b29606f840
- Hopefully fixed video page bug - Fixed re-activation bug
500 lines
20 KiB
JavaScript
500 lines
20 KiB
JavaScript
/// <reference path="jquery-1.2.6-vsdoc.js" />
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(function($) {
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$.fn.annotateImage = function(options) {
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/// <summary>
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/// Creates annotations on the given image.
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/// Images are loaded from the "getUrl" propety passed into the options.
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/// </summary>
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var opts = $.extend({}, $.fn.annotateImage.defaults, options);
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var image = this;
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this.image = this;
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this.mode = 'view';
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// Assign defaults
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this.getUrl = opts.getUrl;
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this.saveUrl = opts.saveUrl;
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this.deleteUrl = opts.deleteUrl;
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this.deleteUrl = opts.deleteUrl;
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this.editable = opts.editable;
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this.useAjax = opts.useAjax;
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this.tags = opts.tags;
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this.notes = opts.notes;
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this.labels = opts.labels;
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this.csrf = opts.csrf;
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this.cssaclass = opts.cssaclass;
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// Add the canvas
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this.canvas = $('<div class="image-annotate-canvas g-thumbnail"><div class="image-annotate-view"></div><div class="image-annotate-edit"><div class="image-annotate-edit-area"></div></div></div>');
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this.canvas.children('.image-annotate-edit').hide();
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this.canvas.children('.image-annotate-view').hide();
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this.image.after(this.canvas);
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// Give the canvas and the container their size and background
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this.canvas.height(this.height());
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this.canvas.width(this.width());
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this.canvas.css('background-image', 'url("' + this.attr('src') + '")');
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this.canvas.children('.image-annotate-view, .image-annotate-edit').height(this.height());
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this.canvas.children('.image-annotate-view, .image-annotate-edit').width(this.width());
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// Add the behavior: hide/show the notes when hovering the picture
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this.canvas.hover(function() {
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if ($(this).children('.image-annotate-edit').css('display') == 'none') {
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$(this).children('.image-annotate-view').show();
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}
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}, function() {
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$(this).children('.image-annotate-view').hide();
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$(this).children('.image-annotate-note').hide();
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});
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this.canvas.children('.image-annotate-view').hover(function() {
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$(this).show();
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}, function() {
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$(this).hide();
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$(this).children('.image-annotate-note').hide();
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});
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// load the notes
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if (this.useAjax) {
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$.fn.annotateImage.ajaxLoad(this);
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} else {
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$.fn.annotateImage.load(this, this.labels, this.editable, this.csrf, this.deleteUrl, this.tags, this.saveUrl, this.cssaclass);
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}
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// Add the "Add a note" button
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if ($('#g-photoannotation-link').length != 0) {
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this.button = $('#g-photoannotation-link');
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this.button.click(function() {
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$.fn.annotateImage.add(image, opts.tags, opts.labels, opts.saveUrl, opts.csrf);
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});
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//this.canvas.after(this.button);
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}
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// Hide the original
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this.hide();
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return this;
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};
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/**
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* Plugin Defaults
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**/
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$.fn.annotateImage.defaults = {
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getUrl: 'your-get.rails',
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saveUrl: 'your-save.rails',
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deleteUrl: 'your-delete.rails',
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editable: true,
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useAjax: true,
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tags: new Array(),
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notes: new Array()
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};
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$.fn.annotateImage.clear = function(image) {
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/// <summary>
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/// Clears all existing annotations from the image.
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/// </summary>
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for (var i = 0; i < image.notes.length; i++) {
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image.notes[image.notes[i]].destroy();
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}
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image.notes = new Array();
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};
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$.fn.annotateImage.ajaxLoad = function(image) {
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/// <summary>
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/// Loads the annotations from the "getUrl" property passed in on the
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/// options object.
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/// </summary>
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$.getJSON(image.getUrl + '?ticks=' + $.fn.annotateImage.getTicks(), function(data) {
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image.notes = data;
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$.fn.annotateImage.load(image);
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});
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};
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$.fn.annotateImage.load = function(image, labels, editable, csrf, deleteUrl, tags, saveUrl, cssaclass) {
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/// <summary>
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/// Loads the annotations from the notes property passed in on the
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/// options object.
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/// </summary>
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for (var i = 0; i < image.notes.length; i++) {
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image.notes[image.notes[i]] = new $.fn.annotateView(image, image.notes[i], tags, labels, editable, csrf, deleteUrl, saveUrl, cssaclass);
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}
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};
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$.fn.annotateImage.getTicks = function() {
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/// <summary>
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/// Gets a count og the ticks for the current date.
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/// This is used to ensure that URLs are always unique and not cached by the browser.
