gun/lib/meta.js
2019-07-04 16:40:22 -07:00

383 lines
11 KiB
JavaScript

;(function(){
var noop = function(){}, u;
var m = window.meta = {edit:[]};
var k = m.key = {};
k.meta = {17:17, 91:17, 93:17, 224:17};
k.down = function(eve){
if(eve.repeat){ return }
var key = (k.eve = m.eve = eve).which = eve.which || eve.fake || eve.keyCode;
if(!eve.fake && key === k.last){ return } k.last = key;
if(!eve.fake && $(eve.target).closest('input, textarea, [contenteditable=true]').length){
if(k.meta[key]){ k.down.meta = key = -1 }
if(!k.down.meta){ return }
}
(k.combo || (k.combo = [])).push(key);
m.check('on', key, k.at || (k.at = m.edit));
if(k.meta[key]){
m.list(k.at.back || m.edit);
if(k.at && !k.at.back){ m.flip() }
}
}
k.up = function(eve){ var tmp;
var key = (k.eve = m.eve = eve).which = eve.which || eve.fake || eve.keyCode;
if(!eve.fake && $(eve.target).closest('input, textarea, [contenteditable=true]').length){
if(k.meta[key]){
k.down.meta = null;
key = -1;
} else
if(!k.down.meta){ return }
}
k.last = null;
if($(':focus').closest('#meta').length){ return }
m.check('up', key);
if(-1 === key || 27 === eve.which){ k.wipe() }
}
m.flip = function(tmp){
var board = $('#meta .meta-menu');
((tmp === false) || (!tmp && board.is(':visible')))?
board.addClass('meta-none')
: board.removeClass('meta-none');
}
m.flip.is = function(){
return $('#meta .meta-menu').is(':visible');
}
m.flip.wait = 500;
m.check = function(how, key, at){
at = k.at || m.edit;
var edit = at[key];
if(!edit){ return }
var tmp = k.eve || noop;
if(tmp.preventDefault){ tmp.preventDefault() }
if(edit[how]){
if(tmp.fake && !edit.fake){
m.tap.edit = edit;
} else {
edit[how](m.eve);
/*if(k.at !== m.edit && 'up' === how){
if(k.down.meta){ m.list(k.at = m.edit) }
else { k.wipe() }
}*/
}
}
if('up' != how){ return }
if(at != edit){ edit.back = at }
m.list(edit, true);
}
m.list = function(at, opt){
if(!at){ return m.flip(false) }
var l = [];
$.each(at, function(i,k){ 'back' != i && k.combo && k.name && l.push(k) });
if(!l.length){ return }
k.at = at;
l = l.sort(function(a,b){
a = a.combo.slice(-1)[0] || 0;
if(a.length){ a = a.toUpperCase().charCodeAt(0) }
b = b.combo.slice(-1)[0] || 0;
if(b.length){ b = b.toUpperCase().charCodeAt(0) }
return (a < b)? -1 : 1;
});
var $ul = $('#meta .meta-menu ul')
$ul.children('li').addClass('meta-none').hide(); setTimeout(function(){ $ul.children('.meta-none').remove() },250); // necessary fix for weird bug glitch
$.each(l, function(i, k){
$ul.append($('<li>').text(k.name));
});
if(opt){ m.flip(true) }
$ul.append($('<li>').html('&larr;').one('click', function(){
m.list(k.at = at.back);
}));
}
m.ask = function(help, cb){
var $ul = $('#meta .meta-menu ul').empty();
var $put = $('<input>').attr('id', 'meta-ask').attr('placeholder', help);
var $form = $('<form>').append($put).on('submit', function(eve){
eve.preventDefault();
cb($put.val());
$li.remove();
k.wipe();
});
var $li = $('<li>').append($form);
$ul.append($li);
m.flip(true);
$put.focus();
}
k.wipe = function(opt){
k.down.meta = false;
k.combo = [];
if(!opt){ m.flip(false) }
m.list(k.at = m.edit);
};
m.tap = function(){
var on = $('.meta-on')
.or($($(document.querySelectorAll(':hover')).get().reverse()).first())
