Unlimited grading and tree node output

$strRe = '

';

By passing in simple raw data, you can derive n relationships between nodes, and you can output tree-like DOM Note: Please refer to the latest code on git.oschina.net (click "Source Sources" link) /** * Output Unlimited classification, I wrote the Oh ~ * * @author binny_w@qq.com * @since 2013-09-24 AM */ /* Use example */ /* $arrAll = Array ( Array (' id ' = + 1, ' name ' = ' = ' column category _1 ', ' name_en ' = ' cat_1 ', ' parent_id ' and ' = 0 '), Array (' id ' = + 2, ' name ' = ' = ' column category _2 ', ' name_en ' = ' cat_2 ', ' parent_id ' and ' = 0 '), Array (' id ' = + 3, ' name ' = ' = ' column category _3 ', ' name_en ' = ' cat_3 ', ' parent_id ' and ' = 1 '), Array (' id ' = + 4, ' name ' = ' = ' column category _4 ', ' name_en ' = ' cat_4 ', ' parent_id ' and ' = 1 '), Array (' id ' = + 5, ' name ' = ' = ' column category _5 ', ' name_en ' = ' cat_5 ', ' parent_id ' and ' = 2 '), Array (' id ' = + 6, ' name ' = ' = ' column category _6 ', ' name_en ' = ' cat_6 ', ' parent_id ' and ' = 4 '), Array (' id ' = + 7, ' name ' = ' = ' column category _7 ', ' name_en ' = ' cat_7 ', ' parent_id ' and ' = 6 '), Array (' id ' = + 8, ' name ' = ' = ' column category _8 ', ' name_en ' = ' cat_8 ', ' parent_id ' and ' = 7 '), Array (' id ' = + 9, ' name ' = ' = ' column category _9 ', ' name_en ' = ' cat_9 ', ' parent_id ' and ' = 6 ') ); $objT = new Treelist ($ARRALL); Print_r ($objT->arrall); Print_r ($objT->arridall); Print_r ($objT->arridchildren); Print_r ($objT->arridson); Print_r ($objT->arridleaf); Print_r ($objT->arridrelation); Print_r ($objT->arridrelationsimple); Print_r ($objT->arridroot); Print_r ($objT->arridbackpath); Print ($objT->gettable ()); Print ($objT->getselect (' Cat ', Array (1, 8), true)); */ !defined (' In_frame ') && die (' 404 Page '); Class Treelist { /** * Analyze all data that may be used */ Public $arrAll = Array (); Raw data Public $arrIdRelation = Array (); Multi-dimensional relationships by _id as key names Public $arrIdRelationSimple = Array (); Simplification of multidimensional relationships by _id as key names, used to output tree graphs Public $arrIdAll = Array (); An array of _id that convert raw data into a key name Public $arrIdSon = Array (); All parent-child relationships Public $arrIdLeaf = Array (); _id of leaf nodes Public $arrIdRoot = Array (); _id of the root node Public $arrIdChildren = Array (); Descendants of _id under each node Public $arrIdBackPath = Array (); Each node is inverted back to the root Public $strItem = ' {$STRSEP} {$name} '; Structure of the output tree /** * constructor, incoming raw data */ Public function __construct ($arrData) { $this->arrall = $arrData; $this->processdata (); } /** * Simple Tree */ Public Function gethtml () { return $this->genhtml (); } /** * Use table to draw trees */ Public Function getTable () { $this->stritem = '
{$STRSEP} {$name}	{$name}	{$name _en}

$strRe. = '

$strRe. = $this->genhtml ();

$strRe. = '

'; ';

structure	Chinese name	English name

';

return $strRe;

}

/**

* Displayed in the drop-down box

* Example:

* $objTreeList->getselect (' parent_id ', 0, False, ' class= ' Span5 "', Array (0, ' ≡ as a first column ≡ ')))

*/

Public Function getselect ($strName = ' tree ', $arrValue = Array (), $blmMulti = false, $strExt = ", $arrFirst = null) {

!is_array ($arrValue) && $arrValue = Array ($arrValue);

foreach ($this->arridall as $strTemp = + $arrTemp) {

$this->arridall[$strTemp] [' selected '] = ';

if (In_array ($arrTemp [' id '], $arrValue)) {

$this->arridall[$strTemp] [' selected '] = ' selected= ' selected ';

