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egroupware_official/etemplate/inc/class.uietemplate_gtk.inc.php
2006-04-20 17:12:30 +00:00

776 lines
24 KiB
PHP

<?php
/**
* eGroupWare - EditableTemplates - GTK User Interface
*
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package etemplate
* @link http://www.egroupware.org
* @author Ralf Becker <RalfBecker@outdoor-training.de>
* @version $Id$
*/
include_once(EGW_INCLUDE_ROOT . '/etemplate/inc/class.boetemplate.inc.php');
/**
* @author ralfbecker
* creates dialogs / HTML-forms from eTemplate descriptions
*
* etemplate or uietemplate extends boetemplate, all vars and public functions are inherited
* $tmpl =& CreateObject('etemplate.etemplate','app.template.name');
* $tmpl->exec('app.class.callback',$content_to_show);
* This creates a form from the eTemplate 'app.template.name' and takes care that
* the method / public function 'callback' in (bo)class 'class' of 'app' gets called
* if the user submitts the form. Vor the complete param's see the description of exec.
* @param $debug enables debug messages: 0=no, 1=calls to show and process_show, 2=content of process_show
* @param 3=calls to show_cell OR template- or cell-type name
*/
class etemplate extends boetemplate
{
var $debug;//='etemplate.editor.edit'; // 1=calls to show and process_show, 2=content after process_show,
// 3=calls to show_cell and process_show_cell, or template-name or cell-type
var $no_result = array( // field-types which generate no direct result
'label' => True,
'hrule' => True,
'image' => True,
'raw' => True,
'template' => True
);
var $font_width=8;
/**
* constructor of etemplate class, reads an eTemplate if $name is given
*
* @param as soetemplate.read
*/
function etemplate($name='',$template='default',$lang='default',$group=0,$version='',$rows=2,$cols=2)
{
$this->public_functions += array(
'exec' => True,
);
$this->boetemplate();
if (!$this->read($name,$template,$lang,$group,$version))
{
$this->init($name,$template,$lang,$group,$version,$rows,$cols);
return False;
}
return True;
}
/**
* Generats a Dialog from an eTemplate - abstract the UI-layer
*
* This is the only function an application should use, all other are INTERNAL and
* do NOT abstract the UI-layer, because they return HTML.
* Generates a webpage with a form from the template and puts process_exec in the
* form as submit-url to call process_show for the template before it
* ExecuteMethod's the given $methode of the caller.
* @param $methode Methode (e.g. 'etemplate.editor.edit') to be called if form is submitted
* @param $content Array with content to fill the input-fields of template, eg. the text-field
* @param with name 'name' gets its content from $content['name']
* @param $sel_options Array or arrays with the options for each select-field, keys are the
* @param field-names, eg. array('name' => array(1 => 'one',2 => 'two')) set the
* @param options for field 'name'. ($content['options-name'] is possible too !!!)
* @param $readonlys Array with field-names as keys for fields with should be readonly
* @param (eg. to implement ACL grants on field-level or to remove buttons not applicable)
* @param $preserv Array with vars which should be transported to the $method-call (eg. an id) array('id' => $id) sets $_POST['id'] for the $method-call
* @return nothing
*/
function exec($method,$content,$sel_options='',$readonlys='',$preserv='')
{
if (!$sel_options)
{
$sel_options = array();
}
if (!$readonlys)
{
$readonlys = array();
}
if (!$preserv)
{
$preserv = array();
}
if (!class_exists('gtk')) // load the gtk extension
{
if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN')
{
dl('php_gtk.dll');
}
else
{
dl('php_gtk.so');
}
}
/*
* Create a new top-level window and connect the signals to the appropriate
* functions if the window not already exists.
