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ocr-fileformat.js
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ocr-fileformat.js
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var OcrFileformatAPI = function OcrFileformatAPI(endpoint) {
this.endpoint = endpoint;
};
OcrFileformatAPI.prototype.urlFor = function urlFor(action, params) {
params || (params = {});
url = this.endpoint + '?do=' + action;
for (var paramName of Object.keys(params)) {
url += '&' + paramName + '=' + params[paramName];
}
return url;
};
OcrFileformatAPI.prototype.updateFormats = function updateFormats(cb) {
var self = this;
this.request('list', null, null, function(err, formats) {
self.formats = formats;
cb(err);
});
};
OcrFileformatAPI.prototype.request = function request(endpoint, query, formData, cb) {
ajaxCall = {
type: 'GET',
url: api.urlFor(endpoint, query),
success: function(data) {
cb(null, data);
},
error: function(xhr) {
cb(xhr.responseText);
},
};
if (formData) {
ajaxCall.type = 'POST';
ajaxCall.data = formData
ajaxCall.processData = false;
ajaxCall.contentType = false;
}
$.ajax(ajaxCall);
};
function escapeHTML(str) {
return str.
replace(/&/g, '&').
replace(/</g, '<').
replace(/"/g, '"').
replace(/'/g, ''').
replace(/\//g, '/').
replace(/>/g, '>');
}
function onChangeFormat() {
if ($("#transform-from option").length == 1) {
Object.keys(window.api.formats.transform).forEach(function(from) {
$("#transform-from").append($("<option>").append(from));
});
$("#transform-from").removeAttr('disabled');
}
var selectedFrom = $("#transform-from").val();
var selectedTo = $("#transform-to").val();
$("#transform-to").attr('disabled', selectedFrom === null);
if (selectedFrom && !selectedTo) {
$("#transform-to option").slice(1).remove();
window.api.formats.transform[selectedFrom].forEach(function(to) {
$("#transform-to").append($("<option>").append(to));
});
}
if ($("#validate-format option").length == 1) {
window.api.formats.validate.forEach(function(format) {
$("#validate-format").append($("<option>").append(format));
});
}
}
function submit(tabName, params) {
var pane = $("#" + tabName);
var input = pane.find(".input .active input");
if (input.attr('type') === 'file') {
var formData = new FormData();
formData.append('file', input.prop('files')[0]);
} else {
var url = input.val();
params.url = url;
}
$("button .spinning", pane).removeClass('hidden');
api.request(tabName, params, formData, function(err, data) {
pane.find("button .spinning").addClass('hidden');
if (err)
return $.notify(err, 'error');
if (url) {
pane.find(".result a.download").attr('href', url);
}
pane.find(".result pre code").html(escapeHTML(data));
pane.find(".result").removeClass('hidden');
Prism.highlightAll()
});
}
function maybeEnableSubmit() {
var el = $(".tab-pane.active")
var inputSet = !!$(".input .active input", el).val();
var selects = $(".formats select", el);
var formatsSet = selects.length == selects.map(function() { return $(this).val(); }).length;
$("button", el).attr('disabled', !(inputSet && formatsSet));
}
function hashRoute() {
var hash = window.location.hash;
var pageTab = hash.replace(/-.*/,'');
$("a[data-toggle='tab'][href='" + pageTab + "']").tab('show');
$("a[data-toggle='tab'][href='" + hash + "']").tab('show');
}
$(function() {
$.notify.defaults({position: 'bottom right'});
var api = window.api = new OcrFileformatAPI('ocr-fileformat.php');
$.notify("Loading formats", 'info');
api.updateFormats(function(err) {
if (err) {
$.notify("Error loading formats", "error");
return;
}
$.notify("Loaded formats", 'success');
$("select").on('change', onChangeFormat);
$("a").on('shown.bs.tab', maybeEnableSubmit);
$(":input").on('input change', maybeEnableSubmit);
$(".tab-pane").on('shown.bs.tab', maybeEnableSubmit);
$("#validate-submit").on('click', function() {
submit('validate', {format: $("#validate-format").val()});
});
$("#transform-submit").on('click', function() {
submit('transform', {from: $("#transform-from").val(), to: $("#transform-to").val() });
});
$("a[data-toggle='tab']").on('click tap', function() { window.location.hash = $(this).attr('href'); });
$(window).on('hashchange', hashRoute);
onChangeFormat();
hashRoute();
});
});