HasCheckboxesTrait.php

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<?php
namespace Ajax\semantic\widgets\datatable;

use Ajax\JsUtils;
use Ajax\semantic\html\modules\checkbox\HtmlCheckbox;
use Ajax\semantic\html\elements\HtmlLabel;
use Ajax\service\JArray;

trait HasCheckboxesTrait{
    protected $_hasCheckboxes;
    protected $_hasCheckedMessage=false;
    protected $_checkedMessage;
    protected $_checkedClass;
    protected $_checkedCallback;

    abstract public function addInToolbar($element,$callback=NULL);

    protected function _runCheckboxes(JsUtils $js){
        $js->execOn("change", "#".$this->identifier." [name='selection[]']:not(._jsonArrayChecked)", $this->_getCheckedChange($js));
        if(JArray::count($this->_compileParts)<3){
            $js->trigger("#".$this->identifier." [name='selection[]']","change",true);
        }
    }

    protected function _getCheckedChange(JsUtils $js=NULL){
        $callback="var \$parentCheckbox=\$('#ck-main-ck-{$this->identifier}'),\$checkbox=\$('#{$this->identifier} [name=\"selection[]\"]'),allChecked=true,allUnchecked=true;
                \$checkbox.each(function() {if($(this).prop('checked')){allUnchecked = false;}else{allChecked = false;}});
                if(allChecked) {\$parentCheckbox.checkbox('set checked');}else if(allUnchecked){\$parentCheckbox.checkbox('set unchecked');}else{\$parentCheckbox.checkbox('set indeterminate');};".$this->_getCheckedMessageCall($js);
        return $callback;
    }

    protected function _getCheckedMessageFunction(){
        $msg=$this->getCheckedMessage();
        $checkedMessageFunction="$('#{$this->identifier}').bind('updateChecked',function() {var msg='".$msg[0]."',count=\$('#{$this->identifier} [name=\"selection[]\"]:checked').length,all=\$('#{$this->identifier} [name=\"selection[]\"]').length;
        if(count==1) msg='".$msg[1]."';
                        else if(count>1) msg='".$msg["other"]."';
                        \$('#checked-count-".$this->identifier."').contents().filter(function() {return this.nodeType == 3;}).each(function(){this.textContent = msg.replace('{count}',count);});
                                \$('#toolbar-{$this->identifier} .visibleOnChecked').toggle(count>0);});\$('#toolbar-".$this->identifier." .visibleOnChecked').hide();";
        return $checkedMessageFunction;
    }

    protected function _getCheckedMessageCall(JsUtils $js=NULL){
        $checkedMessageCall="";
        if($this->_hasCheckedMessage){
            $checkedMessageCall="$('#{$this->identifier}').trigger('updateChecked');";
            if(isset($this->_checkedClass)){
                $checkedMessageCall.="$(this).closest('tr').toggleClass('".$this->_checkedClass."',$(this).prop('checked'));";
            }
            if(isset($js))
                $js->exec($this->_getCheckedMessageFunction(),true);
        }
        return $checkedMessageCall;
    }

    protected function _generateMainCheckbox(&$captions){
        $ck=new HtmlCheckbox("main-ck-".$this->identifier,"");
        $checkedMessageCall="";
        if($this->_hasCheckedMessage)
            $checkedMessageCall="$('#{$this->identifier}').trigger('updateChecked');";

            $ck->setOnChecked($this->_setAllChecked("true").$checkedMessageCall);
            $ck->setOnUnchecked($this->_setAllChecked("false").$checkedMessageCall);
            \array_unshift($captions, $ck);
    }

    protected function _setAllChecked($checked){
        $result="$('#".$this->identifier." [name=%quote%selection[]%quote%]:not(._jsonArrayChecked)').prop('checked',".$checked.");";
        if(isset($this->_checkedClass)){
            $result.="$('#".$this->identifier." tr').toggleClass('".$this->_checkedClass."',".$checked.");";
        }
        return $result;
    }

    public function getHasCheckboxes() {
        return $this->_hasCheckboxes;
    }

    public function setHasCheckboxes($_hasCheckboxes) {
        $this->_hasCheckboxes=$_hasCheckboxes;
        return $this;
    }

    protected function getCheckedMessage() {
        $result= $this->_checkedMessage;
        if(!isset($result)){
            $result=[0=>"none selected",1=>"one item selected","other"=>"{count} items selected"];
        }
        return $result;
    }

    public function setCheckedMessage(array $_checkedMessage) {
        $this->_checkedMessage=$_checkedMessage;
        return $this;
    }

    public function addCountCheckedInToolbar(array $checkedMessage=null,$callback=null){
        if(isset($checkedMessage))
            $this->_checkedMessage=$checkedMessage;
            $checkedMessage=$this->getCheckedMessage();
            $this->_hasCheckboxes=true;
            $this->_hasCheckedMessage=true;
            $element=new HtmlLabel("checked-count-".$this->identifier,$checkedMessage[0]);
            $this->addInToolbar($element,$callback);
    }

    public function setCheckedClass($_checkedClass) {
        $this->_checkedClass=$_checkedClass;
        return $this;
    }
    public function setCheckedCallback($checkedCallback) {
        $this->_checkedCallback = $checkedCallback;
    }

}