*/
if (!$GLOBALS['egw_info']['etemplate']['window'])
{
$window = &new GtkWindow();
$window->connect('destroy',array('etemplate','destroy'));
$window->connect('delete-event',array('etemplate','delete_event'));
$window->set_title('eGroupWareGTK: '.$GLOBALS['egw_info']['server']['site_title']);
$window->set_default_size(1024,600);
$GLOBALS['egw_info']['etemplate']['window'] = &$window;
}
else
{
$window = &$GLOBALS['egw_info']['etemplate']['window'];
}
$this->result = array('test' => 'test');
$table = &$this->show($this->result,$content,$sel_options,$readonlys);
$table->set_border_width(10);
$table->show();
$swindow = &new GtkScrolledWindow(null,null);
$swindow->set_policy(GTK_POLICY_AUTOMATIC,GTK_POLICY_AUTOMATIC);
$swindow->add_with_viewport($table);
$swindow->show();
$window->add($swindow);
$window->show_all();
/* Run the main loop. */
Gtk::main();
$this->collect_results();
$swindow->hide();
$window->remove($swindow);
unset($swindow);
unset($this->widgets);
// set application name so that lang, etc. works
list($GLOBALS['egw_info']['flags']['currentapp']) = explode('.',$method);
ExecMethod($method,array_merge($this->result,$preserv));
}
/**
* this is only an empty function for the GTK ui
*
* @return the adjusted content (in the simplest case that would be $content)
*/
function process_show(&$content,$readonlys='')
{
}
/*
* Called when delete-event happens. Returns false to indicate that the event
* should proceed.
*/
function delete_event()
{
return false;
}
/*
* Called when the window is being destroyed: destroy the session
*/
function destroy()
{
Gtk::main_quit();
$GLOBALS['egw']->session->destroy($GLOBALS['egw_info']['user']['sessionid'],$GLOBALS['egw_info']['user']['kp3']);
$GLOBALS['egw_info']['flags']['nodisplay'] = True;
exit;
}
function button_clicked(&$var,$form_name)
{
echo "button '$form_name' pressed\n";
$var = 'pressed';
Gtk::main_quit();
}
function submit()
{
echo "OnChange --> submit\n";
Gtk::main_quit();
}
function collect_results()
{
for($i=0; isset($this->widgets[$i]); ++$i)
{
$set = &$this->widgets[$i];
$widget = &$set['widget'];
$val_is_set = False;
echo "$i: $set[name]/$set[type]/".Gtk::type_name($widget->get_type());
switch ($set['type'])
{
case 'button': // is set to 'pressed' or is '' (not unset !!!)
$val_is_set = ($val = $this->get_array($this->result,$set['name']));
break;
case 'int':
case 'float':
case 'text':
case 'textarea':
$val = $widget->get_chars(0,-1);
$val_is_set = True;
break;
case 'checkbox':
$val = $widget->get_active();
$val_is_set = True;
break;
case 'radio':
if ($widget->get_active())
{
$val = $set['set_val'];
$val_is_set = True;
}
break;
case 'select':
$entry = $widget->entry;
$selected = $entry->get_chars(0,-1);
$options = $set['set_val'];
reset($options);
while (list($key,$val) = each($options))
{
if ($val == $selected)
{
$val = $key;
$val_is_set = True;
break;
}
}
break;
case 'date':
}
echo $val_is_set && !$set['readonly'] ? " = '$val'\n" : " NOT SET\n";
$this->set_array($this->result,$set['name'],$val,$val_is_set && !$set['readonly']);
}
}
/**
* creates HTML from an eTemplate
*
* This is done by calling show_cell for each cell in the form. show_cell itself
* calls show recursivly for each included eTemplate.
* You can use it in the UI-layer of an app, just make shure to call process_show !!!
* This is intended as internal function and should NOT be called by new app's direct,
* as it deals with HTML and is so UI-dependent, use exec instead.
* @param $content array with content for the cells, keys are the names given in the cells/form elements
* @param $sel_options array with options for the selectboxes, keys are the name of the selectbox
* @param $readonlys array with names of cells/form-elements to be not allowed to change
* @param This is to facilitate complex ACL's which denies access on field-level !!!
