multi-table-controllet.html
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<link rel="import" href="../../bower_components/polymer/polymer.html" />
<link rel="import" href="../../bower_components/paper-tabs/paper-tabs.html">
<link rel="import" href="../../bower_components/paper-tabs/paper-tab.html">
<link rel="import" href="../../bower_components/neon-animation/neon-animation.html">
<link rel="import" href="../../bower_components/neon-animation/neon-animatable.html">
<link rel="import" href="../../bower_components/neon-animation/neon-animations.html">
<link rel="import" href="../../datalets/dynamic-datatable-datalet/datatable-datalet.html" />
<dom-module id="multi-table-controllet">
<template>
<style is="custom-style">
paper-tabs{
font-family: 'Roboto', 'Helvetica Neue', Helvetica, Arial, sans-serif;
font-size: 16px;
font-weight: bold;
--paper-tabs-selection-bar-color: #2196F3;
}
paper-tab{
transition: all 1.0s;
}
paper-tab.iron-selected{
background-color: #B6B6B6;
}
paper-tab:hover{
color: #2196F3;
}
</style>
<paper-tabs selected="{{selected}}">
<template id="dom-tabs" is="dom-repeat" items="{{_toArrayTabs(selectedFields)}}">
<paper-tab noink>{{item.name}}</paper-tab>
</template>
</paper-tabs>
<neon-animated-pages selected="{{selected}}" entry-animation="fade-in-animation" exit-animation="fade-out-animation">
<template id="dom-pages" is="dom-repeat" items="{{_toArrayPages(selectedFields)}}">
<neon-animatable>
<dynamic-datatable-datalet id="{{item.name}}" data-url={{dataUrl}} fields$='{{_getFields(item.value)}}'></dynamic-datatable-datalet>
</neon-animatable>
</template>
</neon-animated-pages>
</template>
<script>
Polymer({
is : 'multi-table-controllet',
properties : {
selected : {
type : Number,
value : undefined
},
selectedFields : {
type : Array,
value : undefined
},
dataUrl : {
type : String,
value : undefined
},
toSelect : {
type : Number,
value : undefined
}
},
listeners: {
'dom-change': '_onDomChange'
},
setSelectedFields : function(selectedFields) {
this.toSelect = this._calculateSelected(this.selectedFields, selectedFields);
this.selectedFields = this._copy(selectedFields);
},
_calculateSelected : function(preselectedFields, selectedFields) {
if(!preselectedFields)
return 0;//new multi-table
if(Object.keys(selectedFields).length == 0)
return 0;//no fields
for(var key in selectedFields){
if(!preselectedFields[key])
return Object.keys(selectedFields).indexOf(key);//new field
if(JSON.stringify(selectedFields[key]) != JSON.stringify(preselectedFields[key]))
return Object.keys(selectedFields).indexOf(key);//modified field
}
//removed field
if(this.selected == 0){
this.selected = 1;
return 0;
}
/******** optional ********/
var removedIndex;
for(var key in preselectedFields){
if(!selectedFields[key]){
// if(Object.keys(preselectedFields).indexOf(key) != 0)
removedIndex = Object.keys(preselectedFields).indexOf(key);//
}
}
//'select the selected' (index changed after remove)
if(removedIndex <= this.selected){
return this.selected - 1;
}
else{
this.selected = this.selected + 1;
return this.selected -1;
}
},
_copy : function(o) {//non necessario
var out, v, key;
out = Array.isArray(o) ? [] : {};
for (key in o) {
v = o[key];
out[key] = (typeof v === "object") ? this._copy(v) : v;
}
return out;
},
_onDomChange : function(e) {
if (e.target.id == "dom-pages")
this.async(function () {this.selected = this.toSelect;}, 0);
},
_toArrayTabs: function(obj) {
return Object.keys(obj).map(function(key) {
return {name: key.replace(/,/g, " / "), value: obj[key]};
});
},
_toArrayPages: function(obj) {
return Object.keys(obj).map(function(key) {
return {name: key, value: obj[key]};
});
},
_getFields: function(value) {
return value;
}
});
</script>
</dom-module>