design_area_menu_stalks.inc

<?php
require_once SQ_CORE_PACKAGE_PATH.'/designs/design_areas/menu/design_area_menu_recursive/design_area_menu_recursive.inc';

class Design_Area_Menu_Stalks extends Design_Area_Menu_Recursive
{
    public $arrow_width  = 4;

    public $arrow_height = 6;


    public function setAttrValue($name, $value)
    {
        // make sure the aligment is lower case
        switch ($name) {
            case 'alignment' :
                $value = strtolower($value);
            break;

            case 'min_height' :
                $value = (int) $value;
                if ($value <= 0) {
                    trigger_localised_error('CORE0177', E_USER_WARNING, $name);
                    return FALSE;
                }
            break;
        }//end switch

        return parent::setAttrValue($name, $value);

    }//end setAttrValue()


    public function printRecursiveFn()
    {
        $use_blanks  = !$this->attr('show_stalks');
        $cell_class = '';
        if ($this->settingExists('class')) {
            ob_start();
            $this->printVar('settings.class', Array());
            $cell_class = ' class="'.ob_get_contents().'"';
            ob_end_clean();
        }//end if


        ob_start();
        echo '
                <td'.$cell_class.' style="vertical-align: top;"><img alt="" src="';
        if ($use_blanks) {
            echo '<', '?php echo $blank_src; ?', '>';
        } else {
            echo '<', '?php echo (($'.$this->attr('id_name').'_current_setting == \'current\') ? $stalk_prefix.\'arrow.png\' : $blank_src); ?', '>';

        }
        echo '" width="'.$this->arrow_width.'" height="'.$this->attr('min_height').'" /></td>';
        $arrow_contents = ob_get_contents();
        ob_end_clean();



        ob_start();
        if ($asset_contents = $this->attr('asset_contents')) {
            $this->_tmp['outputting_asset_section'] = TRUE;
            foreach ($asset_contents as $item) {
                $this->_printContentItemCode($item);
            }
            unset($this->_tmp['outputting_asset_section']);
        }//end if

        $asset_contents = '
                <td'.$cell_class.' style="width: 100%; vertical-align: top; text-align: '.$this->attr('alignment').';'.(($this->attr('word_wrap')) ? '' : ' white-space: nowrap;').'">'.ob_get_contents().'</td>
        ';
        ob_end_clean();

        // if we are using ellipsis, then we need to include general/general.inc
        if ($this->attr('ellipsis_length') > 0) {
            echo 'require_once SQ_FUDGE_PATH.\'/general/general.inc\';';
        }

        $unwanted_types = $this->attr('unwanted_asset_types');
        $all_type_codes = Array();
        foreach ($unwanted_types as $type) {
            if (!empty($type)) {
                $all_type_codes = array_merge($all_type_codes, $GLOBALS['SQ_SYSTEM']->am->getTypeDescendants($type, TRUE));
            }
        }
        $unwanted_types = $all_type_codes;

        echo '

        function '.$this->attr('id_name').'_recursive_fn($level, $parentid, $'.$this->attr('id_name').'_base_url, $depth=Array())
        {
            global $RECURSIVE_MENU_ASSET_LINEAGE;
            static $'.$this->attr('id_name').'_settings = '.var_export($this->_getSettingsArray(), TRUE).';

            $blank_src    = sq_web_path(\'lib\').\'/web/images/blank.gif\';
            $stalk_prefix = sq_web_path(\'data\').\'/'.$this->data_path_suffix.'/\';

            // The indenting level, stalk on/off
            $depth[] = true;
            $depth_count = count($depth);

            $'.$this->attr('id_name').'_lineage_assetid = (empty($RECURSIVE_MENU_ASSET_LINEAGE[$level + 1])) ? 0 : $RECURSIVE_MENU_ASSET_LINEAGE[$level + 1][\'assetid\'];
            $'.$this->attr('id_name').'_lineage_setting = (count($RECURSIVE_MENU_ASSET_LINEAGE) - 1 == $level + 1) ? \'current\' : \'hierarchy\';
            $'.$this->attr('id_name').'_urls = $GLOBALS[\'SQ_SYSTEM\']->am->getAssetURL(array_keys($GLOBALS[\'MENU_DATA\']['.$this->_safeStringLiteral($this->attr('id_name')).'][$parentid]), $'.$this->attr('id_name').'_base_url);