* @param $cname basename of names for form-elements, means index in $_POST
* @param eg. $cname='cont', element-name = 'name' returned content in $_POST['cont']['name']
* @param $show_xxx row,col name/index for name expansion
* @return the generated HTML
*/
function show(&$result,$content,$sel_options='',$readonlys='',$cname='',$show_c=0,$show_row=0)
{
if (!$sel_options)
{
$sel_options = array();
}
if (!$readonlys)
{
$readonlys = array();
}
if ($this->debug >= 1 || $this->debug == $this->name && $this->name)
{
echo "<p>etemplate.show($this->name): $cname =\n"; _debug_array($content);
}
if (!is_array($content))
{
$content = array(); // happens if incl. template has no content
}
$content += array( // for var-expansion in names in show_cell
'.c' => $show_c,
'.col' => $this->num2chrs($show_c-1),
'.row' => $show_row
);
$table = &new GtkTable($this->rows,$this->cols,False);
$table->set_row_spacings(2);
$table->set_col_spacings(5);
$table->show();
reset($this->data);
if (isset($this->data[0]))
{
list($nul,$width) = each($this->data);
}
else
{
$width = array();
}
for ($r = 0; $row = 1+$r /*list($row,$cols) = each($this->data)*/; ++$r)
{
$old_cols = $cols; $old_class = $class; $old_height = $height;
if (!(list($nul,$cols) = each($this->data))) // no further row
{
$cols = $old_cols; $class = $old_class; $height = $old_height;
list($nul,$cell) = each($cols); reset($cols);
if (!($this->autorepeat_idx($cols['A'],0,$r,$idx,$idx_cname) && $idx_cname) &&
!($this->autorepeat_idx($cols['B'],1,$r,$idx,$idx_cname) && $idx_cname) ||
!$this->isset_array($content,$idx))
{
break; // no auto-row-repeat
}
}
else
{
$height = $this->data[0]["h$row"];
list($class,$valign) = explode(',',$this->data[0]["c$row"]);
switch($valign)
{
case 'top':
$valign = 0.0;
break;
case 'bottom':
$valign = 1.0;
break;
default:
$valign = 0.5;
}
}
$row_data = array();
for ($c = 0; True /*list($col,$cell) = each($cols)*/; ++$c)
{
$old_cell = $cell;
if (!(list($nul,$cell) = each($cols))) // no further cols
{
$cell = $old_cell;
if (!$this->autorepeat_idx($cell,$c,$r,$idx,$idx_cname,True) ||
!$this->isset_array($content,$idx))
{
break; // no auto-col-repeat
}
}
$col = $this->num2chrs($c);
//$row_data[$col] = $this->show_cell($cell,$content,$sel_options,$readonlys,$cname,$c,$r,$span);
$widget = &$this->show_cell($cell,$content,$sel_options,$readonlys,$cname,$c,$r,$span,$result);
if (($colspan = $span == 'all' ? $this->cols-$c : 0+$span) < 1)
{
$colspan = 1;
}
if ($widget)
{
$widget->show();
if ($align = ($cell['align'] || $valign))
{
switch ($cell['align'])
{
case 'center':
$align = 0.5;
break;
case 'right':
$align = 1.0;
break;
default:
$align = 0.0;
}
$align = &new GtkAlignment($align,$valign,$cell['type'] == 'hrule' ? 1.0 : 0.0,0.0);
$align->add($widget);
}
$table->attach($align ? $align : $widget, $c, $c+$colspan, $r, $r+1,GTK_FILL,GTK_FILL,0,0);
}
if ($row_data[$col] == '' && $this->rows == 1)
{
unset($row_data[$col]); // omit empty/disabled cells if only one row
continue;
}
if ($colspan > 1)
{
$row_data[".$col"] .= " COLSPAN=$colspan";
for ($i = 1; $i < $colspan; ++$i,++$c)
{
each($cols); // skip next cell(s)
}
}
elseif ($width[$col]) // width only once for a non colspan cell
{
$row_data[".$col"] .= ' WIDTH='.$width[$col];
$width[$col] = 0;
}
// $row_data[".$col"] .= $this->html->formatOptions($cell['align'],'ALIGN');
// $row_data[".$col"] .= $this->html->formatOptions($cell['span'],',CLASS');
}
$rows[$row] = $row_data;
// $rows[".$row"] .= $this->html->formatOptions($height,'HEIGHT');
list($cl) = explode(',',$class);
if ($cl == 'nmr')
{
$cl .= $nmr_alternate++ & 1; // alternate color
}
// $rows[".$row"] .= $this->html->formatOptions($cl,'CLASS');
// $rows[".$row"] .= $this->html->formatOptions($class,',VALIGN');
}
if (!$GLOBALS['egw_info']['etemplate']['styles_included'][$this->name])
{
// $style = $this->html->style($this->style);
$GLOBALS['egw_info']['etemplate']['styles_included'][$this->name] = True;
}
return $table;
}
function draw_image($area, $event, $pixbuf)
{
$pixbuf->render_to_drawable($area->window,
$area->style->fg_gc[GTK_STATE_NORMAL],
$event->area->x, $event->area->y,
$event->area->x, $event->area->y,
$event->area->width, $event->area->height,
GDK_RGB_DITHER_NORMAL,
$event->area->x, $event->area->y);
}
/**
* generates HTML for 1 input-field / cell
*
* calls show to generate included eTemplates. Again only an INTERMAL function.