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/// </summary>
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var now = new Date();
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return now.getTime();
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};
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$.fn.annotateImage.add = function(image, tags, labels, saveUrl, csrf) {
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/// <summary>
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/// Adds a note to the image.
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/// </summary>
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if (image.mode == 'view') {
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image.mode = 'edit';
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// Create/prepare the editable note elements
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var editable = new $.fn.annotateEdit(image, null, tags, labels, saveUrl, csrf);
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$.fn.annotateImage.createSaveButton(editable, image);
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$.fn.annotateImage.createCancelButton(editable, image);
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}
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};
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$.fn.annotateImage.createSaveButton = function(editable, image, note) {
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/// <summary>
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/// Creates a Save button on the editable note.
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/// </summary>
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var ok = $('<a class="image-annotate-edit-ok g-button ui-corner-all ui-icon-left ui-state-default">OK</a>');
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ok.click(function() {
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var form = $('#image-annotate-edit-form form');
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var text = $('#image-annotate-text').val();
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$.fn.annotateImage.appendPosition(form, editable)
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image.mode = 'view';
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form.submit();
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editable.destroy();
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});
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editable.form.append(ok);
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};
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$.fn.annotateImage.createCancelButton = function(editable, image) {
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/// <summary>
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/// Creates a Cancel button on the editable note.
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/// </summary>
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var cancel = $('<a class="image-annotate-edit-close g-button ui-corner-all ui-icon-left ui-state-default">Cancel</a>');
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cancel.click(function() {
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editable.destroy();
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image.mode = 'view';
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location.reload();
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});
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editable.form.append(cancel);
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};
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$.fn.annotateImage.saveAsHtml = function(image, target) {
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var element = $(target);
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var html = "";
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for (var i = 0; i < image.notes.length; i++) {
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html += $.fn.annotateImage.createHiddenField("text_" + i, image.notes[i].text);
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html += $.fn.annotateImage.createHiddenField("top_" + i, image.notes[i].top);
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html += $.fn.annotateImage.createHiddenField("left_" + i, image.notes[i].left);
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html += $.fn.annotateImage.createHiddenField("height_" + i, image.notes[i].height);
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html += $.fn.annotateImage.createHiddenField("width_" + i, image.notes[i].width);
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}
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element.html(html);
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};
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$.fn.annotateImage.createHiddenField = function(name, value) {
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return '<input type="hidden" name="' + name + '" value="' + value + '" /><br />';
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};
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$.fn.annotateEdit = function(image, note, tags, labels, saveUrl, csrf) {
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/// <summary>
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/// Defines an editable annotation area.
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/// </summary>
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this.image = image;
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if (note) {
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this.note = note;
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} else {
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var newNote = new Object();
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newNote.noteid = "new";
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newNote.top = 30;
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newNote.left = 30;
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newNote.width = 30;
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newNote.height = 30;
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newNote.text = "";
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newNote.description = "";
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newNote.notetype = "";
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this.note = newNote;
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}
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// Set area
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var area = image.canvas.children('.image-annotate-edit').children('.image-annotate-edit-area');
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this.area = area;
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this.area.css('height', this.note.height + 'px');
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this.area.css('width', this.note.width + 'px');
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this.area.css('left', this.note.left + 'px');
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this.area.css('top', this.note.top + 'px');
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// Show the edition canvas and hide the view canvas
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image.canvas.children('.image-annotate-view').hide();
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image.canvas.children('.image-annotate-edit').show();
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// Add the note (which we'll load with the form afterwards)
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var selectedtag = "";
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if (this.note.text == "" || this.note.notetype == "note")
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{
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selectedtag = " selected=\"selected\"";
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}
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var tagdropdown = labels[0] + '<select id="tagsList" class="dropdown" name="tagsList"><option value="-1"' + selectedtag + '>No Tag</option>';
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if (tags)
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{
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for (var tag in tags)
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{
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var tagval = tags[tag];
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selectedtag = "";
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if (tagval.name == this.note.text && this.note.notetype == "face") {
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selectedtag = " selected=\"selected\"";
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}
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tagdropdown += '<option value="' + tagval.id + '"' + selectedtag + '>' + tagval.name + '</option>';
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}
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}
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tagdropdown += '</select>';
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var notetitle = "";
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if (this.note.notetype == "note") {
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notetitle = this.note.text;
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}
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var form = $('<div id="image-annotate-edit-form"><form action="' + saveUrl + '" method="post"><input type="hidden" name="csrf" value="' + csrf + '" /><input type="hidden" name="noteid" value="' + this.note.noteid + '" /><input type="hidden" name="notetype" value="' + this.note.notetype + '" />' + tagdropdown + labels[1] + '<textarea id="image-annotate-text" name="text" rows="3" cols="30">' + notetitle + '</textarea>' + labels[2] + '<textarea id="image-annotate-desc" name="desc" rows="3" cols="30">' + this.note.description + '</textarea></form></div>');
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this.form = form;
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$('body').append(this.form);
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this.form.css('left', this.area.offset().left + 'px');
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this.form.css('top', (parseInt(this.area.offset().top) + parseInt(this.area.height()) + 7) + 'px');
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// Set the area as a draggable/resizable element contained in the image canvas.