#           pre_echo("Lineage Setting : $'.$this->attr('id_name').'_lineage_setting");
#           pre_echo("Lineage Assetid : $'.$this->attr('id_name').'_lineage_assetid");
            $num_kids = count($GLOBALS[\'MENU_DATA\'][\''.$this->attr('id_name').'\'][$parentid]);
            $i = 0;
            foreach ($GLOBALS[\'MENU_DATA\']['.$this->_safeStringLiteral($this->attr('id_name')).'][$parentid] as $'.$this->attr('id_name').'_row) {
                $i++;
                $end = ($i == $num_kids);';

        if (!empty($unwanted_types)) {
            $unwanted_types_literal_array = 'Array("'.implode('", "', $unwanted_types).'")';
            echo '
                if (in_array($'.$this->attr('id_name').'_row[\'type_code\'], '.$unwanted_types_literal_array.')) continue ;';
        }//end if

        echo '
                // if not live, we have to get the proper object, sorry
                if (((int) $'.$this->attr('id_name').'_row[\'status\'] & SQ_STATUS_LIVE) == 0) {
                    $'.$this->attr('id_name').'_obj = $GLOBALS[\'SQ_SYSTEM\']->am->getAsset($'.$this->attr('id_name').'_row[\'assetid\'], $'.$this->attr('id_name').'_row[\'type_code\']);
                } else {
                    unset($'.$this->attr('id_name').'_obj);
                }
                $'.$this->attr('id_name').'_current_setting = ($'.$this->attr('id_name').'_lineage_assetid == $'.$this->attr('id_name').'_row[\'assetid\']) ? $'.$this->attr('id_name').'_lineage_setting : \'normal\';
#               pre_echo("CURRENT SETTING : ".$'.$this->attr('id_name').'_current_setting);
            ?', '>
            <div style="text-align: '.$this->attr('alignment').';">
            <table cellpadding="0" cellspacing="0" border="0" width="100%">
                <tr>
            ';

        if ($this->attr('alignment') == 'right') {
            echo $asset_contents;
        }

        if ($this->attr('indent')) {

            if ($this->attr('alignment') == 'right') {
                echo $arrow_contents;
            }

            echo '
            <', '?php
            ';

            // depending on the alignment differs how we loop through the array
            if ($this->attr('alignment') == 'left') {
                echo '
                for ($j = 0; $j < $depth_count; $j++) {
                ';
            } else {
                echo '
                for ($j = $depth_count - 1; $j >= 0; $j--) {
                ';
            }

            echo '?', '>
                    <td'.$cell_class;

                    if ($use_blanks) {
                        echo ' style="vertical-align: top;"><img alt="" src="<', '?php echo $blank_src; ?', '>" width="'.$this->attr('indent').'" height="'.$this->attr('min_height').'" /></td>';
                    } else {
                        // if there is the need to a stalk
                        // and if we are at the end of a sub listing and
                        // not it the indent closest to the text (which will have the end branch)
                        echo '<', '?php
                        if ($depth[$j] && !($end && ($j == $depth_count - 1)))
                            echo \' style="vertical-align:top; background-image:url(\', $stalk_prefix, \'stalk.png); background-repeat: repeat-y;"\';

                        ?', '>><img alt="" src="<', '?php
                        if ($j != $depth_count - 1) {
                            echo $blank_src.\'"\';
                        } elseif ($end) {
                            echo $stalk_prefix, \'endbranch.png"\';
                        } else {
                            echo $stalk_prefix, \'branch.png"\';
                        }

                        ?', '> width="'.$this->attr('indent').'" height="'.$this->attr('min_height').'" /></td>';

                    }//end if $use_blanks
        echo '
                <', '?php
                }//end for depth count

            ?', '>';

            if ($this->attr('alignment') == 'left') {
                echo $arrow_contents;
            }

        }//end if

        if ($this->attr('alignment') == 'left') {
            echo $asset_contents;
        }

        echo '

                    </tr>
                </table>
                </div>
                <', '?php

            ';

        // if we are to show a minimum number of levels, add an extra bit to the condition

