Files
makemeahanzi/client/glyph.js
2015-09-11 01:22:55 -04:00

262 lines
8.0 KiB
JavaScript

Session.setDefault('glyph.data', undefined);
Session.setDefault('glyph.selected_point', undefined);
Session.setDefault('glyph.show_strokes', true);
var COLORS = ['#0074D9', '#2ECC40', '#FFDC00', '#FF4136', '#7FDBFF',
'#001F3F', '#39CCCC', '#3D9970', '#01FF70', '#FF851B'];
function change_glyph(method, glyph) {
glyph = glyph || Session.get('glyph.data');
Meteor.call(method, glyph, function(err, data) {
data = fill_glyph_fields(data);
Session.set('glyph.data', data);
if (method === 'save_glyph') {
refresh_fraction_verified();
} else {
Session.set('glyph.show_strokes', true);
}
});
}
function fill_glyph_fields(glyph) {
glyph.manual = glyph.manual || {};
glyph.manual.bridges_added = glyph.manual.bridges_added || [];
glyph.manual.bridges_removed = glyph.manual.bridges_removed || [];
glyph.manual.verified = glyph.manual.verified || false;
glyph.render = get_glyph_render_data(glyph, glyph.manual.bridges);
return glyph;
}
function refresh_fraction_verified() {
Meteor.call('get_fraction_verified', function(err, data) {
if (!err) {
Session.set('glyph.fraction_verified', data);
}
});
}
window.get_glyph = function(name) {
change_glyph('get_glyph', name);
}
function contains(bridges, bridge) {
return remove_bridges(bridges, [bridge]).length < bridges.length;
}
function get_final_bridges(glyph) {
var add = glyph.render.bridges.concat(glyph.manual.bridges_added);
return remove_bridges(add, glyph.manual.bridges_removed);
}
function remove_bridges(add, remove) {
var set = {};
for (var i = 0; i < remove.length; i++) {
set[to_line(remove[i]).coordinates] = true;
set[to_line([remove[i][1], remove[i][0]]).coordinates] = true;
}
return add.filter(function(x) { return !set[to_line(x).coordinates]; });
}
function to_line(pairs) {
return {
x1: pairs[0][0],
y1: pairs[0][1],
x2: pairs[1][0],
y2: pairs[1][1],
coordinates: pairs[0].join(',') + ',' + pairs[1].join(','),
};
}
function to_point(pair) {
return {x: pair[0], y: pair[1], coordinates: pair.join(',')};
}
var bindings = {
'w': function() {
if (Session.get('glyph.show_strokes')) {
Session.set('glyph.show_strokes', false);
Session.set('glyph.selected_point', undefined);
var glyph = Session.get('glyph.data');
glyph.manual.verified = false;
change_glyph('save_glyph', glyph);
} else {
var glyph = Session.get('glyph.data');
delete glyph.manual;
Session.set('glyph.data', fill_glyph_fields(glyph));
}
},
'a': function() {
change_glyph('get_previous_glyph');
},
'A': function() {
change_glyph('get_previous_glyph_skip_verified');
},
's': function() {
var glyph = Session.get('glyph.data');
if (!Session.get('glyph.show_strokes')) {
Session.set('glyph.show_strokes', true);
return;
}
glyph.manual.verified = !glyph.manual.verified;
change_glyph('save_glyph', glyph);
},
'd': function() {
change_glyph('get_next_glyph');
},
'D': function() {
change_glyph('get_next_glyph_skip_verified');
},
};
Template.controls.events({
'click #w-button': bindings.w,
'click #a-button': bindings.a,
'click #s-button': bindings.s,
'click #d-button': bindings.d,
});
Template.controls.helpers({
w_button_name: function() {
return Session.get('glyph.show_strokes') ? 'Edit' : 'Reset';
},
s_button_name: function() {
if (!Session.get('glyph.show_strokes')) {
return 'View';
}
var glyph = Session.get('glyph.data');
return glyph && glyph.manual.verified ? 'Flag' : 'Verify';
},
});
Template.glyph.events({
'click #glyph svg g line': function(e) {
var coordinates = $(e.target).attr('data-coordinates');
var xs = coordinates.split(',').map(function(x) {
return parseInt(x, 10);
});
var bridge = [[xs[0], xs[1]], [xs[2], xs[3]]];
// Remove the bridge from the list of bridges.