* @param $cell array with data of the cell: name, type, ...
* @param for rest see show
* @return the generated HTML
*/
function show_cell($cell,$content,$sel_options,$readonlys,$cname,$show_c,$show_row,&$span,&$result)
{
if ($this->debug >= 3 || $this->debug == $cell['type'])
{
echo "<p>etemplate.show_cell($this->name,name='${cell['name']}',type='${cell['type']}',cname='$cname')</p>\n";
}
list($span) = explode(',',$cell['span']); // evtl. overriten later for type template
$name = $this->expand_name($cell['name'],$show_c,$show_row,$content['.c'],$content['.row'],$content);
// building the form-field-name depending on prefix $cname and possibl. Array-subscript in name
if (ereg('^([^[]*)(\\[.*\\])$',$name,$regs)) // name contains array-index
{
$form_name = $cname == '' ? $name : $cname.'['.$regs[1].']'.$regs[2];
eval(str_replace(']',"']",str_replace('[',"['",'$value = $content['.$regs[1].']'.$regs[2].';')));
$org_name = substr($regs[2],1,-1);
eval(str_replace(']',"']",str_replace('[',"['",'$var = &$result['.$regs[1].']'.$regs[2].';')));
}
else
{
$form_name = $cname == '' ? $name : $cname.'['.$name.']';
$value = $content[$name];
$org_name = $name;
$var = &$result[$name];
}
$readonly = $cell['readonly'] || $readonlys[$name] || $readonlys['__ALL__'];
if ($cell['disabled'] || $cell['type'] == 'button' && $readonly)
{
if ($this->rows == 1) {
return ''; // if only one row omit cell
}
$cell = $this->empty_cell(); // show nothing
$value = '';
}
if ($cell['onchange']) // values != '1' can only set by a program (not in the editor so far)
{
$options .= ' onChange="'.($cell['onchange']=='1'?'this.form.submit();':$cell['onchange']).'"';
}
if (strlen($label = $cell['label']) > 1)
{
$label = lang($label);
}
list($left_label,$right_label) = explode('%s',$label);
//echo "show_cell: type='$cell[type]', name='$cell[name]'-->'$name', value='$value'\n";
$widget = False;
switch ($cell['type'])
{
case 'label': // size: [[b]old][[i]talic]
$value = strlen($value) > 1 && !$cell['no_lang'] ? lang($value) : $value;
//if ($value != '' && strstr($cell['size'],'b')) $value = $this->html->bold($value);
//if ($value != '' && strstr($cell['size'],'i')) $value = $this->html->italic($value);
$html .= $value;
if ($value)
{
$widget = &new GtkLabel($value);
if ($cell['align'] != 'center')
{
$widget->set_justify($cell['align'] == 'right' ? GTK_JUSTIFY_RIGHT : GTK_JUSTIFY_LEFT);
}
}
break;
case 'raw':
//$html .= $value;
break;
case 'int': // size: [min][,[max][,len]]
case 'float':
list($min,$max,$cell['size']) = explode(',',$cell['size']);
if ($cell['size'] == '')
{
$cell['size'] = $cell['type'] == 'int' ? 5 : 8;
}
// fall-through
case 'text': // size: [length][,maxLength]
if ($readonly)
{
//$html .= $this->html->bold($value);
}
else
{
//$html .= $this->html->input($form_name,$value,'',$options.$this->html->formatOptions($cell['size'],'SIZE,MAXLENGTH'));
}
list($len,$max) = explode(',',$cell['size']);
$widget = &new GtkEntry();
$widget->set_text($value);
if ($max)
{
$widget->set_max_length($max);
}
$widget->set_editable(!$readonly);
if ($len)
{
$widget->set_usize($len*$this->font_width,0);
}
break;
case 'textarea': // Multiline Text Input, size: [rows][,cols]
//$html .= $this->html->textarea($form_name,$value,$options.$this->html->formatOptions($cell['size'],'ROWS,COLS'));
