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/** |
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* King Addons Media Library Alt Text Generation Script |
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*/ |
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(function($, _, wp) { |
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'use strict'; |
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|
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$(document).ready(function() { |
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|
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// --- Media Library List View Button Handler --- // |
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$('body').on('click', '.king-addons-generate-alt-button', function(e) { |
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e.preventDefault(); |
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|
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var $button = $(this); |
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var $container = $button.closest('.king-addons-alt-text-status'); |
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var $spinner = $container.find('.spinner'); |
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var $resultSpan = $container.find('.king-addons-alt-text-result'); |
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var attachmentId = $container.data('attachment-id'); |
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|
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if ($button.is('.disabled')) { |
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return; // Prevent multiple clicks |
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} |
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|
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if (!attachmentId) { |
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console.error('King Addons: Missing attachment ID (List View).'); |
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$resultSpan.text(kingAddonsMediaAltText.error_text + ': Missing ID').css('color', 'red').show(); |
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return; |
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} |
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|
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$button.addClass('disabled').prop('disabled', true); |
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$spinner.css('display', 'inline-block'); |
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$resultSpan.hide().text(''); |
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|
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$.ajax({ |
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url: kingAddonsMediaAltText.ajax_url, |
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type: 'POST', |
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data: { |
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action: 'king_addons_generate_single_alt', |
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nonce: kingAddonsMediaAltText.nonce, |
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attachment_id: attachmentId |
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}, |
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dataType: 'json', |
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success: function(response) { |
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if (response.success) { |
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$container.empty().append('<span>' + escapeHtml(response.data.alt_text) + '</span>'); |
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} else { |
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var errorMessage = response.data && response.data.message ? response.data.message : kingAddonsMediaAltText.error_text; |
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$resultSpan.text(escapeHtml(errorMessage)).css('color', 'red').show(); |
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$button.removeClass('disabled').prop('disabled', false); |
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} |
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}, |
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error: function(jqXHR, textStatus, errorThrown) { |
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console.error('King Addons AJAX Error (List View):', textStatus, errorThrown, jqXHR.responseText); |
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var specificMessage = kingAddonsMediaAltText.error_text + ': ' + textStatus; |
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if (jqXHR.responseText) { |
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try { |
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var errorResponse = JSON.parse(jqXHR.responseText); |
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if (errorResponse && errorResponse.data && errorResponse.data.message) { |
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specificMessage = escapeHtml(errorResponse.data.message); |
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} |
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} catch (e) { /* Ignore */ } |
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} |
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$resultSpan.text(specificMessage).css('color', 'red').show(); |
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$button.removeClass('disabled').prop('disabled', false); |
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}, |
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complete: function() { |
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$spinner.hide(); |
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} |
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}); |
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}); |
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// --- End Media Library List View Button Handler --- // |
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|
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// --- Media Modal Button Injection using wp.media API --- // |
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if (typeof wp !== 'undefined' && wp.media) { |
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|
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// Define our custom button view for generation |
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const KingAddonsGenerateButton = wp.media.view.Button.extend({ |
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className: 'button button-primary button-big king-addons-generate-modal-button ', |
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template: _.template('<span class="spinner king-addons-modal-spinner" style="float: none; vertical-align: middle; margin-left: 5px; display: none;"></span><span class="king-addons-button-text"></span>'), |
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|
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initialize: function() { |
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wp.media.view.Button.prototype.initialize.apply(this, arguments); |
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this.model = this.options.attachmentModel; |
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this.$altInput = this.options.$altInput; |
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this.bindHandlers(); |
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}, |
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|
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render: function() { |
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wp.media.view.Button.prototype.render.apply(this, arguments); |
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this.$el.html(this.template()); |
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this.$spinner = this.$el.find('.king-addons-modal-spinner'); |
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this.$buttonTextSpan = this.$el.find('.king-addons-button-text'); |
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this.$buttonTextSpan.text(kingAddonsMediaAltText.generating_text ? kingAddonsMediaAltText.generating_text.replace('...', ' with AI') : 'Generate with AI'); |
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return this; |
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}, |
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|
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bindHandlers: function() { |
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// Check if alt text exists initially and hide button if it does |
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if (this.model && this.model.get('alt')) { |
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this.$el.hide(); |
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} |
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// Listen for changes on the alt text model property |
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if (this.model) { |
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this.listenTo(this.model, 'change:alt', this.toggleVisibility); |
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} |
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// Also listen to changes directly on the input field |
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if (this.$altInput) { |
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this.$altInput.on('input change', _.debounce(this.toggleVisibilityBasedOnInput.bind(this), 300)); |
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} |
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}, |
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|
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// Hide button if alt text is added |
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toggleVisibility: function() { |
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if (this.model && this.model.get('alt')) { |
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this.$el.fadeOut(); |
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} else { |
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this.$el.fadeIn(); |
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} |
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}, |
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|
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toggleVisibilityBasedOnInput: function() { |
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if (this.$altInput && this.$altInput.val()) { |
