HtmlConstructor.js
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/**
* Created by vitaliy on 21.04.15.
*/
function insertAfter(parent, node, referenceNode) {
parent.insertBefore(node, referenceNode.nextSibling);
}
function HtmlConstructor(area){
this.area = area;
this.div = document.createElement('div');
this.div.id = "new_html_block";
this.add_url='/add_brief_blocks';
this.section_id = document.getElementById('brief_block_id').value;
this.AjaxRequest = function(params, id){
this.update_url='/update_brief_blocks_fields/'+id ;
var XHR=window.XDomainRequest||window.XMLHttpRequest;
var xhr=new XHR();
xhr.open('POST',this.update_url,true);
xhr.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
xhr.onload=function(){this.response=null;};
xhr.onerror=function(){this.response="Error";};
xhr.send(params);
}
}
HtmlConstructor.prototype = {
getId: function(){
var blocks = document.getElementsByClassName('html_block');
var id = 0;
for(var i = 0; i < blocks.length; i++){
var dataset = blocks[i].dataset;
if(id < parseFloat(dataset.id)){
id = parseFloat(dataset.id);
}
}
var XHR=window.XDomainRequest||window.XMLHttpRequest;
var xhr=new XHR();
xhr.open('POST',this.add_url,false);
xhr.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
xhr.send('id='+(id+1)+'§ion_id='+ this.section_id);
var type = xhr.getResponseHeader("Content-Type");
return xhr.responseText;
},
createNewElement: function(data){
if(data) {
this.step = data.next_step;
this.params = data;
} else {
this.step = 'step-1';
}
switch (this.step) {
case 'step-1':
this.createStepOne();
break;
case 'step-2':
this.createStepTwo();
break;
case 'step-3':
this.createStepThree();
break;
default:
this.createStepOne();
}
},
createStepOne: function(){
var submit_button = '<input type="submit" class=" btn btn-success" name="Добавить">';
var label_input = '<input type="text" value="" name="label_name">';
var field_class = '<input type="text" value="" name="field_class">';
var cancel_button = '<a id="cancel" class="btn btn-warning" href="#">Отмена</a>';
var hidden_input = '<input type="hidden" id="step_input" value="step-2" name="next_step">';
var type_selector =
'<select id="select_type" name="block_type">'+
'<option>Выберите тип поля</option>'+
'<option value="text">input[text]</option>'+
'<option value="radio">input[radio]</option>'+
'<option value="checkbox">input[checkbox]</option>'+
'<option value="textarea">textarea</option>'+
'<option value="select" >select</option>'+
'<option value="p_tag" >p-tag</option>'+
'</select>';
var block =
'<label> Название '+label_input+'</label>'+
'<label> Класс '+field_class+'</label>'+
'<label> Тип '+type_selector+'</label>'+
submit_button+cancel_button+
hidden_input;
this.div.innerHTML = block;
this.area.appendChild(this.div);
var cancel = document.getElementById('cancel');
cancel.onclick = function(e){
e.preventDefault();
document.getElementById('new_html_block').remove();
var button = document.getElementById('addField');
button.style.display = 'block';
}
},
createStepTwo: function(){
var inputData = this.selectType(this.params);
this.textarea = document.createElement('textarea');
this.textarea.placeholder ='Введитекод элемента';
this.textarea.innerHTML =inputData;
this.textarea.name = 'block_html';
var targetNode = document.getElementById('select_type');
var stepInput = document.getElementById('step_input');
stepInput.value = 'step-3';
insertAfter( targetNode.parentNode, this.textarea, targetNode);
document.getElementById('select_type').disabled="disabled";
},
createStepThree: function(){
var id = this.getId();
var section_id = document.getElementById('brief_block_id').value;
this.new_div = document.createElement('div');
this.new_div.dataset.id = id;
this.new_div.id = this.new_div.dataset.id;
this.new_div.innerHTML = this.params.block_html;
console.log(this.params);
this.ajaxData = [];
this.ajaxData.html = this.new_div.outerHTML;
this.ajaxData.section_id = section_id;
this.ajaxData.type = this.params.block_type;
this.ajaxData.required = this.params.required;
this.ajaxData.block_id = this.new_div.dataset.id;