$widget = &new GtkText(null,null);
$widget->insert_text($value,strlen($value));
$widget->set_editable(!$readonly);
break;
/* case 'date':
if ($cell['size'] != '')
{
$date = split('[/.-]',$value);
$mdy = split('[/.-]',$cell['size']);
for ($value=array(),$n = 0; $n < 3; ++$n)
{
switch($mdy[$n])
{
case 'Y': $value[0] = $date[$n]; break;
case 'm': $value[1] = $date[$n]; break;
case 'd': $value[2] = $date[$n]; break;
}
}
}
else
{
$value = array(date('Y',$value),date('m',$value),date('d',$value));
}
if ($readonly)
{
$html .= $GLOBALS['egw']->common->dateformatorder($value[0],$value[1],$value[2]);
}
else
{
$html .= $this->sbox->getDate($name.'[Y]',$name.'[m]',$name.'[d]',$value,$options);
}
break;
*/ case 'checkbox':
if ($value)
{
$options .= ' CHECKED';
}
//$html .= $this->html->input($form_name,'1','CHECKBOX',$options);
$widget = &new GtkCheckButton($right_label);
$right_label = '';
$widget->set_active($value);
break;
case 'radio': // size: value if checked
if ($value == $cell['size'])
{
$options .= ' CHECKED';
}
//$html .= $this->html->input($form_name,$cell['size'],'RADIO',$options);
if (isset($this->buttongroup[$form_name]))
{
$widget = &new GtkRadioButton($this->buttongroup[$form_name],$right_label);
}
else
{
$this->buttongroup[$form_name] = $widget = &new GtkRadioButton(null,$right_label);
}
$right_label = '';
$widget->set_active($value == $cell['size']);
break;
case 'button':
//$html .= $this->html->submit_button($form_name,$cell['label'],'',strlen($cell['label']) <= 1 || $cell['no_lang'],$options);
$widget = &new GtkButton(strlen($cell['label']) > 1 ? lang($cell['label']) : $cell['label']);
$widget->connect_object('clicked', array('etemplate', 'button_clicked'),&$var,$form_name);
break;
case 'hrule':
//$html .= $this->html->hr($cell['size']);
$widget = &new GtkHSeparator();
break;
case 'template': // size: index in content-array (if not full content is past further on)
if ($this->autorepeat_idx($cell,$show_c,$show_row,$idx,$idx_cname) || $cell['size'] != '')
{
if ($span == '' && isset($content[$idx]['span']))
{ // this allows a colspan in autorepeated cells like the editor
$span = explode(',',$content[$idx]['span']); $span = $span[0];
if ($span == 'all')
{
$span = 1 + $content['cols'] - $show_c;
}
}
$readonlys = $readonlys[$idx];
$content = $content[$idx];
$var = &$result[$idx];
if ($idx_cname != '')
{
$cname .= $cname == '' ? $idx_cname : "[$idx_cname]";
}
//echo "<p>show_cell-autorepeat($name,$show_c,$show_row,cname='$cname',idx='$idx',idx_cname='$idx_cname',span='$span'): readonlys[$idx] ="; _debug_array($readonlys);
}
else
{
$var = &$result;
}
if ($readonly)
{
$readonlys['__ALL__'] = True;
}
$templ = is_object($cell['name']) ? $cell['name'] : new etemplate($name);
$templ->widgets = &$this->widgets;
//$html .= $templ->show($content,$sel_options,$readonlys,$cname,$show_c,$show_row);
$widget = $templ->show($var,$content,$sel_options,$readonlys,$cname,$show_c,$show_row);
break;
case 'select': // size:[linesOnMultiselect]
if (isset($sel_options[$name]))
{
$sel_options = $sel_options[$name];
}
elseif (isset($sel_options[$org_name]))
{
$sel_options = $sel_options[$org_name];
} elseif (isset($content["options-$name"]))
{
