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<? |
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/* |
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## ----------------------------------------------------------------- |
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## $Id: TableBrowser.php,v 1.2 2002/12/18 22:38:49 jonen Exp $ |
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## ------------------------------------------------------------------ |
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## $Log: TableBrowser.php,v $ |
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## Revision 1.2 2002/12/18 22:38:49 jonen |
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## + added (semi-, needs rework!) paging of case 'list' |
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## |
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## Revision 1.1 2002/12/06 04:11:58 joko |
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## + initial check-in - moved here from core-lib |
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## |
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## Revision 1.9 2002/12/05 23:15:51 cvsjoko |
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## + added handler for iterating through 'list's (very normal arrays) |
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## |
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## Revision 1.8 2002/10/09 00:43:48 cvsjoko |
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## + bugfix: don't do errors if form-declaration does not exist |
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## |
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## Revision 1.7 2002/07/04 08:06:50 cvsmax |
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## + integrate 'table-browser' to gui-layout and code |
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## + create 'account_betsTB.page' |
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## + create 'home_account.page' |
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## |
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## Revision 1.6 2002/07/03 14:09:51 cvsmax |
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## + purged old code |
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## |
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## Revision 1.5 2002/06/30 01:43:09 cvsjoko |
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## + modified sort-order (now: up => ascending, down => descending) |
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## + isOnFirstPage, isOnLastPage |
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## |
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## Revision 1.4 2002/06/29 23:59:40 cvsjoko |
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## + conversion to unix |
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## |
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## Revision 1.3 2002/06/29 23:55:32 cvsjoko |
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## + column-sorting |
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## |
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## Revision 1.2 2002/06/29 08:31:55 cvsjoko |
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## + paging |
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## |
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## Revision 1.1 2002/06/29 02:53:37 cvsjoko |
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## no message |
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## |
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## |
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## ------------------------------------------------------------------ |
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*/ |
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|
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// to be used in two different cases: |
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// - iterating through db-resultsets |
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// - iterating through form-definitions |
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|
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class TableBrowser { |
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|
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// identification (for storing data to session-variable) |
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var $ident; |
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|
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// current status of TableEditor |
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var $status; |
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|
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// (temporary) buffer |
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var $buffer; |
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|
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function TableBrowser( $ident, $args = array() ) { |
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|
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// register session-var, if not yet done |
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global $table_state; |
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// TODO: if save state in session, each TableBrowser 'MUST' have |
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// its own session-var to support more than one TB at session |
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//if (!session_is_registered('table_state')) { |
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// session_register('table_state'); |
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//} |
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|
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// store ident to object-variable |
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$this->ident = $ident; |
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// store given args to object-variables |
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foreach($args as $key => $value) { |
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$this->$key = $value; |
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} |
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// mixin args to object-variables |
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if ($args[mixin]) { |
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foreach($args[mixin] as $key => $value) { |
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$this->$key = $value; |
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} |
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} |
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|
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// store paging-info to session |
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if ($this->reset || !$table_state[$this->ident][paging]) { |
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$table_state[$this->ident][paging] = $this->paging; |
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} |
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// store sorting-info to session |
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if ($this->reset || !$table_state[$this->ident][sorting]) { |
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$table_state[$this->ident][sorting] = $this->sorting; |
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} |
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|
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// modify paging-vars with control-vars |
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$control_paging = $_GET[t]; |
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if ($control_paging) { |
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$pagenumber = $table_state[$this->ident][paging][page]; |
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$pagenumber_max = $table_state[$this->ident][paging][pagemax]; |
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switch ($control_paging) { |
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case 'pl': |
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if ($pagenumber > 0) { $pagenumber--; } |
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break; |
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case 'pr': |
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if ($pagenumber_max && ($pagenumber < $pagenumber_max) ) { $pagenumber++; } |
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break; |
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} |
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$table_state[$this->ident][paging][page] = $pagenumber; |
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} |
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|
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// modify sorting-vars with control-vars |
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$control_sorting_down = $_GET[sd]; |
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$control_sorting_up = $_GET[su]; |
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// TODO: multiple-column-sorting |
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if ($control_sorting_down) { |
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$table_state[$this->ident][sorting][column] = $control_sorting_down; |
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$table_state[$this->ident][sorting][way] = 'down'; |
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} |
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if ($control_sorting_up) { |
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$table_state[$this->ident][sorting][column] = $control_sorting_up; |
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$table_state[$this->ident][sorting][way] = 'up'; |
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} |
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|
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} |
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|
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|
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function getContent() { |
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|
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global $table_state; |
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|
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# get some args from object-vars |
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$callback_head = $this->head_callback; |
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$callback_row = $this->row_callback; |
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|
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$paging = $table_state[$this->ident][paging]; |
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$sorting = $table_state[$this->ident][sorting]; |
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|
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# check if result from mysql or result is abstract form definition |
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switch ($this->type) { |
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case 'dbtable': |
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|
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// get base sql-string |
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$sql = $this->sqlbase; |
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|
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// modify sql (filters) |
