From 1c9c672c591e4c3d1c507b64256dbd9ca7f8b4b6 Mon Sep 17 00:00:00 2001
From: mcfly <mcfly@e107.org>
Date: Wed, 20 Aug 2008 04:43:48 +0000
Subject: [PATCH] Adding new form handler

---
 e107_handlers/e107Form.php | 569 +++++++++++++++++++++++++++++++++++++
 1 file changed, 569 insertions(+)
 create mode 100755 e107_handlers/e107Form.php

diff --git a/e107_handlers/e107Form.php b/e107_handlers/e107Form.php
new file mode 100755
index 000000000..0c8af145f
--- /dev/null
+++ b/e107_handlers/e107Form.php
@@ -0,0 +1,569 @@
+<?php
+
+
+function cleanField($string)
+{
+	return htmlspecialchars($string);
+}
+
+/*******************/
+/* MAIN FORM CLASS */
+/*******************/
+class e107Form
+{
+	var $parms, $txt, $fields, $redraw, $validated;
+
+	function e107Form()
+	{
+		$this->redraw = false;
+		$this->parms = array();
+		$this->parms['method'] = 'post';
+		$this->parms['action'] = e_SELF.'?'.e_QUERY;
+		$this->parms['class'] = 'fborder';
+		$this->txt = '';
+		$this->fields = array();
+	}
+
+	function addField($fieldName, $fieldInfo)
+	{
+		$this->fields[$fieldName] = $fieldInfo;
+	}
+
+	function setParm($parm='', $value='')
+	{
+		$this->parms[$parm] = $value;
+	}
+
+	function open()
+	{
+		$parmStr = '';
+		foreach($this->parms as $parm => $value)
+		{
+			$parmStr .= ($parmStr ? ' ' : '');
+			$parmStr .= "{$parm}='{$value}'";
+		}
+		$this->txt = "<form {$parmStr}>\n";
+		return $this->txt;
+	}
+
+	function close()
+	{
+		return '</form>';
+	}
+
+	function show()
+	{
+		$text = $this->open();
+		foreach ($this->fields as $f)
+		{
+			$text .= $f->render();
+		}
+		$text .= $this->close();
+	}
+
+
+	function render($template, $redraw = false)
+	{
+		$this->redraw = $redraw;
+		return preg_replace_callback("#\[-(.*?)-]#", array($this, 'replace_fields'), $template);
+	}
+
+	function validateFields()
+	{
+		$this->validated = true;
+		foreach($this->fields as $key => $field)
+		{
+			if($errorText = $field->validate())
+			{
+				$field->config['errorText'] = $errorText; 
+				$this->redraw = true;
+				$this->validated = false;
+			}
+		}
+	}
+
+	function replace_fields($matches)
+	{
+		switch($matches[1])
+		{
+			case 'form_open':
+				return $this->open();
+				break;
+
+			case 'form_close':
+				return $this->close();
+				break;
+
+			default :
+				if(substr($matches[1], -6) == '_error')
+				{
+					$fname = substr($matches[1], 0, -6);
+					if(isset($this->fields[$fname]->config['errorText']))
+					{
+						$errorText  = varset($this->fields[$fname]->config['errorTextPre']);
+						$errorText .= $this->fields[$fname]->config['errorText'];
+						$errorText .= varset($this->fields[$fname]->config['errorTextPost']);
+						return $errorText;
+					}
+					else
+					{
+						return '';
+					}
+				}
+				else
+				{
+					return $this->fields[$matches[1]]->render($this->redraw);
+				}
+				break;
+		}
+	}
+}
+
+
+/*********************/
+/* BEGIN FORM FIELDS */
+/*********************/
+class e107FormItem
+{
+	var $parms, $txt, $config;
+
+	function e107FormItem($name='', $value=null)
+	{
+		$this->config = array('errorTextPre' => '<br />');
+		$this->parms = array();
+		$this->parms = array( 'class' => 'tbox', 'name' => $name );
+		if(!is_null($value))
+		{
+			$this->parms['value'] = $value;
+		}
+		$this->init();
+	}
+
+	function setParm($parm='', $value='')
+	{
+		$this->parms[$parm] = $value;
+	}
+
+	function setConfig($key='', $value='')
+	{
+		$this->config[$key] = $value;
+	}
+
+	function init()
+	{
+		return;
+	}
+
+	function createParmStr()
+	{
+		$parmStr = '';
+		foreach($this->parms as $parm => $value)
+		{
+			$parmStr .= " {$parm}='{$value}'";
+		}
+		return $parmStr;
+	}
+
+	function render()
+	{
