PHP Classes

File: as_propsheet.php

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File: as_propsheet.php
Role: Class source
Content type: text/plain
Description: Main classes module
Class: Property sheets drawing engine
Create Web based configuration wizards
Author: By
Last change: small bugfixes and improvements
Date: 17 years ago
Size: 12,188 bytes
 

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<? /** * @desc as_propsheet.php - PHP wrapper class for creating "Property Sheet"-like HTML pages * Tabs-style (default) and Wizard-style supported * @author Alexander Selifonov <as-works@narod.ru> * @link http://as-works.narod.ru/en/php/ * * @Copyright Alexander Selifonov, 2006-2007 * @version 1.04.006 * updated 2007-05-04 */ define('TABSTYLE',0); define('WIZARDSTYLE',1); # css class names that will be used in rendered HTML code if(!isset($as_cssclass)) $as_cssclass = array(); if(empty($as_cssclass['textfield'])) $as_cssclass['textfield'] = 'ibox'; if(empty($as_cssclass['button'])) $as_cssclass['button'] = 'button'; if(empty($as_cssclass['tactive'])) $as_cssclass['tactive'] = 'tblactive'; if(empty($as_cssclass['tinactive'])) $as_cssclass['tinactive'] = 'tblinactive'; if(empty($as_cssclass['pagebody'])) $as_cssclass['pagebody'] = 'pagebody'; if(empty($as_cssclass['pagebodywiz'])) $as_cssclass['pagebodywiz'] = 'pagebodywiz'; if(empty($as_cssclass['row_header'])) $as_cssclass['row_header'] = 'head'; # localized interface strings: if(empty($as_iface['btn_prev'])) $as_iface['btn_prev'] ='Previous'; if(empty($as_iface['btn_next'])) $as_iface['btn_next'] ='Next'; class CPropertyPage { var $tabtitle = ''; var $drawobject = ''; var $func_evtnext = ''; var $hidden = false; var $userparam1 = ''; // 4 user parameters passed to HTML-drawing function var $userparam2 = ''; var $userparam3 = ''; var $userparam4 = ''; function CPropertyPage($title,$drawfunc,$evtnext='', $param1='',$param2='',$param3='',$param4='',$hidden=false) { $this->tabtitle = $title; $this->drawobject = $drawfunc; $this->func_evtnext = $evtnext; $this->userparam1 = $param1; $this->userparam2 = $param2; $this->userparam3 = $param3; $this->userparam4 = $param4; $this->hidden = $hidden; } } class CFormField { var $fname = ''; var $ftype = 'text'; var $prompt = ''; var $initvalue = ''; var $options = ''; var $maxlength = 0; var $width = 0; var $title = ''; var $addparams = ''; var $onchange = ''; function CFormField($name,$type='text',$prompt='',$initvalue='',$vlist='', $maxlength=0,$width=0,$title='',$onchange='',$addprm='') { $this->fname = $name; $this->ftype = strtolower($type); $this->prompt = $prompt; $this->initvalue = $initvalue; $this->options = $vlist; $this->maxlength = $maxlength; $this->width = $width; $this->title = $title; $this->onchange = $onchange; $this->addparams = $addprm; } } class CPropertySheet { var $sheetid = ''; // unique Sheet id, used as prefix for all pages id's var $style = TABSTYLE; var $width = 800; var $height= 120; var $finishfunc = ''; var $finish_caption = 'Finish'; var $finish_enabled = false; var $pages = array(); function CPropertySheet($id, $width='',$height='',$sheetstyle=TABSTYLE) { $this->sheetid = $id; if($width!=='') $this->width = $width; if($height!=='') $this->height = $height; $this->style = $sheetstyle; } function AddPage($tabtitle,$drawfunc, $jsfunc_next='', $param1='',$param2='',$param3='',$param4='', $hidden=false) { $this->pages[] = new CPropertyPage($tabtitle,$drawfunc,$jsfunc_next, $param1,$param2,$param3,$param4,$hidden); } function SetFinishButton($function,$caption='',$enabled=false) { $this->finishfunc = $function; if($caption!