.or($(document.elementFromPoint(meta.tap.x, meta.tap.y)));
return on;
}
$(window).on('blur', k.wipe).on('focus', k.wipe);
$(document).on('mousedown mousemove mouseup', function(eve){
m.tap.eve = eve;
m.tap.x = eve.pageX||0;
m.tap.y = eve.pageY||0;
m.tap.on = $(eve.target);
}).on('mousedown touchstart', function(eve){
var tmp = m.tap.edit;
if(!tmp || !tmp.on){ return }
tmp.on(eve);
m.tap.edit = null;
});
$(document).on('touchstart', '#meta .meta-start', function(eve){ m.tap.stun = true });
$(document).on('click', '#meta .meta-menu li', function(eve){
if(m.tap.stun){ return m.tap.stun = false }
if(!(eve.fake = eve.which = (($(this).text().match(/[A-Z]/)||{})[0]||'').toUpperCase().charCodeAt(0))){ return }
eve.tap = true;
k.down(eve);
k.up(eve);
});
$(document).on('keydown', k.down).on('keyup', k.up);
meta.edit = function(edit){
var tmp = edit.combow = [];
$.each(edit.combo || (edit.combo = []), function(i,k){
if(!k || !k.length){ if('number' == typeof k){ tmp.push(k) } return }
tmp.push(k.toUpperCase().charCodeAt(0));
});
var at = meta.edit, l = edit.combo.length;
$.each(tmp, function(i,k){ at = at[k] = (++i >= l)? edit : at[k] || {} });
edit.combow = edit.combow.join(',');
m.list(meta.edit);
}
$.fn.or = function(s){ return this.length ? this : $(s||'body') };
;(function(){try{
/* UI */
if(meta.css){ return }
var $m = $('<div>').attr('id', 'meta');
$m.append($('<span>').text('+').addClass('meta-start'));
$m.append($('<div>').addClass('meta-menu meta-none').append('<ul>'));
$(document.body).append($m);
css({
'#meta': {
display: 'block',
position: 'fixed',
bottom: '2em',
right: '2em',
background: 'white',
'font-size': '18pt',
'font-family': 'Tahoma, arial',
'box-shadow': '0px 0px 1px #000044',
'border-radius': '1em',
'text-align': 'center',
'z-index': 999999,
margin: 0,
padding: 0,
width: '2em',
height: '2em',
opacity: 0.7,
outline: 'none',
color: '#000044',
overflow: 'visible',
transition: 'all 0.2s ease-in'
},
'#meta *': {outline: 'none'},
'#meta .meta-none': {display: 'none'},
'#meta span': {'line-height': '2em'},
'#meta .meta-menu': {
background: 'rgba(0,0,0,0.1)',
width: '12em',
right: '-2em',
bottom: '-2em',
overflow: 'visible',
position: 'absolute',
'overflow-y': 'scroll',
'text-align': 'right',
'min-height': '20em',
height: '100vh'
},
'#meta .meta-menu ul': {
padding: 0,
margin: '1em 1em 2em 0',
'list-style-type': 'none'
},
'#meta .meta-menu ul li': {
display: 'block',
background: 'white',
padding: '0.5em 1em',
'border-radius': '1em',
'margin-left': '0.25em',
'margin-top': '0.25em',
'float': 'right'
},
'#meta a': {color: 'black'},
'#meta:hover': {opacity: 1},
'#meta .meta-menu ul:before': {
content: "' '",
display: 'block',
'min-height': '15em',
height: '50vh'
},
'#meta li': {
background: 'white',
padding: '0.5em 1em',
'border-radius': '1em',
'margin-left': '0.25em',
'margin-top': '0.25em',
'float': 'right'
},
'#meta:hover .meta-menu': {display: 'block'}
});
function css(css){
var tmp = '';
$.each(css, function(c,r){
tmp += c + ' {\n';
$.each(r, function(k,v){
tmp += '\t'+ k +': '+ v +';\n';
});
tmp += '}\n';
});
var tag = document.createElement('style');
tag.innerHTML = tmp;
document.body.appendChild(tag);
}
}catch(e){}}());
;(function(){
// include basic text editing by default.
