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85 lines
2.1 KiB
JavaScript
85 lines
2.1 KiB
JavaScript
var TextareaPreview;
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$(document).ready(function () {
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'use strict';
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TextareaPreview = function (id, textarea_id) {
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if (!isNaN(+id)) {
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var textarea = document.getElementById(textarea_id || 'quickpost_' + id);
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if (textarea) {
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this.id = id;
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this.init(textarea);
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}
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}
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};
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TextareaPreview.factory = function (arrays) {
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var i = 0, j = arrays.length, t;
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for (i; i < j; i++) {
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t = arrays[i];
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t = new TextareaPreview(t[0], t[1]);
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}
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};
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TextareaPreview.prototype = {
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constructor: TextareaPreview,
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last : false,
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text : [['Edit', 'Edit text'], ['Preview', 'Preview text']],
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init : function (textarea) {
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this.elements(textarea);
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this.el.preview
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.on('dblclick.preview', $.proxy(this.toggle, this))
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.addClass('text_preview')
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.attr('title', 'Double click to edit.');
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this.buttons.preview
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.on('click.preview', $.proxy(this.get, this))
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.toggleClass('hidden');
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},
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elements : function (textarea) {
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this.el = {
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textarea : $(textarea),
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wrap : $('#textarea_wrap_' + this.id),
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preview : $('#preview_' + this.id),
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pwrap : $('#preview_wrap_' + this.id)
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};
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this.buttons = {
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preview : $('.button_preview_' + this.id)
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};
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},
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toggle : function () {
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var t = this.text[+(this.buttons.preview.val() === 'Edit')];
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this.el.wrap.toggleClass('hidden');
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this.el.pwrap.toggleClass('hidden');
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this.buttons.preview.val(t[0]);
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this.buttons.preview.attr('title', t[1]);
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},
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get : function () {
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if (this.buttons.preview.val() === 'Edit') {
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return this.toggle();
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}
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if (this.buttons.preview.val() === 'Preview'
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&& this.el.textarea.val().length > 0) {
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this.toggle();
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if (this.last !== this.el.textarea.val()) {
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this.el.preview.text('Loading . . .');
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this.last = this.el.textarea.val();
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this.post();
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}
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return;
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}
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},
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post : function () {
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$.post('ajax.php?action=preview',
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{ body : this.el.textarea.val() },
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$.proxy(this.html, this),
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'html'
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);
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// .fail(function (jqXHR, textStatus) {
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// alert('Request failed: ' + textStatus);
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// });
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},
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html : function (data) {
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this.el.preview.html(data);
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}
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};
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}); |