+		return $this->txt;
+	}
+	
+	function validate()
+	{
+		return '';
+	}
+
+}
+
+class e107FormText extends e107FormItem
+{
+	function render($redraw = false)
+	{
+		if($redraw) { $this->redraw(); }
+		$this->txt = "<input type='text'".$this->createParmStr().' />';
+		return $this->txt;
+	}
+	
+	function redraw()
+	{
+		$this->parms['value'] = cleanField($_POST[$this->parms['name']]);
+	}
+	
+	function validate()
+	{
+		if(varset($this->config['required']))
+		{ 
+			if(!isset($_POST[$this->parms['name']]) || trim($_POST[$this->parms['name']]) == '')
+			{
+				return $this->config['required'];
+			} 
+		}
+		
+		if(varset($this->config['regexp']))
+		{
+			if(!preg_match("/{$this->config['regexp']}/", varset($_POST[$this->parms['name']])))
+			{
+				return varset($this->config['regexpErrorText'], '*Input is not in right format');
+			}
+		}
+		return '';
+	}
+}
+
+class e107FormPassword extends e107FormText
+{
+	function render($redraw = false)
+	{
+		if($redraw) { $this->redraw(); }
+		$this->txt = "<input type='password'".$this->createParmStr().' />';
+		return $this->txt;
+	}
+}
+
+class e107FormSelect extends e107FormItem
+{
+	var $options;
+
+	function addOption($key='', $value='', $selected=false)
+	{
+		$opt = array();
+		$opt['key'] = $key;
+		$opt['value'] = ($value ? $value : $key);
+		$opt['selected'] = ($selected ? true : false);
+		$this->options[] = $opt;
+	}
+
+	function addOptions($optionsArray='', $selectedValue = '')
+	{
+		if(!is_array($optionsArray))
+		{
+			return '';
+		}
+		foreach($optionsArray as $option)
+		{
+			$opt = array();
+			if(is_array($option))
+			{
+				foreach($option as $key => $val)
+				{
+					$opt['key'] = $key;
+					$opt['value'] = $val;
+				}
+			}
+			else
+			{
+				$opt['key'] = $option;
+				$opt['value'] = $option;
+			}
+
+			$opt['selected'] = ($opt['key'] == $selectedValue ? true : false);
+			$this->options[] = $opt;
+		}
+	}
+
+	function open()
+	{
+		$this->txt = '<select '.$this->createParmStr().'/>';
+		return $this->txt;
+	}
+
+	function close()
+	{
+		return '</select>';
+	}
+
+	function renderOptions($redraw)
+	{
+		$ret = '';
+		foreach($this->options as $key => $option)
+		{
+			$parms = '';
+			if(is_object($option))
+			{
+//				echo "key = $key<br />";
+//				print_a($option);
+				$parms = $option->createParmStr();
+				if($redraw)
+				{
+					$sel = ($this->redraw($option->key) ? " selected='selected'" : '');
+				}
+				else
+				{
+					$sel = ($option->selected ? " selected='selected'" : '');
+				}
+				$ret .= "<option {$parms} value='{$option->key}'{$sel}>{$option->value}</option>\n";
+			}
+			else
+			{
+//				echo "name = {$this->parms['name']}<br />";
+//				echo "key = $key<br />";
+//				print_a($option);
+				if($redraw)
+				{
+					$sel = ($this->redraw($option['key']) ? " selected='selected'" : '');
+				}
+				else
+				{
+					$sel = ($option['selected'] ? " selected='selected'" : '');
+				}
+				$ret .= "<option {$parms} value='{$option['key']}'{$sel}>{$option['value']}</option>\n";
+			}
+		}
+		return $ret;
+	}
+	
+	function redraw($val)
+	{
+		$fname = str_replace('[]', '', $this->parms['name']);
+		if(isset($_POST[$fname]))
+		{
+			if(is_array($_POST[$fname]))
+			{
+				return in_array($val, $_POST[$fname]);
+			}
+			else
+			{
+				return $_POST[$fname] == $val;
+			}
+		}
+	}
+
+	function render($redraw = false)
+	{
+		$this->txt = $this->open();
+		$this->txt .= $this->renderOptions($redraw);
+		$this->txt .= $this->close();
+		return $this->txt;
+	}
+}
+
+class e107FormOption extends e107FormItem
+{
+	var $key, $value, $selected;
+
+	function e107FormItem()
+	{
+		$this->key = '';
+		$this->value = '';
+		$this->selected = false;