var monotype = window.monotype || function(){console.log("monotype needed")};
var m = meta;
m.text = {zws: '&#8203;'};
m.text.on = function(eve){ var tmp;
if($((eve||{}).target).closest('#meta').length){ return }
m.text.range = null;
if(!(m.text.copy()||'').trim()){
m.flip(false);
m.list(m.text.it);
return;
}
m.text.range = monotype((eve||{}).target);
m.text.it.on(eve);
}
m.text.copy = function(tmp){
return ((tmp = window.getSelection) && tmp().toString()) ||
((tmp = document.selection) && tmp.createRange().text) || '';
}
$(document).on('select contextmenu keyup mouseup', '[contenteditable=true]', m.text.on);
m.text.editor = function(opt, as){ var tmp;
if(!opt){ return }
opt = (typeof opt == 'string')? {edit: opt} : opt.tag? opt : {tag: opt};
var r = opt.range = opt.range || m.text.range || monotype(), cmd = opt.edit;
as = opt.as = opt.as || as;
if(cmd && document.execCommand){
r.restore();
if(document.execCommand(cmd, null, as||null)){
if(m.text.range){ m.text.range = monotype() }
return;
}
}
if(!opt.tag){ return }
opt.tag = $(opt.tag);
opt.name = opt.name || opt.tag.prop('tagName');
if((tmp = $(r.get()).closest(opt.name)).length){
if(r.s === r.e){
tmp.after(m.text.zws);
r = r.select(monotype.next(tmp[0]),1);
} else {
tmp.contents().unwrap(opt.name);
}
} else
if(r.s === r.e){
r.insert(opt.tag);
r = r.select(opt.tag);
} else {
r.wrap(opt.tag);
}
r.restore();
opt.range = null;
if(m.text.range){ m.text.range = monotype() }
}
meta.edit(meta.text.it = {combo: [-1], on: function(){ m.list(this, true) }, back: meta.edit}); // -1 is key for typing.
meta.text.it[-1] = meta.text.it;
meta.edit({
name: "Bold",
combo: [-1,'B'], fake: -1,
on: function(eve){
meta.text.editor('bold');
},
up: function(){}
});
meta.edit({
name: "Italic",
combo: [-1,'I'], fake: -1,
on: function(eve){
meta.text.editor('italic');
},
up: function(){}
});
/*meta.edit({
name: "Underline",
combo: [-1,'U'], fake: -1,
on: function(eve){
meta.text.editor('underline');
},
up: function(){}
});*/
meta.edit({
name: "linK",
combo: [-1,'K'], fake: -1,
on: function(eve){
var range = meta.text.range || monotype();
meta.ask('Paste or type link...', function(url){
meta.text.editor({tag: $('<a href="'+url+'">link</a>'), edit: url? 'createLink' : 'unlink', as: url, range: range});
})
}
});
//meta.edit({name: "aliGn", combo: [-1,'G']}); // MOVE TO ADVANCED MENu!
meta.edit({
name: "Left",
combo: [-1,'G','L'], fake: -1,
on: function(eve){ meta.text.editor('justifyLeft') },
up: function(){}
});
meta.edit({
name: "Right",
combo: [-1,'G','R'], fake: -1,
on: function(eve){ meta.text.editor('justifyRight') },
up: function(){ }
});
meta.edit({
name: "Middle",
combo: [-1,'G','M'], fake: -1,
on: function(eve){ meta.text.editor('justifyCenter') },
up: function(){ }
});
meta.edit({
name: "Justify",
combo: [-1,'G','J'], fake: -1,
on: function(eve){ meta.text.editor('justifyFull') },
up: function(){}
});
// Align Number
// Align Points
// Align Strike
meta.edit({name: "Size", combo: [-1,'S'], on: function(){ m.list(this, true) }});
meta.edit({
name: "Small",
combo: [-1,'S','S'], fake: -1,
on: function(eve){ meta.text.editor('fontSize', 2) },
up: function(){ }
});
meta.edit({
name: "Normal",
combo: [-1,'S','N'], fake: -1,
on: function(eve){ meta.text.editor('fontSize', 5) },
up: function(){}
});
meta.edit({
name: "Header",
combo: [-1,'S','H'], fake: -1,
on: function(eve){ meta.text.editor('fontSize', 6) },
up: function(){}
});
meta.edit({
name: "Title",
combo: [-1,'S','T'], fake: -1,
on: function(eve){ meta.text.editor('fontSize', 7) },
up: function(){}
});
}());
}());