var glyph = Session.get('glyph.data');
var added = remove_bridges(glyph.manual.bridges_added, [bridge]);
if (added.length < glyph.manual.bridges_added.length) {
glyph.manual.bridges_added = added;
} else if (!contains(glyph.manual.bridges_removed, bridge)) {
glyph.manual.bridges_removed.push(bridge);
}
glyph.manual.bridges = get_final_bridges(glyph);
Session.set('glyph.selected_point', undefined);
Session.set('glyph.data', fill_glyph_fields(glyph));
},
'click #glyph svg g circle': function(e) {
var coordinates = $(e.target).attr('data-coordinates');
var selected_point = Session.get('glyph.selected_point');
if (selected_point === coordinates) {
Session.set('glyph.selected_point', undefined);
return;
} else if (!selected_point) {
Session.set('glyph.selected_point', coordinates);
return;
}
var xs = (coordinates + ',' + selected_point).split(',').map(function(x) {
return parseInt(x, 10);
});
var bridge = [[xs[0], xs[1]], [xs[2], xs[3]]];
// Add the new bridge to the list of bridges.
var glyph = Session.get('glyph.data');
var removed = remove_bridges(glyph.manual.bridges_removed, [bridge]);
if (removed.length < glyph.manual.bridges_removed.length) {
glyph.manual.bridges_removed = removed;
} else if (!contains(glyph.render.bridges, bridge) &&
!contains(glyph.manual.bridges_added, bridge)) {
glyph.manual.bridges_added.push(bridge);
}
glyph.manual.bridges = get_final_bridges(glyph);
Session.set('glyph.selected_point', undefined);
Session.set('glyph.data', fill_glyph_fields(glyph));
},
});
Template.glyph.helpers({
glyph: function() {
return !!Session.get('glyph.data');
},
verified: function() {
var glyph = Session.get('glyph.data');
return glyph && glyph.manual.verified ? 'verified' : undefined;
},
log: function() {
var glyph = Session.get('glyph.data');
return glyph ? glyph.render.log.map(function(pair) {
return {log_class: pair[0], log_message: pair[1]};
}) : [];
},
base_color: function() {
return Session.get('glyph.show_strokes') ? 'black' : 'gray';
},
d: function() {
return Session.get('glyph.data').render.d;
},
show_strokes: function() {
return !!Session.get('glyph.show_strokes');
},
strokes: function() {
var glyph = Session.get('glyph.data');
var result = [];
for (var i = 0; i < glyph.render.strokes.length; i++) {
var stroke = glyph.render.strokes[i];
result.push({color: COLORS[i % COLORS.length], stroke: stroke});
}
return result;
},
bridges: function() {
var glyph = Session.get('glyph.data');
var removed = {};
for (var i = 0; i < glyph.manual.bridges_removed.length; i++) {
removed[to_line(glyph.manual.bridges_removed[i]).coordinates] = true;
}
var result = [];
for (var i = 0; i < glyph.render.bridges.length; i++) {
var line = to_line(glyph.render.bridges[i]);
if (!removed[line.coordinates]) {
line.color = 'red';
result.push(line);
}
}
for (var i = 0; i < glyph.manual.bridges_added.length; i++) {
var line = to_line(glyph.manual.bridges_added[i]);
line.color = 'purple';
result.push(line);
}
return result;
},
points: function() {
var glyph = Session.get('glyph.data');
var result = [];
for (var i = 0; i < glyph.render.endpoints.length; i++) {
var endpoint = glyph.render.endpoints[i];
var point = to_point(endpoint.point);
point.color = endpoint.corner ? 'red' : 'black';
point.z_index = endpoint.corner ? 1 : 0;
if (point.coordinates === Session.get('glyph.selected_point')) {
point.color = 'purple';
}
result.push(point);
}
result.sort(function(p1, p2) { return p1.z_index - p2.z_index; });
return result;
},
});
Meteor.startup(function() {
$('body').on('keypress', function(e) {
var key = String.fromCharCode(e.which);
if (bindings.hasOwnProperty(key)) {
bindings[key]();
}
});
if (!Session.get('glyph.data')) {
change_glyph('get_next_glyph');
}
refresh_fraction_verified();
});