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// Would be better to use the containment option for resizable but buggy
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area.resizable({
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handles: 'all',
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stop: function(e, ui) {
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form.css('left', area.offset().left + 'px');
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form.css('top', (parseInt(area.offset().top) + parseInt(area.height()) + 2) + 'px');
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}
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})
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.draggable({
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containment: image.canvas,
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drag: function(e, ui) {
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form.css('left', area.offset().left + 'px');
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form.css('top', (parseInt(area.offset().top) + parseInt(area.height()) + 2) + 'px');
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},
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stop: function(e, ui) {
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form.css('left', area.offset().left + 'px');
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form.css('top', (parseInt(area.offset().top) + parseInt(area.height()) + 2) + 'px');
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}
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});
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return this;
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};
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$.fn.annotateEdit.prototype.destroy = function() {
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/// <summary>
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/// Destroys an editable annotation area.
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/// </summary>
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this.image.canvas.children('.image-annotate-edit').hide();
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this.area.resizable('destroy');
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this.area.draggable('destroy');
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this.area.css('height', '');
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this.area.css('width', '');
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this.area.css('left', '');
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this.area.css('top', '');
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this.form.remove();
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}
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$.fn.annotateView = function(image, note, tags, labels, editable, csrf, deleteUrl, saveUrl, cssaclass) {
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/// <summary>
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/// Defines a annotation area.
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/// </summary>
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this.image = image;
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this.note = note;
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// Add the area
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this.area = $('<div class="image-annotate-area' + (this.note.editable ? ' image-annotate-area-editable' : '') + '"><div></div></div>');
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image.canvas.children('.image-annotate-view').prepend(this.area);
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if (editable) {
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this.delarea = $('<div id="photoannotation-del-' + this.note.noteid + '" class="image-annotate-area photoannotation-del-button"><div><form method="post" action="' + deleteUrl + '"><input type="hidden" name="notetype" value="' + this.note.notetype + '" /><input type="hidden" name="noteid" value="' + this.note.noteid + '" /><input type="hidden" name="csrf" value="' + csrf + '" /></form></div></div>');
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this.editarea = $('<div id="photoannotation-edit-' + this.note.noteid + '" class="image-annotate-area photoannotation-edit-button"><div></div></div>');
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image.canvas.children('.image-annotate-view').prepend(this.delarea);
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image.canvas.children('.image-annotate-view').prepend(this.editarea);
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this.delarea.bind('click',function () {
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if (confirm(labels[3])) {
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var alink = $(cssaclass);
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alink.unbind();
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alink.attr ('href', '#');
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alink.removeAttr ('rel');
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var delform = $(this).children('div').children('form');
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delform.submit();
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}
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})
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var form = this;
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this.editarea.bind('click',function () {
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var alink = $(cssaclass);
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alink.unbind();
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alink.attr ('href', '#');
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alink.removeAttr ('rel');
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form.edit(tags, labels, saveUrl, csrf);
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})
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this.delarea.hide();
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this.editarea.hide();
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}
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// Add the note
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var notedescription = "";
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if (note.description != "") {
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notedescription = "<br />" + note.description;
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}
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this.form = $('<div class="image-annotate-note">' + note.text + notedescription + '</div>');
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this.form.hide();
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image.canvas.children('.image-annotate-view').append(this.form);
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this.form.children('span.actions').hide();
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// Set the position and size of the note
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this.setPosition();
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// Add the behavior: hide/display the note when hovering the area
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var annotation = this;
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this.area.hover(function() {
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annotation.show();
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if (annotation.delarea != undefined) {
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annotation.delarea.show();
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annotation.editarea.show();
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}
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}, function() {
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annotation.hide();
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if (annotation.delarea != undefined) {
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annotation.delarea.hide();
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annotation.editarea.hide();
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}
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});
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if (editable) {
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this.delarea.hover(function() {
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annotation.delarea.show();
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annotation.editarea.show();
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}, function() {
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annotation.delarea.hide();
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annotation.editarea.hide();
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});
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this.editarea.hover(function() {
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annotation.delarea.show();
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annotation.editarea.show();
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}, function() {
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annotation.delarea.hide();
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annotation.editarea.hide();
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});
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}
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// Edit a note feature
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if (note.url != "" && note.url != null) {
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this.area.bind('click',function () {
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var alink = $(cssaclass);
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alink.unbind();
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alink.attr ('href', '#');
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alink.removeAttr ('rel');
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window.location = note.url;
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})
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}
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};
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$.fn.annotateView.prototype.setPosition = function() {
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/// <summary>
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/// Sets the position of an annotation.