}

}

$this->stritem = '{$STRSEP} {$name} ';

$strRe = '

$strRe. = ($blmMulti? ' multiple= ' multiple "': '). (Empty ($STREXT)? '' : ' ' . $STREXT). ' > '; if (Is_array ($arrFirst) && count ($arrFirst) = = 2) {$strRe. = '' . $arrFirst [1]. ''; } $strRe. = $this->gethtml (). '';

return $strRe;

}

/*-----The following are private functions that handle data, such as recursion and looping, which are complex! ----- */

Private Function Helpforgetrelation ($arrData) {

$arrRe = Array ();

foreach ($arrData as $strTemp = = $arrTemp) {

$arrRe [$strTemp] = $arrTemp;

if (Isset ($this->arridrelation[$strTemp])) {

$arrRe [$strTemp] = $this->arridrelation[$strTemp];

}

if (count ($arrRe [$strTemp]) > 0) {

$arrRe [$strTemp] = $this->helpforgetrelation ($arrRe [$strTemp]);

} else {

Array_push ($this->arridleaf, $strTemp);

}

}

return $arrRe;

}

Private Function Helpforgetchildren ($arrData) {

$arrRe = Array_keys ($arrData);

foreach ($arrData as $arrTemp) {

$arrRe = Array_merge ($arrRe, $this->helpforgetchildren ($arrTemp));

}

return $arrRe;

}

Private Function Helpforgetbackpath ($STR) {

$arrRe = Array ();

$intTemp = $this->arridall[$str] [' parent_id '];

if ($intTemp > 0) {

$intTemp = ' _ '. $intTemp;

Array_push ($arrRe, $intTemp);

$arrRe = Array_merge ($arrRe, $this->helpforgetbackpath ($intTemp));

}

return $arrRe;

}

Private Function ProcessData () {

foreach ($this->arrall as $arrTemp) {

$strTemp = ' _ '. $arrTemp [' id '];

$this->arridall[$strTemp] = $arrTemp;

if ($arrTemp [' parent_id '] > 0) {

$strTemp _ = ' _ '. $arrTemp [' parent_id '];

!isset ($this->arridrelation[$strTemp _]) && $this->arridrelation[$strTemp _] = Array ();

$this->arridrelation[$strTemp _][$strTemp] = array ();

!isset ($this->arridson[$strTemp _]) && $this->arridson[$strTemp _] = Array ();

Array_push ($this->arridson[$strTemp _], $strTemp);

} else {

!isset ($this->arridrelation[$strTemp]) && $this->arridrelation[$strTemp] = array ();

Array_push ($this->arridroot, $strTemp);

}

}

$this->arridrelation = $this->helpforgetrelation ($this->arridrelation);

$this->arridleaf = Array_unique ($this->arridleaf);

foreach ($this->arridrelation as $strTemp = + $arrTemp) {

$this->arridchildren[$strTemp] = $this->helpforgetchildren ($arrTemp);

In_array ($strTemp, $this->arridroot) && $this->arridrelationsimple[$strTemp] = $arrTemp;

}

$arrTemp = Array_keys ($this->arridall);

foreach ($arrTemp as $strTemp) {

$this->arridbackpath[$strTemp] = $this->helpforgetbackpath ($strTemp);

}

}

Private Function Genseparator ($intLen) {

$strRe = ";

$i = 0;

while ($i < $intLen) {

$strRe. = '. (($i + 1 = = $intLen)? ' ├ ': ' │ ');

$i + +;

}

!empty ($strRe) && $strRe. = '-';

return $strRe;

}

Private Function genhtml ($arrRelation = null, $INTSEP = 0) {

$strRe = ";

Null = = = $arrRelation && $arrRelation = $this->arridrelationsimple;

foreach ($arrRelation as $strKey = = $arrTemp) {

if (count ($this->arridall[$strKey]) > 0) {

$strSep = $this->genseparator ($INTSEP);

Extract ($this->arridall[$strKey]);

Eval (' $strRe. = '. $this->stritem. '";');

Count ($arrTemp) > 0 && $strRe. = $this->genhtml ($arrTemp, ($intSep + 1));

}

}

return $strRe;

}

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