this.id = this.getId();
this.AjaxRequest(this.getParams().send_data, this.id);
this.final_div = document.createElement('div');
this.final_div.dataset.id = id;
this.final_div.className = 'field_row html_block';
var innerHtmlText = this.new_div.outerHTML +
'<p class="delete_field btn btn-danger">Удалить поле</p>'+
'<p class="update_field btn btn-primary" >Редактировать</p>';
this.final_div.innerHTML = innerHtmlText;
var oldBlock = document.getElementById('new_html_block');
this.area.replaceChild(this.final_div, oldBlock);
var button = document.getElementById('addField');
button.style.display = 'block';
},
getParams: function(){
for(p in this.ajaxData){
if( this.ajaxData[p]!==null&&typeof( this.ajaxData[p])!=='function'){
this.send_data=this.getCorrectParams()+p+'='+ this.ajaxData[p];
}
}
return this;
},
getCorrectParams: function(){
if(this.send_data !== null){
return this.send_data+'&';
} else {
return '';
}
},
selectType: function(data){
var id = this.getId();
var required = '' /*data.required ? 'data-required="1"': 'data-required="0"'*/;
switch (data.block_type) {
case 'text':
return '<input '+ required +' class="'+ data.field_class+'" type="text" name="'+id+'" id="field_'+id+'" value="">' + '<label for="field_'+id+'"></label>' + '<p class="block_right_p">'+data.label_name+'</p>';
break;
case 'radio':
return '<input '+ required +' class="'+ data.field_class+'" type="radio" name="'+id+'" id="field_'+id+'" value="">' + '<label for="field_'+id+'">'+data.label_name+'</label>';
break;
case 'checkbox':
return '<input '+ required +' class="'+ data.field_class+'" type="checkbox" name="'+id+'" id="field_'+id+'" value="">' + '<label for="field_'+id+'">'+data.label_name+'</label>';
break;
case 'select':
return '<select '+ required +' class="'+ data.field_class+'" name="'+id+'" id="field_'+id+'">' + '<option></option>'+ '</select>' + '<label for="field_'+id+'">'+data.label_name+'</label>';
break;
case 'textarea':
return '<textarea '+ required +' class="'+ data.field_class+'" name="'+id+'" id="field_'+id+'"></textarea>' + '<p class="block_right_p">'+data.label_name+'</p>';
break;
case 'p_tag':
return '<p class="block_right_p" style="margin-top: -10px;">'+data.label_name+'</p>';
break;
}
},
deleteRow: function(row){
var parent = row.parentNode;
var url = '/delete_brief_blocks/'+parent.dataset.id;
var XHR=window.XDomainRequest||window.XMLHttpRequest;
var xhr=new XHR();
xhr.open('POST',url,false);
xhr.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
xhr.send();
var type = xhr.getResponseHeader("Content-Type");
parent.remove();
return xhr.responseText;
},
updateRow: function(row){
var parent = row.parentElement;
var upadate_block = parent.getElementsByTagName('div')[0];
var textarea = document.createElement('textarea');
textarea.innerHTML = upadate_block.innerHTML;
var old_update_button = parent.getElementsByClassName('update_field')[0];
var old_delete_button = parent.getElementsByClassName('delete_field')[0];
var save_button = document.createElement('a');
save_button.href = '#';
save_button.className = 'save_change btn btn-success';
save_button.innerHTML = 'Сохранить';
var sendAjax = this.AjaxRequest;
save_button.onclick = function(e){
e.preventDefault();
upadate_block.innerHTML = textarea.value;
parent.replaceChild(upadate_block, textarea );
parent.replaceChild(old_update_button , cancel_button );
parent.replaceChild(old_delete_button, save_button );
var id = upadate_block.dataset.id;
var test = upadate_block.outerHTML;
var parameters = 'html='+test;
sendAjax(parameters, id);
};
var cancel_button = document.createElement('a');
cancel_button.href = '#';
cancel_button.className = 'cancel_change btn btn-primary';
cancel_button.innerHTML = 'Отмена';
cancel_button.onclick = function(e){
e.preventDefault();
parent.replaceChild(upadate_block, textarea );
parent.replaceChild(old_update_button , cancel_button );
parent.replaceChild(old_delete_button, save_button );
};
parent.replaceChild(textarea, upadate_block );
parent.replaceChild(cancel_button, old_update_button );
parent.replaceChild(save_button, old_delete_button );
}
};