Magento admin block does not appear - magento

Question

I am experiencing very strange issue:
i have a module and it works in magento 1.4.0.0 - 1.7
recently i have someone that this module does not show in backend.
this the xml layout code
<reference name="content">
<block output="toHtml" type="syncer/adminhtml_mapping" template="wisepricer/mapping.phtml" name="wisepricer.mapping" />
</reference>
another peace of xml layout which goes to head - does appear.
i saw that it finds the block class (if you put die in the block constructor - it works).
But if you put die in the template - nothing. No logging about this.
the path to the template adminhtml/default/default/template/wisepricer/mapping.phtml
any ideas?
thanks
edit:
thanks for the reply guys, here is the additional info:
block declaration in config.xml
<blocks>
<syncer>
<class>Wisepricer_Syncer_Block</class>
</syncer>
</blocks>
part of the block class
<?php
/******************************************
* wisepricer *
******************************************/
class Wisepricer_Syncer_Block_Adminhtml_Mapping extends Mage_Adminhtml_Block_Template
{
function __construct() {
$this->setTemplate("wisepricer/mapping.phtml");
}
public function getHeader(){
$header = "Wisepricer Mapping";
return $header;
}
layout.xml
<?xml version="1.0"?>
<layout version="0.1.0">
<adminhtml_syncer_mapping>
<reference name="head">
<action method="addItem"><type>skin_js</type> <name>wisepricer/prototype17.js</name></action>
<action method="addItem"><type>skin_js</type> <name>wisepricer/chosen.proto.js</name></action>
<action method="addCss"><stylesheet>wisepricer/wisepricer.css</stylesheet> </action>
<action method="addCss"><stylesheet>wisepricer/chosen.css</stylesheet> </action>
<action method="addItem"><type>skin_js</type> <name>wisepricer/chosen.proto.js</name></action>
</reference>
<reference name="content">
<block output="toHtml" type="syncer/adminhtml_mapping" template="wisepricer/mapping.phtml" name="wisepricer.mapping" />
</reference>
</adminhtml_syncer_mapping>
</layout>
template
<?php
$adminobj= new Mage_Adminhtml_Block_Template();
$formkey=$adminobj->getFormKey();
$licenseData=Mage::getModel('wisepricer_syncer/config')->load(1);
?>
<form id="mapping_form" name="mapping_form" method="post" action="<?php echo $this->getUrl('*/*/savemapping')?>">
<input name="form_key" type="hidden" value="<?php echo Mage::getSingleton('core/session')->getFormKey() ?>" />
<input name="mapping_form[stock]" type="hidden" value="qty" />
<div class="top_block">
<div class="top_block_left">
<div class="inner-cont">
<img src="<?php echo $this->getSkinUrl('images/wisepricer/wp-logo.png'); ?>"/>
</div>
</div>
<div class="top_block_right">
<button class="wp-save-btn" onclick="return beforeSubmit()"></button>
</div>
</div>
<div class="mid_block">
<div class="mid_block_left">
<div class="guidelines">
<div class="guidelines-block">
<p><?php echo $this->__('Enter your WisePricer license key you received from WisePricer. This will link this store with your WisePricer account.')?></p>
</div>
<div class="guidelines-block import-guidelines">
<p><?php echo $this->__('Choose which products to import to WisePricer.')?></p>
</div>
<div class="guidelines-block mapping-guidelines">
<h4><?php echo $this->__('Wisepricer mapping guidelines:')?></h4>
<ul>
<li id="rule1"><?php echo $this->__('If you have <span class="field">UPC</span> or <span class="field">ASIN</span> then fields <span class="field">BRAND</span>,<span class="field">MODEL</span>,<span class="field">MPN</span> are not required.')?></li>
<li id="rule2"><?php echo $this->__('If you don\'t have <span class="field">UPC</span> or <span class="field">ASIN</span>, then you should have at least one of the following combinations: <span class="field">BRAND+MODEL</span> or <span class="field">BRAND+MPN</span>')?></li>
<li id="rule3"><?php echo $this->__('You must have either <span class="field">COST</span> or <span class="field">MINPRICE</span> or, you can set fixed rule for <span class="field">MINPRICE</span>')?></li>
<li><?php echo $this->__('<span class="field">NAME</span>, <span class="field">SKU</span>, and <span class="field">PRICE</span> fields are required')?></li>