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this.$el.fadeOut(); |
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} else if (!this.model || !this.model.get('alt')) { |
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this.$el.fadeIn(); |
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} |
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}, |
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|
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// Handle the button click: Perform AJAX request |
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click: function(e) { |
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e.preventDefault(); |
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var attachmentId = this.model.id; |
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|
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if (!attachmentId || !this.$altInput || this.$el.is('.disabled')) { |
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console.error('King Addons: Missing data for modal generation.', { id: attachmentId, input: this.$altInput }); |
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return; |
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} |
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|
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// Find the status span, which is now external |
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this.$statusSpan = this.$el.next('.king-addons-modal-status'); |
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if (!this.$statusSpan.length) { |
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console.error("King Addons: Could not find external status span next to button."); |
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return; |
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} |
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|
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// Show loading state |
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this.$el.addClass('disabled').prop('disabled', true); |
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this.$spinner.css('display', 'inline-block').addClass('is-active'); |
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this.$buttonTextSpan.css('display', 'none'); |
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this.$statusSpan.text('').css('color', ''); |
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|
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var self = this; |
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|
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$.ajax({ |
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url: kingAddonsMediaAltText.ajax_url, |
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type: 'POST', |
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data: { |
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action: 'king_addons_generate_single_alt', |
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nonce: kingAddonsMediaAltText.nonce, |
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attachment_id: attachmentId |
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}, |
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dataType: 'json', |
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success: function(response) { |
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if (response.success && response.data.alt_text) { |
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// Update the input value |
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self.$altInput.val(response.data.alt_text).trigger('change'); |
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// Update the model as well |
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self.model.set('alt', response.data.alt_text); |
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|
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if (self.$statusSpan) self.$statusSpan.text('Generated!').css('color', 'green'); |
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setTimeout(function() { |
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if (self.$statusSpan) self.$statusSpan.text(''); |
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}, 3000); |
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} else { |
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var errorMessage = response.data && response.data.message ? response.data.message : kingAddonsMediaAltText.error_text; |
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if (self.$statusSpan) self.$statusSpan.text(escapeHtml(errorMessage)).css('color', 'red'); |
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if (self.$el) self.$el.removeClass('disabled').prop('disabled', false); |
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if (self.$spinner) self.$spinner.css('display', 'none').removeClass('is-active'); |
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if (self.$buttonTextSpan) self.$buttonTextSpan.css('display', 'inline'); |
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} |
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}, |
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error: function(jqXHR, textStatus, errorThrown) { |
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console.error('King Addons Modal Generate AJAX Error:', textStatus, errorThrown, jqXHR.responseText); |
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var specificMessage = kingAddonsMediaAltText.error_text; |
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if (jqXHR.responseText) { |
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try { |
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var errorResponse = JSON.parse(jqXHR.responseText); |
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if (errorResponse && errorResponse.data && errorResponse.data.message) { |
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specificMessage = escapeHtml(errorResponse.data.message); |
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} |
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} catch (e) { /* Ignore */ } |
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} |
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if (self.$statusSpan) self.$statusSpan.text(specificMessage + ' (' + textStatus + ')').css('color', 'red'); |
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if (self.$el) self.$el.removeClass('disabled').prop('disabled', false); |
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if (self.$spinner) self.$spinner.css('display', 'none').removeClass('is-active'); |
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if (self.$buttonTextSpan) self.$buttonTextSpan.css('display', 'inline'); |
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}, |
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complete: function() { |
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if (self.$spinner && self.$spinner.is(':visible')) { |
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self.$spinner.css('display', 'none').removeClass('is-active'); |
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} |
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} |
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}); |
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} |
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}); |
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|
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// Define our custom settings link view for when API key is missing |
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const KingAddonsSettingsLink = wp.media.view.Button.extend({ |
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className: 'button button-primary button-big king-addons-settings-modal-link', |
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tagName: 'a', |
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|
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initialize: function() { |
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wp.media.view.Button.prototype.initialize.apply(this, arguments); |
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this.model = this.options.attachmentModel; |
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this.$altInput = this.options.$altInput; |
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this.bindHandlers(); |
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}, |
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|
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render: function() { |
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wp.media.view.Button.prototype.render.apply(this, arguments); |
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this.$el.text('Generate with AI').attr({ |
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'href': kingAddonsMediaAltText.settings_url, |
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'target': '_blank', |
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'rel': 'noopener noreferrer' |
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}); |
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return this; |
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}, |
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|
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bindHandlers: function() { |
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// Check if alt text exists initially and hide button if it does |
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if (this.model && this.model.get('alt')) { |
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this.$el.hide(); |
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} |
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// Listen for changes on the alt text model property |
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if (this.model) { |
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this.listenTo(this.model, 'change:alt', this.toggleVisibility); |
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} |
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// Also listen to changes directly on the input field |
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if (this.$altInput) { |
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this.$altInput.on('input change', _.debounce(this.toggleVisibilityBasedOnInput.bind(this), 300)); |
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} |
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}, |
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|