        $recurse_condition = '$'.$this->attr('id_name').'_current_setting != \'normal\'';


        if ($this->attr('min_num_levels') > 0) {
            $recurse_condition = '$level < '.($this->attr('min_num_levels') + $this->attr('level') - 1).' || '.$recurse_condition;
        }

        if ($this->attr('max_num_levels') > 0) {
            $recurse_condition = '$level < '.($this->attr('max_num_levels') + $this->attr('level') - 1).' && ('.$recurse_condition.')';
        }
        echo '
                if (('.$recurse_condition.') && !empty($GLOBALS[\'MENU_DATA\']['.$this->_safeStringLiteral($this->attr('id_name')).'][$'.$this->attr('id_name').'_row[\'assetid\']])) {
                    if ($end) $depth[$depth_count - 1] = false;
                    '.$this->attr('id_name').'_recursive_fn($level + 1, $'.$this->attr('id_name').'_row[\'assetid\'], $'.$this->attr('id_name').'_urls[$'.$this->attr('id_name').'_row[\'assetid\']], $depth);
                } // end if

            }//end for

        }//end '.$this->attr('id_name').'_recursive_fn()

        ';

    }//end printRecursiveFn()


    protected function _printInitCode()
    {
        if ($this->attr('show_stalks') && $this->attr('indent') && $this->attr('min_height')) {
            if (!$this->_createStalkImages($this)) return FALSE;
        }
        return parent::_printInitCode();

    }//end _printInitCode()


    protected function _createStalkImages()
    {

        $bg_colour = $this->attr('stalk_bg_colour');
        $fg_colour = $this->attr('stalk_fg_colour');

        $w = $this->attr('indent');
        $h = $this->attr('min_height');

        if (!$w || !$h) {
            return FALSE;
        }


        $direction = ($this->attr('alignment') == 'left') ? 'right' : 'left';

        $image_path = $this->data_path_public;

        //------------------------------------//

        require_once SQ_FUDGE_PATH.'/general/file_system.inc';
        require_once SQ_FUDGE_PATH.'/colour/colour.inc';

        if (!create_directory($image_path)) return FALSE;

        $transparent = FALSE;
        if (trim($bg_colour) == '') {
            // get a nice contrasting shade so we don't pick a colour to close to the FG
            // to use for transperancy
            $bg_colour = Colour::contrastingShade($fg_colour);
            $transparent = TRUE;
        }

        $bg_rgb = Colour::htmlToRgb($bg_colour, FALSE);
        $fg_rgb = Colour::htmlToRgb($fg_colour, FALSE);

        foreach (Array('stalk', 'arrow', 'branch', 'endbranch') as $image_name) {

            // create the image
            $img = ImageCreate(($image_name == 'arrow') ? $this->arrow_width : $w, $h);
            $bg  = ImageColorAllocate($img, $bg_rgb['r'], $bg_rgb['g'], $bg_rgb['b']);
            $fg  = ImageColorAllocate($img, $fg_rgb['r'], $fg_rgb['g'], $fg_rgb['b']);

            if ($transparent) ImageColorTransparent($img, $bg);

            if ($image_name == 'branch' || $image_name == 'endbranch' ) {
                if ($direction == 'left') {
                    $x1 = 0;
                    $x2 = floor($w / 2);
                } else {
                    $x1 = floor($w / 2);
                    $x2 = $w - 1;
                }
                ImageFilledRectangle($img, $x1, floor($h / 2), $x2, floor($h / 2), $fg);
            }//end if

            if ($image_name == 'branch' || $image_name == 'stalk' ) {
                ImageFilledRectangle($img, floor($w / 2), 0, floor($w / 2), $h - 1, $fg);
            }//end if

            if ($image_name == 'endbranch') {
                ImageFilledRectangle($img, floor($w / 2), 0, floor($w / 2), floor($h / 2), $fg);
            }//end if

            if ($image_name == 'arrow') {
                if ($direction == 'left') {
                    $x1  = $this->arrow_width - 1;
                    $multiplier = -1;
                } else {
                    $x1  = 0;
                    $multiplier = 1;
                }
                $y1 = floor($h / 2) - ($this->arrow_height / 2);

                $points = Array(
                            $x1,
                            $y1,
                            $x1 + ($multiplier * ($this->arrow_width - 1)),
                            $y1 + ($this->arrow_height / 2),
                            $x1,
                            $y1 + $this->arrow_height,
                          );
                ImageFilledPolygon($img, $points, 3, $fg);
            }//end if

            ImagePng($img, $image_path.'/'.$image_name.'.png');
            ImageDestroy($img);

        }//end foreach

        return TRUE;

    }//end _createStalkImages()


}//end class
?>