<li><?php echo $this->__('Other fields are not required, but having them will increase your ability to interact with them within WisePricer(e.g. setting advanced rules, better matching and more)')?></li>
</ul>
</div>
</div>
</div>
<div class="mid_block_right">
<div class="values-block">
<div class="license-block">
<div class="label-block"><label><?php echo $this->__('Enter your License key')?> <span class="required">*</span></label></div>
<input type="text" value="<?php echo $licenseData->getLicensekey()?>" class="input-text required-entry" name="register_form[licensekey]" />
</div>
</div>
<div class="values-block">
<div class="license-block import-settings">
<div class="values-block-sub b10">
<div class="label-block"><label><?php echo $this->__('Import:')?></label></div>
<?php echo $this->renderWebsitesSelect($licenseData->getWebsite())?>
</div>
<div class="values-block-sub b10">
<div class="label-block"><label><?php echo $this->__('Product types:')?></label></div>
<?php echo $this->renderTypesSelect($licenseData->getProduct_type())?>
</div>
<div class="values-block-sub b10 check-block">
<div class="label-block b0"><label><?php echo $this->__('Do not import out of stock items')?></label></div>
<input type="checkbox" name="register_form[import_outofstock]" <?php echo $this->getImportOutStockSet();?>/>
</div>
<div class="values-block-sub check-block">
<div class="label-block b0"><label><?php echo $this->__('Reprice Configurable')?></label></div>
<input type="checkbox" name="register_form[reprice_configurable]" <?php if($licenseData->getReprice_configurable()){ echo 'checked';}?>/>
<p class="wptip"><?php echo $this->__('The Configurable product will be assigned to the price of his cheapest child')?></p>
</div>
</div>
</div>
<p><?php echo $this->__('Please make sure the following fields are assigned correctly:');?></p>
<div class="values-block">
<table cellspacing="0" class="form-list">
<tr class="t-header">
<td><strong><?php echo $this->__('Required Fields')?></strong></td><td><strong><?php echo $this->__('Detected field')?></strong></td>
</tr>
<tr>
<td class="label firstcol"><span><?php echo $this->__('Title')?><span class="required">*</span></span></td>
<td class="input-ele"><?php echo $this->renderAttributesSelect('mapping_form[title]','title','name','required-entry chzn-select')?></td>
<td></td>
</tr>
<tr>
<td class="label firstcol"><span><?php echo $this->__('SKU')?><span class="required">*</span></span></td>
<td class="input-ele"><?php echo $this->renderSkuIdSelect('mapping_form[sku]','sku','sku','required-entry chzn-select')?></td>
<td></td>
</tr>
<tr>
<td class="label firstcol"><span><?php echo $this->__('UPC')?></span></td>
<td class="input-ele">
<?php echo $this->renderAttributesSelect('mapping_form[upc]','upc','upc','chzn-select')?>
</td>
<td class="desc"><p><span><?php echo $this->__('Universal Product Code')?></span></p></td>
</tr>
<tr>
<td class="label firstcol"><span><?php echo $this->__('Brand')?></span></td>
<td class="input-ele"><?php echo $this->renderAttributesSelect('mapping_form[brand]','brand','brand','chzn-select')?></td>
<td></td>
</tr>
<tr>
<td class="label firstcol"><span><?php echo $this->__('Model')?></span></td>
<td class="input-ele"><?php echo $this->renderAttributesSelect('mapping_form[model]','model','model','chzn-select')?></td>
<td></td>
</tr>
<tr>
<td class="label firstcol"><span><?php echo $this->__('MPN')?></span></td>
<td class="input-ele"><?php echo $this->renderAttributesSelect('mapping_form[mpn]','mpn','mpn','chzn-select')?></td>
<td></td>
</tr>
<tr>
<td class="label firstcol"><span><?php echo $this->__('ASIN')?></span></td>
<td class="input-ele">
<?php echo $this->renderAttributesSelect('mapping_form[asin]','asin','asin','chzn-select')?>
</td>
<td class="desc"><p><span><?php echo $this->__('Amazon Standard Identification Number')?></span></p></td>
</tr>
<tr>
<td class="label firstcol"><span><?php echo $this->__('Price')?> <span class="required">*</span></span></td>
<td class="input-ele"><?php echo $this->renderPriceAttributesSelect('mapping_form[price]','price','price','required-entry chzn-select')?></td>
<td></td>
</tr>
<tr>
<td class="label firstcol"><span><?php echo $this->__('Cost')?></span></td>
<td class="input-ele"><?php echo $this->renderAttributesSelect('mapping_form[cost]','cost','0','chzn-select')?></td>
