require_once 'plc_functions.php';
-// the rationale behind having function names with _text is that
+// the rationale behind having function names with _html is that
// the first functions that we had were actually printing the stuff instead of returning it
-// so basically the foo (...) function should do ``print (foo_text(...))''
+// so basically the foo (...) function should just do ``print (foo_html(...))''
-// options unused so far
-function plc_form_start ($full_url, $values, $options=array()) {
- if ( ! $values ) $values = array();
- // extract var=value settings from url if any
- $split=split_url($full_url);
- $url=$split['url'];
- $url_values=$split['values'];
- if ( $url_values ) $values=array_merge($values,$url_values);
- $method = array_key_exists('method',$options) ? $options['method'] : 'POST';
- print "<form method=$method action='$url' enctype='multipart/form-data'>";
- // plc_debug('values',$values);
- if ($values) foreach ($values as $key=>$value) {
- print plc_form_hidden_text($key,$value);
- }
-}
+class PlcForm {
+ // mandatory
+ var $url;
+ var $values; // a hash var=>value - default is empty array
+ var $method; // default is POST
-function plc_form_end($options=array()) {
- print "</form>";
-}
+ function PlcForm ($full_url, $values, $method="POST") {
+ // so we can use the various l_* functions:
+ // we parse the url to extract var-values pairs,
+ // and add them to the 'values' argument if any
-function plc_form_hidden_text ($key,$value) {
- return "<input type=hidden name='$key' value='$value'/>";
-}
-function plc_form_hidden ($key,$value) { print plc_form_hidden_text($key,$value); }
-
-function plc_form_checkbox_text ($name,$value,$selected=false) {
- if ($selected) $xtra=" selected=selected";
- return "<input type=checkbox name='$name' value='$value'$xtra/>";
-}
+ // extract var=value settings from url if any
+ $split=split_url($full_url);
+ $this->url=$split['url'];
+
+ $url_values=$split['values'];
+ if ( ! $values ) $values = array();
+ if ( $url_values ) $values=array_merge($values,$url_values);
+ $this->values=$values;
-function plc_form_submit_text ($name,$display) {
- return "<input type=submit name='$name' value='$display'/>";
-}
-function plc_form_submit ($name, $display) { print plc_form_submit_text($name,$display); }
-
-function plc_form_file_text ($name,$size) {
- return "<input type=file name='$name' size=$size/>";
-}
+ $this->method=$method;
+ }
-function plc_form_label_text ($name,$display) {
- return "<label for=$name>$display </label>";
-}
+ function start () { print $this->start_html(); }
+ function start_html () {
+ $html="<form method=$this->method action='$this->url' enctype='multipart/form-data'>";
+ if ($this->values)
+ foreach ($this->values as $key=>$value)
+ $html .= $this->hidden_html($key,$value);
+ return $html;
+ }
-function plc_form_text_text ($name,$value,$size) {
- return "<input type=text name='$name' size=$size value='$value'>";
-}
-function plc_form_textarea_text ($name,$value,$cols,$rows) {
- return "<textarea name='$name' cols=$cols rows=$rows>$value</textarea>";
-}
+ function end() { print $this->end_html(); }
+ function end_html() { return "</form>"; }
+
+ static function hidden_html ($key,$value) {
+ return "<input type=hidden name='$key' value='$value'/>";
+ }
+ static function checkbox_html ($name,$value,$selected=false) {
+ if ($selected) $xtra=" selected=selected";
+ return "<input type=checkbox name='$name' value='$value'$xtra/>";
+ }
+ static function submit_html ($name,$display) {
+ return "<input type=submit name='$name' value='$display'/>";
+ }
+ static function file_html ($name,$size) {
+ return "<input type=file name='$name' size=$size/>";
+ }
+ static function label_html ($name,$display) {
+ return "<label for=$name>$display </label>";
+ }
+ static function text_html ($name,$value,$size) {
+ return "<input type=text name='$name' size=$size value='$value'>";
+ }
+ static function textarea_html ($name,$value,$cols,$rows) {
+ return "<textarea name='$name' cols=$cols rows=$rows>$value</textarea>";
+ }
-function plc_form_select_text ($name,$values,$label="") {
- $selector="";
- $selector.="<select name='$name'>";
- if ($label)
- $selector.="<option value=''>$label</option>";
- foreach ($values as $chunk) {
- $display=$chunk['display'];
- $value=$chunk['value'];
- $selector .= "<option value='$value'";
- if ($chunk['selected']) $selector .= " selected=selected";
- $selector .= ">$display</option>\n";
+ // selectors is an array of hashes with the following keys
+ // (*) display
+ // (*) value : the value that the 'name' variable will be assigned
+ // (*) optional 'selected': the entry selected initially
+ // (*) optional 'disabled': the entry is displayed but not selectable
+ // optional label is inserted as the first option, with no value attached
+ // autosubmit: onchange=submit()
+ static function select_html ($name,$selectors,$label=NULL,$autosubmit=false) {
+ $html="";
+ $html.="<select name='$name'";
+ if ($autosubmit) $html .= " onChange='submit();'";
+ $html .= ">";
+ if ($label) {
+ $encoded=htmlentities($label,ENT_QUOTES);
+ $html.="<option selected=selected value=''>$encoded</option>";
+ }
+ foreach ($selectors as $selector) {
+ $display=htmlentities($selector['display'],ENT_QUOTES);
+ $value=$selector['value'];
+ $html .= "<option value='$value'";
+ if ($selector['selected']) $html .= " selected=selected";
+ if ($selector['disabled']) $html .= " disabled=disabled";
+ $html .= ">$display</option>\n";
+ }
+ $html .= "</select>";
+ return $html;
}
- $selector .= "</select>";
- return $selector;
}
-function plc_form_simple_button ($full_url,$text,$method="POST") {
- $split=split_url($full_url);
- $url=$split['url'];
- $values=$split['values'];
- $button=plc_form_submit_text("anonymous",$text);
- if ($values) foreach ($values as $key=>$value)
- $button .= plc_form_hidden_text($key,$value);
- return "<form method=$method action=$url>$button</form>";
+// a form with a single button
+class PlcFormButton extends PlcForm {
+
+ var $button_id;
+ var $button_text;
+
+ function PlcFormButton ($full_url, $button_id, $button_text, $method="POST") {
+ $this->PlcForm($full_url,array(),$method);
+ $this->button_id=$button_id;
+ $this->button_text=$button_text;
+ }
+
+ function html () {
+ return
+ $this->start_html() .
+ $this->submit_html($this->button_id,$this->button_text).
+ $this->end_html();
+ }
}
?>