='') $this->finish_caption = $caption; $this->finish_enabled = $enabled; } function Draw($startpage=0) { global $as_cssclass,$as_iface,$psheet_jsdone; if(count($this->pages)<1) return false; $twidth = intval(100/count($this->pages)); if($startpage===false) $startpage='0'; if(is_object($this->pages[$startpage]) && $this->pages[$startpage]->hidden) { #<3> // starting-page is hidden, so look for thr first visible page for($ipg=0;$ipg<count($this->pages); $ipg++) { if($ipg!=$startpage && !$this->pages[$ipg]->hidden) {$startpage=$ipg; break; } } } #<3> ?> <SCRIPT language="javascript"> var prop_events<?=$this->sheetid?> = []; var prop_curpage<?=$this->sheetid?> = <?=$startpage?>; function AsPropSheetSwitchPage<?=$this->sheetid?>(shid,no) { <? if($this->style==WIZARDSTYLE) { ?> var curpg = prop_curpage<?=$this->sheetid?>; var result = 1; if(no=='+1' && prop_events<?=$this->sheetid?>[curpg]!=undefined) try { result = eval(prop_events<?=$this->sheetid?>[curpg]); } catch(e) {alert("exception. Error name: "+e.name+". Error message: "+e.message); } if(!result) return; // wrong parameters, don't leave a page until he fix it ! if(no=='-1') {no = prop_curpage<?=$this->sheetid?> -=1; prop_curpage<?=$this->sheetid?>=no; } else if(no=='+1') { no = prop_curpage<?=$this->sheetid?>+=1; prop_curpage<?=$this->sheetid?>=no; } <? } ?> for(k=0;k< <?=count($this->pages)?>;k++) { <? if($this->style==TABSTYLE) { ?> window.document.getElementById(shid+k).className=(k==no)?'<?=$as_cssclass['tactive']?>':'<?=$as_cssclass['tinactive']?>'; <? } ?> var vpage = window.document.getElementById('as_page'+shid+k); vpage.style.display = (k==no)?'block':'none'; } <? if($this->style==WIZARDSTYLE) { ?> if(document.getElementById('asprbt_prev'+shid) != undefined) { document.getElementById('asprbt_prev'+shid).disabled = (prop_curpage<?=$this->sheetid?>==0); document.getElementById('asprbt_next'+shid).disabled=(prop_curpage<?=$this->sheetid?>+1 >=<?=count($this->pages)?>); } <? } ?> return false; } </SCRIPT> <div align='center'> <? if($this->style==TABSTYLE) { echo "<table border='0' width='{$this->width}' cellpadding=0 cellspacing=0><tr>"; for($kk=0;$kk<count($this->pages);$kk++) { $cls = ($kk==$startpage)? $as_cssclass['tactive']:$as_cssclass['tinactive']; $prompt = $this->pages[$kk]->tabtitle; $hid = ($this->pages[$kk]->hidden)? "style='display:none'" : ''; echo "<td width='{$twidth}%' align=center id='{$this->sheetid}{$kk}' onClick=\"AsPropSheetSwitchPage{$this->sheetid}('{$this->sheetid}',$kk)\" class='$cls' $hid>$prompt</td>\n"; } echo "</tr></table>"; } // now draw main area - FORM pages $cls = ($this->style==TABSTYLE)? $as_cssclass['pagebody']:$as_cssclass['pagebodywiz']; echo "<!-- prop sheet {$this->sheetid} begin--><table width='{$this->width}' border='0' height='{$this->height}' class='$cls'><tr>\n"; for($kk=0;$kk<count($this->pages);$kk++) { $displ = ($kk==$startpage)? '':"style='display:none'"; echo "<TD id='as_page{$this->sheetid}{$kk}' {$displ} valign='top'>\n"; if($this->style==WIZARDSTYLE) { echo "<h3 align='center'>{$this->pages[$kk]->tabtitle}</h3>\n"; } $lowclass = strtolower(get_class($this->pages[$kk]->drawobject)); if($lowclass=='cpropertysheet') { echo "<br>"; $this->pages[$kk]->drawobject->Draw(); echo "<br>"; } elseif(is_array($this->pages[$kk]->drawobject)) { $this->DrawFormPage($this->pages[$kk]->drawobject); } elseif(is_string($this->pages[$kk]->drawobject) && (function_exists($this->pages[$kk]->drawobject))) call_user_func($this->pages[$kk]->drawobject, $this->pages[$kk]->userparam1,$this->pages[$kk]->userparam2, $this->pages[$kk]->userparam3,$this->pages[$kk]->userparam4); else { echo "<!-- No drawing data for this page ($kk) -->"; } echo "\n</TD><!-- page as_page{$this->sheetid}{$kk} end -->\n"; } echo "</table><!-- prop sheet {$this->sheetid} end-->\n"; if($this->style==WIZARDSTYLE) { // register 'next' event functions echo '<SCRIPT language="javascript">'; for($kk=0;$kk<count($this->pages);$kk++){ if($this->pages[$kk]->func_evtnext!