<td></td>
</tr>
<tr>
<td class="label firstcol"><span><?php echo $this->__('Product image')?></span></td>
<td class="input-ele"><?php echo $this->renderAttributesSelect('mapping_form[productimage]','productimage','image','chzn-select')?></td>
<td></td>
</tr>
<tr class="special-opt-cont">
<td colspan="2">
<div class="ship-price-cont minprice">
<div class="ship-price-cont-top">
<div class="label"><?php echo $this->__('MinPrice')?></div>
<div class="value"><?php echo $this->renderAttributesSelect('mapping_form[minprice]','minprice','cost','chzn-select')?></div>
</div>
<div class="ship-price-cont-mid"><span><?php echo $this->__('-Or-')?></span></div>
<div class="ship-price-cont-bott">
<div class="label"><?php echo $this->__('Set a minimum price:')?></div>
</div>
<div class="ship-price-cont-bott desc">
<p><span><?php echo $this->__('this will manually override the choosen attribute.')?></span></p>
</div>
<div class="ship-price-cont-bott">
<div class="label">
<input id="minprice_man" type="text" name="mapping_form[minprice_man]" value="<?php echo $this->getFixedMinPrice()?>"/>
<?php echo $this->renderMinPriceRuleSelects();?>
</div>
</div>
</div>
</td>
<td class="desc"><p><span><?php echo $this->__('Wisepricer will never price below the minimum price you set.')?></span></p></td>
</tr>
<tr>
<td colspan="2">
<div class="ship-price-cont">
<div class="ship-price-cont-top">
<div class="label"><?php echo $this->__('Shipping price')?></div>
<div class="value"><?php echo $this->renderAttributesSelect('mapping_form[shipping]','shipping','0','chzn-select')?></div>
</div>
<div class="ship-price-cont-mid"><span><?php echo $this->__('-Or-')?></span></div>
<div class="ship-price-cont-bott">
<div class="label"><?php echo $this->__('Enter fixed shipping price')?></div>
<div class="value"><input type="text" name="mapping_form[shipping_man]" value="<?php echo $this->getShippingFixedRate()?>"/></div>
</div>
<div class="ship-price-cont-bott desc">
<p><span><?php echo $this->__('this will manually override the choosen attribute.')?></span></p>
</div>
</div>
</td>
<td></td>
</tr>
</table>
</div>
</div>
</div>
<div class="bott_block">
<div class="bott_block_left"></div>
<div class="bott_block_right">
<button class="wp-save-btn" onclick="return beforeSubmit()"></button>
</div>
</div>
</form>
<style>
#wsp-mapping td{
line-height: 20px;
overflow: hidden;
padding: 0 0 20px;
vertical-align: top;
width: 230px;
}
#wsp-mapping td.second-val{
padding-left: 20px
}
#wsp-mapping{
padding-top: 20px
}
</style>
<script type="text/javascript">
document.observe('dom:loaded', function(evt) {
var select, selects, _i, _len, _results;
if (Prototype.Browser.IE && (Prototype.BrowserFeatures['Version'] === 6 || Prototype.BrowserFeatures['Version'] === 7)) {
return;
}
selects = $$(".chzn-select");
_results = [];
for (_i = 0, _len = selects.length; _i < _len; _i++) {
select = selects[_i];
_results.push(new Chosen(select,{disable_search_threshold: 50}));
}
deselects = $$(".chzn-select-deselect");
for (_i = 0, _len = deselects.length; _i < _len; _i++) {
select = deselects[_i];
_results.push(new Chosen(select,{allow_single_deselect:true}));
}
return _results;
});
var editForm = new varienForm('mapping_form');
function beforeSubmit(){
$('rule2').setStyle('border:none');
$('rule1').setStyle('border:none');
$('rule3').setStyle('border:none');
var upc=$('upc').value;
var brand=$('brand').value;
var model=$('model').value;
var asin=$('asin').value;
var mpn=$('mpn').value;
var minprice=$('minprice').value;
var cost=$('cost').value;
var minprice_man=$('minprice_man').value;
var isValid=false;
var failedRule=0;
if(upc!=''||asin!=''){
if(minprice!=''||(cost!=''&&minprice_man!='')){
editForm.submit();
return;
}else{
failedRule=3;
}
}
if((brand!=''&&model!='')||(brand!=''&&mpn!='')){
if(minprice!=''||(cost!=''&&minprice_man!='')){
editForm.submit();
return;
}else{
failedRule=3;
}
}
if(failedRule==3){
$('rule3').setStyle('border:red solid 1px');
}else{
$('rule2').setStyle('border:red solid 1px');
$('rule1').setStyle('border:red solid 1px');
}
alert(Translator.translate('Please follow instructions in your mapping listed on the left.'));
window.location.hash='rule1';
return false;
}
</script>