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// Hide button if alt text is added |
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toggleVisibility: function() { |
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if (this.model && this.model.get('alt')) { |
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this.$el.fadeOut(); |
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} else { |
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this.$el.fadeIn(); |
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} |
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}, |
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|
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toggleVisibilityBasedOnInput: function() { |
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if (this.$altInput && this.$altInput.val()) { |
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this.$el.fadeOut(); |
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} else if (!this.model || !this.model.get('alt')) { |
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this.$el.fadeIn(); |
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} |
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}, |
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|
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// Handle clicks (default link behavior) |
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click: function(e) { |
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// Let the default link behavior handle this |
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// The link will open the settings page in a new tab |
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} |
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}); |
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|
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// Hook into the media frame rendering |
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wp.media.events.on('editor:render', function(editor) { |
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attachButtonToSidebar(editor); |
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}); |
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|
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// Need to handle different ways the sidebar might render/update |
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var originalSidebar = wp.media.view.Attachment.Details.TwoColumn; |
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if (originalSidebar) { |
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wp.media.view.Attachment.Details.TwoColumn = originalSidebar.extend({ |
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render: function() { |
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originalSidebar.prototype.render.apply(this, arguments); |
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attachButtonLogic(this); |
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} |
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}); |
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} |
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var originalDetails = wp.media.view.Attachment.Details; |
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if (originalDetails) { |
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wp.media.view.Attachment.Details = originalDetails.extend({ |
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render: function() { |
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originalDetails.prototype.render.apply(this, arguments); |
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attachButtonLogic(this); |
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} |
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}); |
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} |
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|
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// Function to find the alt text field and inject the button |
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function attachButtonLogic(viewInstance) { |
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var attachmentModel = viewInstance.model; |
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if (!attachmentModel) return; |
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|
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var $altSetting = viewInstance.$el.find('.setting[data-setting="alt"]'); |
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if (!$altSetting.length) return; |
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|
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var $altDesc = viewInstance.$el.find('#alt-text-description'); |
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if (!$altDesc.length) return; |
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|
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var $altTextarea = $altSetting.find('textarea'); |
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if (!$altTextarea.length) return; |
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|
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// Prevent duplicate injection for this specific view instance |
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if ($altSetting.data('king-addons-button-added')) return; |
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$altSetting.data('king-addons-button-added', true); |
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|
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// Create status span separately (only needed for generation) |
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var $statusSpan = $('<span class="king-addons-modal-status" style="margin-left: 10px; vertical-align: baseline;"></span>'); |
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|
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// Choose which button to show based on API key availability |
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var buttonInstance; |
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if (kingAddonsMediaAltText.has_api_key) { |
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// Instantiate and render the generation button |
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buttonInstance = new KingAddonsGenerateButton({ |
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controller: viewInstance.controller, |
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model: viewInstance.model, |
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attachmentModel: attachmentModel, |
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$altInput: $altTextarea |
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}).render(); |
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} else { |
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// Instantiate and render the settings link |
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buttonInstance = new KingAddonsSettingsLink({ |
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controller: viewInstance.controller, |
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model: viewInstance.model, |
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attachmentModel: attachmentModel, |
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$altInput: $altTextarea |
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}).render(); |
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} |
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|
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// Wrap button and status span in a container div with a unique class |
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const $containerDiv = $('<div class="king-addons-modal-alt-gen-container"></div>'); |
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$containerDiv.append(buttonInstance.$el); |
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|
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// Only add status span for generation button |
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if (kingAddonsMediaAltText.has_api_key) { |
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$containerDiv.append($statusSpan); |
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} |
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|
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// Insert the container after the textarea |
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$altDesc.prepend($containerDiv); |
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} |
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|
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// Helper for editor:render event |
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function attachButtonToSidebar(sidebarView) { |
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if (sidebarView && sidebarView.details) { |
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attachButtonLogic(sidebarView.details); |
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} |
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} |
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|
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} else { |
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console.error("King Addons: wp.media object not found."); |
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} |
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// --- End Media Modal Button Injection --- // |
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|
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}); |
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|
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// Basic HTML escaping function |
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function escapeHtml(unsafe) { |
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if (!unsafe) return ''; |
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return unsafe |
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.replace(/&/g, "&") |
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.replace(/</g, "<") |
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.replace(/>/g, ">") |
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.replace(/"/g, """) |
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.replace(/'/g, "'"); |
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} |
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|
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})(jQuery, _, wp); |
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|
