116 lines
2.7 KiB
JavaScript
116 lines
2.7 KiB
JavaScript
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var heist_document = function() {
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this.locked = false;
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};
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heist_document.prototype.save = function(data, callback) {
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if (this.locked) {
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return false;
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}
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var high = hljs.highlightAuto(data);
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var pack = {
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language: high.language,
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data: data
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};
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pack.value = high.value;
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pack.uuid = '123456';
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this.locked = true;
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callback(pack);
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};
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var heist = function(appName) {
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this.appName = appName;
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this.setTitle();
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this.$textarea = $('textarea');
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this.$box = $('#box');
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this.$code = $('#box code');
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this.configureShortcuts();
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};
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// Set the page title - include the appName
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heist.prototype.setTitle = function(ext) {
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var title = ext ? this.appName + ' - ' + ext : this.appName;
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document.title = title;
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};
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// Remove the current document (if there is one)
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// and set up for a new one
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heist.prototype.newDocument = function(ext) {
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this.doc = new heist_document();
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this.$box.hide();
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this.$textarea.val('').show().focus();
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}
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// Lock the current document
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heist.prototype.lockDocument = function() {
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var _this = this;
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this.doc.save(this.$textarea.val(), function(ret) {
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if (ret) {
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_this.$code.html(ret.value);
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_this.setTitle(ret.language);
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_this.$textarea.val('').hide();
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_this.$box.show();
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}
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});
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};
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// Configure keyboard shortcuts for the textarea
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heist.prototype.configureShortcuts = function() {
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var _this = this;
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this.$textarea.keyup(function(evt) {
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// ^L for lock
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if (evt.ctrlKey && evt.which === 76) {
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_this.lockDocument();
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}
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});
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};
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// TODO refuse to lock empty documents
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// TODO support for browsers without pushstate
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// TODO support for push state navigation
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// TODO ctrl-n for new
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// TODO ctrl-d for duplicate
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$(function() {
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$('textarea').focus();
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$('textarea').keydown(function(evt) {
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if (evt.keyCode === 9) {
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evt.preventDefault();
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var myValue = ' ';
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// http://stackoverflow.com/questions/946534/insert-text-into-textarea-with-jquery
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// For browsers like Internet Explorer
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if (document.selection) {
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this.focus();
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sel = document.selection.createRange();
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sel.text = myValue;
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this.focus();
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}
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// Mozilla and Webkit
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else if (this.selectionStart || this.selectionStart == '0') {
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var startPos = this.selectionStart;
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var endPos = this.selectionEnd;
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var scrollTop = this.scrollTop;
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this.value = this.value.substring(0, startPos) + myValue +
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this.value.substring(endPos,this.value.length);
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this.focus();
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this.selectionStart = startPos + myValue.length;
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this.selectionEnd = startPos + myValue.length;
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this.scrollTop = scrollTop;
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}
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else {
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this.value += myValue;
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this.focus();
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}
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}
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});
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});
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