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Add backup and restore controls

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This commit is contained in:
Shaunak Kishore
2015-09-10 23:12:43 -04:00
parent 0d5565743f
commit 8733b405fe
4 changed files with 23 additions and 16 deletions
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74
client/controls.js vendored Normal file
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var BATCH_SIZE = 64;
var CODEPOINTS = [0x4e00, 0x9fff];
var FONT_LOADED_PROGRESS = 0.1;
Template.controls.events({
'click #backup-button': function() {
Meteor.call('backup');
},
'click #restore-button': function() {
Meteor.call('restore');
},
'click #reload-button': function() {
Session.set('progress.value', 0);
opentype.load('external/gkai00mp.ttf', function(err, font) {
if (err) {
console.log('Error loading font: ' + err);
return;
}
Session.set('progress.value', FONT_LOADED_PROGRESS);
var glyphs_to_save = [];
for (var i = 0; i < font.glyphs.length; i++) {
var glyph = font.glyphs.glyphs[i];
if (CODEPOINTS[0] <= glyph.unicode && glyph.unicode <= CODEPOINTS[1]) {
var name = 'uni' + glyph.unicode.toString(16).toUpperCase();
glyphs_to_save.push({name: name, path: glyph.path.commands});
}
}
save_glyphs(glyphs_to_save);
});
},
});
function save_glyphs(glyphs, index) {
index = index || 0;
if (index >= glyphs.length) {
Session.set('progress.value', undefined);
return;
}
var remainder = (1 - FONT_LOADED_PROGRESS)*index/glyphs.length;
Session.set('progress.value', remainder + FONT_LOADED_PROGRESS);
var max = Math.min(index + BATCH_SIZE, glyphs.length);
var batch = [];
for (var i = index; i < max; i++) {
batch.push(glyphs[i]);
}
Meteor.call('save_glyphs', batch, function(err, result) {
Meteor.setTimeout(function() { save_glyphs(glyphs, max); }, 0);
});
}
Template.progress.helpers({
percent: function() {
var value = Session.get('progress.value');
return Math.round(100*(value === undefined ? 1 : value));
},
});
Tracker.autorun(function() {
if (Session.get('progress.show')) {
$('#progress').modal({background: 'static', keyboard: false});
} else {
$('#progress').modal('hide');
}
});
Tracker.autorun(function() {
var progress = Session.get('progress.value');
Session.set('progress.show', progress !== undefined);
});
Meteor.startup(function() {
Session.set('progress.show', false);
Session.set('progress.value', undefined);
});