$sel_options = $content["options-$name"];
}
//$html .= $this->sbox->getArrayItem($form_name.'[]',$value,$sel_options,$cell['no_lang'],$options,$cell['size']);
reset($sel_options);
for ($maxlen=0; list($key,$val) = each($sel_options); )
{
if (!$cell['no_lang'])
{
$sel_options[$key] = lang($val);
}
if (($len = strlen($sel_options[$key])) > $maxlen)
{
$maxlen = $len;
}
}
$widget = &new GtkCombo();
$widget->set_popdown_strings($sel_options);
$entry = $widget->entry;
$entry->set_text($sel_options[$value]);
$entry->set_editable(False);
$entry->set_usize($maxlen*$this->font_width,0);
if ($cell['onchange'] == '1')
{
$entry->connect('changed',array('etemplate', 'submit'));
}
break;
/* case 'select-percent':
$html .= $this->sbox->getPercentage($form_name,$value,$options);
break;
case 'select-priority':
$html .= $this->sbox->getPriority($form_name,$value,$options);
break;
case 'select-access':
$html .= $this->sbox->getAccessList($form_name,$value,$options);
break;
case 'select-country':
$html .= $this->sbox->getCountry($form_name,$value,$options);
break;
case 'select-state':
$html .= $this->sbox->list_states($form_name,$value); // no helptext - old Function!!!
break;
case 'select-cat':
$html .= $this->sbox->getCategory($form_name.'[]',$value,$cell['size'] >= 0,
False,$cell['size'],$options);
break;
case 'select-account':
$type = substr(strstr($cell['size'],','),1);
if ($type == '')
{
$type = 'accounts'; // default is accounts
}
$html .= $this->sbox->getAccount($form_name.'[]',$value,2,$type,0+$cell['size'],$options);
break;
*/ case 'image':
if (!($path = $GLOBALS['egw']->common->image(substr($this->name,0,strpos($this->name,'.')),$cell['label'])))
$path = $cell['label']; // name may already contain absolut path
if (!isset($GLOBALS['egw_info']['etemplate']['pixbufs'][$path]))
{
$GLOBALS['egw_info']['etemplate']['pixbufs'][$path] = GdkPixbuf::new_from_file('../..'.$path);
}
$pixbuf = &$GLOBALS['egw_info']['etemplate']['pixbufs'][$path];
if ($pixbuf)
{
$widget = &new GtkDrawingArea();
$widget->size($pixbuf->get_width(),$pixbuf->get_height());
$widget->connect('expose_event',array('etemplate','draw_image'),$pixbuf);
}
else
{
echo "Can't load image '$path'";
}
break;
default:
//$html .= '<i>unknown type</i>';
$widget = &new GtkLabel('unknown type: '.$cell['type']);
$widget->set_justify(GTK_JUSTIFY_LEFT);
break;
}
if ($widget && !$readonly && !$this->no_result[$cell['type']])
{
$this->widgets[] = array(
'widget' => &$widget,
'type' => $cell['type'],
'set_val' => $cell['type'] == 'radio' ? $cell['size'] : $sel_options,
'name' => $form_name,
'readonly' => $readonly
);
}
if ($cell['type'] != 'button' && $cell['type'] != 'image' && ($left_label || $right_label))
{
if (!$widget && !$right_label)
{
$widget = &new GtkLabel($left_label);
}
else
{
$hbox = &new GtkHBox(False,5);
if ($left_label)
{
$left = &new GtkLabel($left_label);
$left->show();
$hbox->add($left);
}
if ($widget)
{
$widget->show();
$hbox->add($widget);
}
if ($right_label)
{
$right = &new GtkLabel($right_label);
$right->show();
$hbox->add($right);
}
}
}
if ($cell['help'] && $widget)
{
if (!$this->tooltips)
{
$this->tooltips = &new GtkTooltips();
}
$this->tooltips->set_tip($widget,lang($cell['help']),$this->name.'/'.$form_name);
}
return $hbox ? $hbox : $widget;
}
};