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if (count($this->filters)) { |
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foreach($this->filters as $field => $criteria) { |
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$sql .= " AND $field $criteria"; |
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} |
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$sql .= $sql_add; |
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} |
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|
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// modify sql (sorting) |
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if ($sorting[enabled] && $sorting[column]) { |
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switch ($sorting[way]) { |
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case 'up': |
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$sorting_way_sql = 'ASC'; |
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break; |
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case 'down': |
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$sorting_way_sql = 'DESC'; |
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break; |
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} |
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$sql_add = " ORDER BY $sorting[column] $sorting_way_sql"; |
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$sql .= $sql_add; |
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} |
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|
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// modify sql (paging) |
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if ($paging[enabled]) { |
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// get count of rows |
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$res = send_sql($sql); |
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// store maxpages |
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//$table_state[$this->ident][paging][pagemax] = (mysql_num_rows($res) / $this->paging[pagesize]) - 1; |
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$table_state[$this->ident][paging][pagemax] = round(mysql_num_rows($res) / $this->paging[pagesize]) - 1; |
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$sql_add = " LIMIT " . $paging[page] * $paging[pagesize] . ", " . $paging[pagesize] * 1; |
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$sql .= $sql_add; |
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} |
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|
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// header |
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if ($this->sorting[enabled]) { |
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for ($i = 0; $i <= count($this->fields); $i++) { |
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$key = $this->fields[$i]; |
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$row[$key] = $this->captions[$i]; |
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$sort[$key][up][urlpart] = $this->getLinkPart('SortUp', $key); |
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$sort[$key][down][urlpart] = $this->getLinkPart('SortDown', $key); |
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} |
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$this->buffer .= $callback_head($row, $sort) . "\n"; |
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} |
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|
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// issue sql-command |
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//print $sql . "<br>"; |
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$res = send_sql($sql); |
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// iterate through database-result |
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while($row = mysql_fetch_array($res, MYSQL_ASSOC)) { |
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$this->buffer .= $callback_row($row) . "\n"; |
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} |
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break; |
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|
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case 'form_def': |
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# iterate through form-definition |
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if (!is_array($this->handle)) { |
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// TODO: use $this->debug! |
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if ($this->debug) { |
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print "missing form definition<br>"; |
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} |
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return; |
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} |
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reset($this->handle); |
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while($row = current($this->handle)) { |
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if (!$this->filters[keys] || in_array($row[title], $this->filters[keys])) { |
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$this->buffer .= $callback_row($row) . "\n"; |
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} |
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next($this->handle); |
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} |
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break; |
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|
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case 'list': |
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# iterate through form-definition |
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if (!is_array($this->handle)) { |
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// TODO: use $this->debug! |
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if ($this->debug) { |
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print "missing handle!<br>"; |
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} |
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return; |
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} |
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reset($this->handle); |
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|
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// modify sql (paging) |
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if ($paging[enabled]) { |
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// get count of rows |
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// store maxpages |
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//$table_state[$this->ident][paging][pagemax] = (mysql_num_rows($res) / $this->paging[pagesize]) - 1; |
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$table_state[$this->ident][paging][pagemax] = round(count($this->handle) / $this->paging[pagesize]) - 1; |
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$idx_start = $paging[page] * $paging[pagesize]; |
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for ($i = $idx_start; $i > 0; $i--) { |
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next($this->handle); |
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} |
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} |
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|
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$counter = 0; |
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while($row = current($this->handle)) { |
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if (!$this->filters[keys] || in_array($row[title], $this->filters[keys])) { |
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$this->buffer .= $callback_row($row) . "\n"; |
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} |
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next($this->handle); |
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$counter++; |
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if ($paging[pagesize] == $counter) { |
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break; |
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} |
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} |
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break; |
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|
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} |
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|
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return $this->buffer; |
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} |
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|
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function getLinkPart($key, $arg = '') { |
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switch($key) { |
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case 'PageLeft': |
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return '&t=pl'; |
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break; |
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case 'PageRight': |
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return '&t=pr'; |
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break; |
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case 'SortDown': |
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return '&sd=' . $arg; |
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break; |
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case 'SortUp': |
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return '&su=' . $arg; |
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break; |
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} |
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} |
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|
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function needsPagingControl() { |
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global $table_state; |
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$paging = $table_state[$this->ident][paging]; |
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return $paging[enabled]; |
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} |
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|
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function isOnFirstPage() { |
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global $table_state; |
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//print "p: " . $table_state[$this->ident][paging][page] . "<br>"; |
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return ($table_state[$this->ident][paging][page] == 0); |
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} |
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|
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function isOnLastPage() { |
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global $table_state; |
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//print "p: " . $table_state[$this->ident][paging][page] . "<br>"; |
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//print "pm: " . $table_state[$this->ident][paging][pagemax] . "<br>"; |
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return ($table_state[$this->ident][paging][page] == $table_state[$this->ident][paging][pagemax]); |
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} |
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|
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} |
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|
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?> |
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