='') echo "prop_events{$this->sheetid}[$kk]='{$this->pages[$kk]->func_evtnext}';\n"; } echo "</SCRIPT>\n"; echo "<br><br><div align=center><!-- wizard buttons -->\n"; $prevdis = ($startpage==0)? 'disabled':''; $nextdis = ($startpage+1<count($this->pages))? '':'disabled'; echo "<button id='asprbt_prev{$this->sheetid}' name='bt_previous' class='{$as_cssclass['button']}' style='width:160' $prevdis onClick='AsPropSheetSwitchPage{$this->sheetid}(\"{$this->sheetid}\",\"-1\")'>{$as_iface['btn_prev']}</button>&nbsp;&nbsp; <button id='asprbt_next{$this->sheetid}' name='bt_next' class='{$as_cssclass['button']}' style='width:160' $nextdis onClick='AsPropSheetSwitchPage{$this->sheetid}(\"{$this->sheetid}\",\"+1\")'>{$as_iface['btn_next']}</button>"; if(!empty($this->finish_caption) && !empty($this->finishfunc)) { $finenab=$this->finish_enabled?'':'disabled'; echo "&nbsp;&nbsp;<button id='asprbt_finish{$this->sheetid}' name='bt_finish' class='{$as_cssclass['button']}' $finenab style='width:160' onClick='{$this->finishfunc}'>{$this->finish_caption}</button>"; } } echo "</div><!-- wizard buttons end -->\n"; } //Draw() end function DrawFormPage($fields, $initfunc='') { // echoes <input...> fields for all fields passed in $fields[] // fields[] = CFormField object global $as_cssclass; echo "<br><table width='100%'>\n"; for($ii=0; $ii<count($fields); $ii++) { #<3> if(!is_object($fields[$ii])) continue; $fname = $fields[$ii]->fname; $prompt = $fields[$ii]->prompt; $init = $fields[$ii]->initvalue; $addstr = ''; $style=''; if(!empty($fields[$ii]->maxlength)) $addstr .= " maxlength='{$fields[$ii]->maxlength}'"; if(!empty($fields[$ii]->addparams)) $addstr .= ' '.$fields[$ii]->addparams; if(!empty($fields[$ii]->title)) $addstr .= " title='{$fields[$ii]->title}'"; if(!empty($fields[$ii]->width)) $style.=" width:{$fields[$ii]->width};"; if($style!='') $style = " style='".trim($style)."'"; switch($fields[$ii]->ftype) { #<4> case 'head': echo "<tr class='{$as_cssclass['row_header']}'><td colspan=2 align='center' {$addstr}><b>$prompt</b></td></tr>\n"; break; case 'text': $init=str_replace("'",'"',$init); echo "<tr><td align='right'><b>$prompt</b></td><td><input type='text' name='$fname' class='{$as_cssclass['textfield']}'{$style}{$addstr} value='$init'></td></tr>\n"; break; case 'password': echo "<tr><td align='right'><b>$prompt</b></td><td><input type='password' name='$fname' class='{$as_cssclass['textfield']}' style='width:32' value='$init'></td></tr>\n"; break; case 'textarea': echo "<tr><td colspan=2><b>$prompt</b><br><TEXTAREA name='$fname' class='{$as_cssclass['textfield']}' {$addstr}>$init</TEXTAREA></td></tr>\n"; break; case 'checkbox': $chk = $init?'checked':''; $onClick= empty($fields[$ii]->onchange)? '':" onClick='{$fields[$ii]->onchange}'"; echo "<tr><td align='right'><b>$prompt</b></td><td><input type='checkbox' name='$fname' value='1' {$onClick} {$chk}></td></tr>\n"; break; case 'select': echo "<tr><td align='right'><b>$prompt</b></td><td><SELECT name='$fname' class='{$as_cssclass['textfield']}'{$style}>\n"; $lst = $fields[$ii]->options; if(is_array($lst)) foreach($lst as $key=>$vval) { $optval=is_array($vval)? $vval[0]:$key; $opttext=is_array($vval)? $vval[1]:$vval; $slct = ($optval==$init)? 'selected':''; echo "<OPTION value='$optval' $slct>$opttext</OPTION>\n"; } echo"</SELECT></td></tr>\n"; break; case 'button': $onClick= empty($fields[$ii]->onchange)? '':" onClick='{$fields[$ii]->onchange}'"; echo "<tr><td align='right'>&nbsp;</td><td><button name='$fname' class='{$as_cssclass['button']}' {$style}{$addstr}{$onClick}>$prompt</button></td></tr>\n"; break; } #<4> } #<3> echo "</table>"; } // DrawFormPage end } //CPropertySheet def. end ?>