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/// </summary>
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this.area.children('div').height((parseInt(this.note.height) - 2) + 'px');
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this.area.children('div').width((parseInt(this.note.width) - 2) + 'px');
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this.area.css('left', (this.note.left) + 'px');
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this.area.css('top', (this.note.top) + 'px');
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this.form.css('left', (this.note.left) + 'px');
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this.form.css('top', (parseInt(this.note.top) + parseInt(this.note.height) + 7) + 'px');
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if (this.delarea != undefined) {
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this.delarea.children('div').height('14px');
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this.delarea.children('div').width('14px');
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this.delarea.css('left', (this.note.left + parseInt(this.note.width)) + 'px');
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this.delarea.css('top', (this.note.top) + 'px');
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this.editarea.children('div').height('14px');
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this.editarea.children('div').width('14px');
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this.editarea.css('left', (this.note.left + parseInt(this.note.width)) + 'px');
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this.editarea.css('top', (this.note.top + 16) + 'px');
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}
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};
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$.fn.annotateView.prototype.show = function() {
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/// <summary>
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/// Highlights the annotation
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/// </summary>
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this.form.fadeIn(250);
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if (!this.note.editable) {
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this.area.addClass('image-annotate-area-hover');
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} else {
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this.area.addClass('image-annotate-area-editable-hover');
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}
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};
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$.fn.annotateView.prototype.hide = function() {
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/// <summary>
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/// Removes the highlight from the annotation.
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/// </summary>
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this.form.fadeOut(250);
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this.area.removeClass('image-annotate-area-hover');
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this.area.removeClass('image-annotate-area-editable-hover');
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};
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$.fn.annotateView.prototype.destroy = function() {
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/// <summary>
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/// Destroys the annotation.
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/// </summary>
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this.area.remove();
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this.form.remove();
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}
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$.fn.annotateView.prototype.edit = function(tags, labels, saveUrl, csrf) {
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/// <summary>
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/// Edits the annotation.
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/// </summary>
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if (this.image.mode == 'view') {
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this.image.mode = 'edit';
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var annotation = this;
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// Create/prepare the editable note elements
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var editable = new $.fn.annotateEdit(this.image, this.note, tags, labels, saveUrl, csrf);
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$.fn.annotateImage.createSaveButton(editable, this.image, annotation);
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$.fn.annotateImage.createCancelButton(editable, this.image);
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}
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};
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$.fn.annotateImage.appendPosition = function(form, editable) {
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/// <summary>
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/// Appends the annotations coordinates to the given form that is posted to the server.
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/// </summary>
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var areaFields = $('<input type="hidden" value="' + editable.area.height() + '" name="height"/>' +
|
|
'<input type="hidden" value="' + editable.area.width() + '" name="width"/>' +
|
|
'<input type="hidden" value="' + editable.area.position().top + '" name="top"/>' +
|
|
'<input type="hidden" value="' + editable.area.position().left + '" name="left"/>' +
|
|
'<input type="hidden" value="' + editable.note.id + '" name="id"/>');
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|
form.append(areaFields);
|
|
}
|
|
|
|
$.fn.annotateView.prototype.resetPosition = function(editable, text) {
|
|
/// <summary>
|
|
/// Sets the position of an annotation.
|
|
/// </summary>
|
|
this.form.html(text);
|
|
this.form.hide();
|
|
|
|
// Resize
|
|
this.area.children('div').height(editable.area.height() + 'px');
|
|
this.area.children('div').width((editable.area.width() - 2) + 'px');
|
|
this.area.css('left', (editable.area.position().left) + 'px');
|
|
this.area.css('top', (editable.area.position().top) + 'px');
|
|
this.form.css('left', (editable.area.position().left) + 'px');
|
|
this.form.css('top', (parseInt(editable.area.position().top) + parseInt(editable.area.height()) + 7) + 'px');
|
|
|
|
// Save new position to note
|
|
this.note.top = editable.area.position().top;
|
|
this.note.left = editable.area.position().left;
|
|
this.note.height = editable.area.height();
|
|
this.note.width = editable.area.width();
|
|
this.note.text = text;
|
|
this.note.id = editable.note.id;
|
|
this.editable = true;
|
|
};
|
|
|
|
})(jQuery);
|