+	}
+
+	function addOption(&$select)
+	{
+		if(!$this->key)
+		{
+			$this->key = $this->value;
+		}
+		$select->options[] = $this;
+	}
+
+}
+
+class e107FormTextarea extends e107FormText
+{
+	var $text;
+
+	function init()
+	{
+		$this->text = '';
+	}
+
+	function render($redraw = false)
+	{
+		if($redraw) { $this->redraw(); }
+		$this->txt = '<textarea '.$this->createParmStr().">{$this->text}</textarea>";
+		return $this->txt;
+	}
+
+	function redraw()
+	{
+		$this->text = cleanField($_POST[$this->parms['name']]);
+	}
+
+}
+
+class e107FormCheckbox extends e107FormItem
+{
+	var $checked;
+	function init()
+	{
+		$this->checked = false;
+	}
+
+	function render($redraw = false)
+	{
+		if($redraw) { $this->redraw(); }
+		$chk = ($this->checked ? " checked='checked'" : '');
+		$this->txt = "<input type='checkbox' ".$this->createParmStr()."{$chk} />";
+		return $this->txt;
+	}
+	
+	function redraw()
+	{
+		$this->checked = isset($_POST[$this->parms['name']]);
+	}
+}
+
+class e107FormRadio extends e107FormCheckbox
+{
+	function render($redraw)
+	{
+		if($redraw) { $this->redraw(); }
+		$chk = ($this->checked ? " checked='checked'" : '');
+		$this->txt = "<input type='radio' ".$this->createParmStr()."{$chk} />";
+		return $this->txt;
+	}
+
+	function redraw()
+	{
+		$this->checked = (varset($_POST[$this->parms['name']]) == $this->parms['value']);
+	}
+}
+
+class e107FormFile extends e107FormText
+{
+	function render()
+	{
+		$this->txt = "<input type='file'".$this->createParmStr().' />';
+		return $this->txt;
+	}
+}
+
+class e107FormHidden extends e107FormText
+{
+	function init()
+	{
+		unset($this->parms['class']);
+	}
+	function render()
+	{
+		$this->txt = "<input type='hidden'".$this->createParmStr().' />';
+		return $this->txt;
+	}
+}
+
+class e107FormButton extends e107FormItem
+{
+	function init()
+	{
+		$this->parms['class'] = 'button';
+	}
+
+	function render()
+	{
+		$this->txt = "<input type='button'".$this->createParmStr().' />';
+		return $this->txt;
+	}
+}
+
+class e107FormSubmit extends e107FormButton
+{
+	function render()
+	{
+		$this->txt = "<input type='submit'".$this->createParmStr().' />';
+		return $this->txt;
+	}
+}
+
+class e107FormReset extends e107FormButton
+{
+	function render()
+	{
+		$this->txt = "<input type='reset'".$this->createParmStr().' />';
+		return $this->txt;
+	}
+}
+
+
+class e107FormTable extends e107FormItem
+{
+	var $headerlist = array();
+	var $rowlist = array();
+
+	function open()
+	{
+		return '<table>';		// Add parameters to this
+	}
+
+	function close()
+	{
+		return '</table>';
+	}
+
+	function render()
+	{
+		$text = $this->open();
+		foreach ($this->headerlist as $h)
+		{
+			$text .= $h->render();
+		}
+		foreach ($this->rowlist as $r)
+		{
+			$text .= $r->render();
+		}
+		$text .= $this->close();
+	}
+}
+
+
+class e107FormRow extends e107FormItem
+{
+	var $rows = array();
+	function open()
+	{
+		return '<tr>';		// Add parameters to this
+	}
+
+	function close()
+	{
+		return '</tr>';
+	}
+
+	function render()
+	{
+		$text = $this->open();
+		foreach ($this->rows as $r)
+		{
+			$text .= $r->render();
+		}
+		$text .= $this->close();
+	}
+}
+
+
+class e107FormCell extends e107FormItem
+{
+	function open()
+	{
+		return '<td>';		// Add parameters to this
+	}
+
+	function close()
+	{
+		return '</td>';
+	}
+
+	function render()
+	{
+		$text = $this->open();
+		$text .= $this->txt;
+		$text .= $this->close();
+	}
+}
+
+
+// Header cell - same as ordinary cell apart from open() and close() text
+class e107FormHeaderCell extends e107FormCell
+{
+	function open()
+	{
+		return '<th>';		// Add parameters to this
+	}
+
+	function close()
+	{
+		return '</th>';
+	}
+
+}