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display full dates on gmail
目前为
// ==UserScript==
// @name Gmail date formater
// @namespace https://monkeyr.com/
// @version 0.1
// @description display full dates on gmail
// @author mhume
// @match https://mail.google.com/mail/u/0/*
// @grant none
// ==/UserScript==
(function () {
'use strict';
var GmailDates = {
init : function () {
// add the custom methods to our custom observer
this.customObserver.prototype = {
connect : function () {
this.ob.observe(this.target, this.config);
},
disconnect : function () {
this.ob.disconnect();
}
};
// make reference within GmailDates to the custom observer so it can be paused when we mutate the dom
this.ob = new this.customObserver(document, false, this.main_mutation_callback.bind(this));
this.ob.connect();
},
main_mutation_callback : function (mutations) {
var _this = this;
mutations.forEach(function (mutation) {
var added = mutation.addedNodes;
for ( var node, i = added.length; (node = added[--i]); ) {
var j, tab, colgrp, span, tds, td, cols, col,
txtNode = (node.nodeName === '#text');
//console.log(node.nodeName, txtNode, node);
if(txtNode){
node = mutation.target;
}
switch(node.nodeName){
case 'DIV':
// finds the div/table that contains the initial list of emails
if ( node.hasAttribute('class') === false && (tab = _this.get_first_child(node)) && tab.nodeName === 'TABLE' ) {
var width;
tds = node.querySelectorAll('.xW.xY,.apm');// .apm for dates in classic vertical split
for ( j = tds.length; (td = tds[--j]); ) {
if( !width ){
width = td.classList.contains('apm') ? '16ex' : '14ex'; //classic vertical split needs a slightly different width
}
_this.handle_dates_in_list(td); // change the date formats on the email list
}
if ( (colgrp = _this.get_first_child(tab)) && colgrp.nodeName === 'COLGROUP' ) {
cols = colgrp.querySelectorAll('.xX');
for ( j = cols.length; (col = cols[--j]); ) {
col.style.width = width; // sets date width on classic gmail
}
}
} else
// the datetime on individual email views
if ( node.getAttribute('role') === 'listitem' && (span = _this.get_first_child_by_class(node, '.g3')) ) {
_this.handle_date_on_email(span);
}
break;
case 'TD':
// handles individual email date times in split view
if ( node.getAttribute('class') === 'Bu' && (span = _this.get_first_child_by_class(node, '.g3')) ) {
_this.handle_date_on_email(span);
} else
// handles individual row updates in a list. This happens when emails slip from today to yesterday without a page refresh
if ( node.classList.contains('xW') && node.classList.contains('xY') ) {
_this.handle_dates_in_list(node);
}
break;
case 'SPAN':
// the datetime on individual email views as the minutes then hours grow
if ( node.classList.contains('g3') ) {
_this.handle_date_on_email(node);
} else
// the datetime on New gmail, split screen lists after selection
if ( node.attributes.length == 0 ) {
_this.child_handle_dates_in_list(node);
} else
// the datetime on Classic gmail, horizontal split screen lists after selection
if ( node.hasAttribute('aria-label') ) {
_this.child_handle_dates_in_list(node);
} else
// the datetime on New gmail when an unread idem is selected in horizontal split
if ( node.classList.contains('bq3') ) {
_this.child_handle_dates_in_list(node);
}
//console.log('#text update', txtNode, node);
break;
case 'B':
// the datetime on Classic gmail, horizontal split screen lists after selection
if ( node.attributes.length == 0 ) {
_this.child_handle_dates_in_list(node);
}
break;
}
}
});
},
get_first_child_by_class : function(cont, cls){
var eles = cont.querySelectorAll(cls);
return eles.length ? eles[0] : false;
},
child_handle_dates_in_list : function(child){
var node;
if ( (node = child.closest('tr')) && (node = this.get_first_child_by_class(node, '.xW.xY')) ) {
this.handle_dates_in_list(node);
}
},
handle_dates_in_list : function (cont) {
cont.style.maxWidth = '100px';
//console.log(cont);
var span1 = this.get_first_child(cont),
span2 = this.get_first_child(span1),
datetime = span1.getAttribute('aria-label').replace(/ at /, ' '), // classic gmail has the following format, 11 July 2018 at 11:56
dat = new Date(datetime);
this.ob.disconnect(); //disable before we mutate the dom
// span2 doesn't exist in classic gmail
(span2 || span1).innerHTML = this.format_date(dat);
this.ob.connect(); //enable again
},
handle_date_on_email : function (span) {
//console.log(span);
var match = span.innerHTML.match(/.*( \([\da-zA-Z ]+\))/),
datetime = span.getAttribute('alt').replace(/ at /, ' '), // classic gmail has the following format, 11 July 2018 at 11:56
dat = new Date(datetime)
;
//console.log('match', span.innerHTML, match);
if ( match ) {
this.ob.disconnect(); //disable before we mutate the dom
span.innerHTML = this.format_date(dat) + match[1];
this.ob.connect(); //enable again
}
},
format_date : function (dat) {
return dat.toISOString().substring(0, 10) + ' ' + dat.getHours().pad() + ':' + dat.getMinutes().pad();
},
get_first_child : function (el) {
var first = el.firstChild;
while ( first != null && first.nodeType == 3 ) { // skip TextNodes
first = first.nextSibling;
}
return first;
},
customObserver : function (target, config, callback) {
this.target = target || document;
this.config = config || {childList : true, subtree : true};
var _this = this;
this.ob = new MutationObserver(function (mutations) {
callback.call(_this, mutations);
});
}
};
// allow padding of numbers
Number.prototype.pad = function (size) {
var s = String(this);
while ( s.length < (size || 2) ) {
s = "0" + s;
}
return s;
};
GmailDates.init();
})();