HtmlGridRow.php

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<?php
namespace Ajax\bootstrap\html\content;

use Ajax\bootstrap\html\base\CssSize;
use Ajax\JsUtils;

use Ajax\bootstrap\html\base\HtmlBsDoubleElement;

class HtmlGridRow extends HtmlBsDoubleElement {
    private $cols;
    public function __construct($identifier,$numCols=NULL){
        parent::__construct($identifier,"div");
        $this->setProperty("class", "row");
        $this->cols=array();
        if(isset($numCols)){
            $numCols=min(12,$numCols);
            $numCols=max(1,$numCols);
            $width=12/$numCols;
            for ($i=0;$i<$numCols;$i++){
                $this->addCol(CssSize::SIZE_MD,$width);
            }
        }
    }

    public function addCol($size=CssSize::SIZE_MD,$width=1){
        $col=new HtmlGridCol($this->identifier."-col-".(sizeof($this->cols)+1),$size,$width);
        $this->cols[]=$col;
        return $col;
    }

    public function addColAt($size=CssSize::SIZE_MD,$width=1,$offset=1){
        $col=$this->addCol($size,$width);
        return $col->setOffset($size, max($offset,sizeof($this->cols)+1));
    }

    public function getCol($index,$force=true){
        $result=null;
        if($index<sizeof($this->cols)+1){
            $result=$this->cols[$index-1];
        }else if ($force){
            $result=$this->addColAt(CssSize::SIZE_MD,1,$index);
        }
        return $result;
    }

    public function getColAt($offset,$force=true){
        $result=null;
        foreach ($this->cols as $col){
            $offsets=$col->getOffsets();
            if($result=array_search($offset, $offsets)){
                break;
            }
        }
        if(!$result || isset($result)===false){
            $result=$this->getCol($offset,$force);
        }
        return $result;
    }

    public function compile(JsUtils $js=NULL, &$view=NULL) {

        foreach ($this->cols as $col){
            $this->addContent($col);
        }
        return parent::compile($js,$view);
    }
    public function getCols() {
        return $this->cols;
    }

    public function setContentForAll($content){
        foreach ($this->cols as $col){
            $col->setContent($content);
        }
    }
    public function merge($size=CssSize::SIZE_MD,$start,$width){
        $col=$this->getColAt($start,false);
        if(isset($col)){
            $col->setWidth($size,$width+1);
            $this->delete($size,$start+1, $width);
        }
    }
    public function delete($size=CssSize::SIZE_MD,$start,$width){
        while($start<sizeof($this->cols)+1 && $width>0){
            $col=$this->getColAt($start,false);
            if(isset($col)){
                $widthCol=$col->getWidth($size);
                if($widthCol<=$width){
                    unset($this->cols[$start-1]);
                    $this->cols = array_values($this->cols);
                    $width=$width-$widthCol;
                }
            }else{
                $width=0;
            }
        }
    }
}