith('WidgetDescription');
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}
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function EditableSegment() {
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return $this->renderWith('WidgetEditor');
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}
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function CMSEditor() {
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$output = '';
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$fields = $this->getCMSFields();
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foreach($fields as $field) {
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$name = $field->Name();
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$field->setValue($this->getField($name));
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$renderedField = $field->FieldHolder();
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$renderedField = ereg_replace("name=\"([A-Za-z0-9\-_]+)\"", "name=\"Widget[" . $this->ID . "][\\1]\"", $renderedField);
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$renderedField = ereg_replace("id=\"([A-Za-z0-9\-_]+)\"", "id=\"Widget[" . $this->ID . "][\\1]\"", $renderedField);
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$output .= $renderedField;
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}
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return $output;
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}
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function ClassName() {
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return $this->class;
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}
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function Name() {
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return "Widget[".$this->ID."]";
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}
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function populateFromPostData($data) {
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foreach($data as $name => $value) {
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if($name != "Type") {
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$this->setField($name, $value);
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}
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}
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$this->write();
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// The field must be written to ensure a unique ID.
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$this->Name = $this->class.$this->ID;
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$this->write();
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}
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function FormObjectLink($formName) {
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if(is_numeric($this->ID)) {
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return "WidgetFormProxy/index/$this->ID?executeForm=$formName";
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} else {
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user_error("Attempted to create a form on a widget that hasn't been saved to the database.", E_USER_WARNING);
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}
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}
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}
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class Widget_Controller extends Controller {
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function editablesegment() {
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$className = $this->urlParams['ID'];
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if(class_exists($className) && is_subclass_of($className, 'Widget')) {
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$obj = new $className();
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return $obj->EditableSegment();
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} else {
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user_error("Bad widget class: $className", E_USER_WARNING);
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return "Bad widget class name given";
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}
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}
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}
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?>
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