neptune/core/static/js/column-shifter.js

234 lines
7.7 KiB
JavaScript

// Author: Grzegorz Tężycki
$(document).ready(function(){
// In web storage is saved structure like that:
// localStorage['django_tables2_column_shifter'] = {
// 'table_class_container1' : {
// 'id' : 'on',
// 'col1' : 'off',
// 'col2' : 'on',
// 'col3' : 'on',
// },
// 'table_class_container2' : {
// 'id' : 'on',
// 'col1' : 'on'
// },
// }
// main name for key in web storage
var COLUMN_SHIFTER_STORAGE_ACCESOR = "django_tables2_column_shifter";
// Return storage structure for shifter
// If structure does'n exist in web storage
// will be return empty object
var get_column_shifter_storage = function(){
var storage = localStorage.getItem(COLUMN_SHIFTER_STORAGE_ACCESOR);
if (storage === null) {
storage = {
"drilldown-table": {
"date": "off",
"time": "off",
"id": "off",
"num": "off",
"channel_nsfw": "off",
"channel_category": "off",
"channel_category_id": "off",
"channel_category_nsfw": "off",
"channel_id": "off",
"guild_member_count": "off",
"bot": "off",
"msg_id": "off",
"net_id": "off",
"user_id": "off",
"num_users": "off",
"num_chans": "off",
"exemption": "off",
"version_sentiment": "off",
"num": "off",
"exemption": "off",
"online": "off",
"mtype": "off",
"realname": "off",
"server": "off",
"mtype": "off",
},
};
} else {
storage = JSON.parse(storage);
}
return storage;
};
// Save structure in web storage
var set_column_shifter_storage = function(storage){
var json_storage = JSON.stringify(storage)
localStorage.setItem(COLUMN_SHIFTER_STORAGE_ACCESOR, json_storage);
};
// Remember state for single button
var save_btn_state = function($btn){
// Take css class for container with table
var table_class_container = $btn.data("table-class-container");
// Take html object with table
var $table_class_container = $("#" + table_class_container);
// Take single button statne ("on" / "off")
var state = $btn.data("state");
// td-class is a real column name in table
var td_class = $btn.data("td-class");
var storage = get_column_shifter_storage();
// Table id
var id = $table_class_container.attr("id");
// Checking if the ID is already in storage
if (id in storage) {
data = storage[id]
} else {
data = {}
storage[id] = data;
}
// Save state for table column in storage
data[td_class] = state;
set_column_shifter_storage(storage);
};
// Load states for buttons from storage for single tabel
var load_states = function($table_class_container) {
var storage = get_column_shifter_storage();
// Table id
var id = $table_class_container.attr("id");
var data = {};
// Checking if the ID is already in storage
if (id in storage) {
data = storage[id]
// For each shifter button set state
$table_class_container.find(".btn-shift-column").each(function(){
var $btn = $(this);
var td_class = $btn.data("td-class");
// If name of column is in store then get state
// and set state
if (td_class in data) {
var state = data[td_class]
set_btn_state($btn, state);
}
});
}
};
// Show table content and hide spiner
var show_table_content = function($table_class_container){
$table_class_container.find("#loader").hide();
$table_class_container.find("#table-container").show();
const event = new Event('restore-scroll');
document.dispatchEvent(event);
};
// Load buttons states for all button in page
var load_state_for_all_containters = function(){
$(".column-shifter-container").each(function(){
$table_class_container = $(this);
// Load states for all buttons in single container
load_states($table_class_container);
// When states was loaded then table must be show and
// loader (spiner) must be hide
show_table_content($table_class_container);
});
};
// change visibility column for single button
// if button has state "on" then show column
// else then column will be hide
shift_column = function( $btn ){
// button state
var state = $btn.data("state");
// td-class is a real column name in table
var td_class = $btn.data("td-class");
var table_class_container = $btn.data("table-class-container");
var $table_class_container = $("#" + table_class_container);
var $table = $table_class_container.find("table");
var $cels = $table.find("." + td_class);
if ( state === "on" ) {
$cels.show();
} else {
$cels.hide();
}
};
// Shift visibility for all columns
shift_columns = function(){
var cols = $(".btn-shift-column");
var i, len = cols.length;
for (i=0; i < len; i++) {
shift_column($(cols[i]));
}
};
// Set icon imgae visibility for button state
var set_icon_for_state = function( $btn, state ) {
if (state === "on") {
$btn.find("span.uncheck").hide();
$btn.find("span.check").show();
} else {
$btn.find("span.check").hide();
$btn.find("span.uncheck").show();
}
};
// Set state for single button
var set_btn_state = function($btn, state){
$btn.data('state', state);
set_icon_for_state($btn, state);
}
// Change state for single button
var change_btn_state = function($btn){
var state = $btn.data("state");
if (state === "on") {
state = "off"
} else {
state = "on"
}
set_btn_state($btn, state);
};
// Run show/hide when click on button
$(".btn-shift-column").on("click", function(event){
var $btn = $(this);
event.stopPropagation();
change_btn_state($btn);
shift_column($btn);
save_btn_state($btn);
});
// Load saved states for all tables
load_state_for_all_containters();
// show or hide columns based on data from web storage
shift_columns();
// Add API method for retrieving non-visible cols for table
// Pass the 0-based index of the table or leave the parameter
// empty to return the hidden cols for the 1st table found
$.django_tables2_column_shifter_hidden = function(idx) {
if(idx==undefined) {
idx = 0;
}
return $('#table-container').eq(idx).find('.btn-shift-column').filter(function(z) {
return $(this).data('state')=='off'
}).map(function(z) {
return $(this).data('td-class')
}).toArray();
}
});