Script, which allow you automatically update all album photos description.

VKPhotoDescriptionUpdater.js

(function() {
        'use strict';
        var VKPhotoDescriptionUpdater = {
            isDone: false,
            isCaptcha: false,
            maxPhotos: null,
            isReplace: false,
            isAddToEnd: false,
            text: null,
            textToReplace: null,
            currentText: null,
            finalText: '',
            counter: 0,
            timer: 200,
            sound: null,

            /* UI */
            vkPhotoUpdaterSettings: null,
            vkPhotoUpdaterText: null,
            vkPhotoUpdaterTextToReplace: null,
            vkPhotoUpdaterIsReplace: null,
            vkPhotoUpdaterRun: null,
            vkPhotoUpdaterStat: null,
            vkPhotoUpdaterCount: null,

            init: function() {
                this.maxPhotos = cur.pvData[cur.pvListId].length;

                this.showUI();

                this.vkPhotoUpdaterSettings = document.getElementById('vkPhotoUpdaterSettings');
                this.vkPhotoUpdaterText = document.getElementById('vkPhotoUpdaterText');
                this.vkPhotoUpdaterTextToReplace = document.getElementById('vkPhotoUpdaterTextToReplace');
                this.vkPhotoUpdaterIsReplace = document.getElementById('vkPhotoUpdaterIsReplace');
                this.vkPhotoUpdaterAddToEnd = document.getElementById('vkPhotoUpdaterAddToEnd');
                this.vkPhotoUpdaterRun = document.getElementById('vkPhotoUpdaterRun');
                this.vkPhotoUpdaterStat = document.getElementById('vkPhotoUpdaterStat');
                this.vkPhotoUpdaterCount = document.getElementById('vkPhotoUpdaterCount');
                this.vkPhotoUpdaterRestartSel = document.getElementById('vkPhotoUpdaterRestartSel');
                this.vkPhotoUpdaterRestartBtn = document.getElementById('vkPhotoUpdaterRestartBtn');

                this.sound = new Sound('mp3/bb2');
                this.events();
            },

            events: function() {
                this.vkPhotoUpdaterRun.addEventListener('click', this.runApp.bind(this));
                this.vkPhotoUpdaterIsReplace.addEventListener('click', this.showReplaceBox.bind(this));
                this.vkPhotoUpdaterRestartBtn.addEventListener('click', this.restart.bind(this));
            },

            runApp: function() {
                this.text = this.vkPhotoUpdaterText.value;
                this.textToReplace = this.vkPhotoUpdaterTextToReplace.value;
                this.isReplace = this.vkPhotoUpdaterIsReplace.checked;
                this.isAddToEnd = this.vkPhotoUpdaterAddToEnd.checked;
                this.showStatistics();
                this.updateDescription();
            },

            showReplaceBox: function() {
                if (this.vkPhotoUpdaterTextToReplace.style.display == 'none') {
                    this.vkPhotoUpdaterTextToReplace.style.display = 'block';
                } else {
                    this.vkPhotoUpdaterTextToReplace.style.display = 'none';
                }
            },

            showStatistics: function() {
                this.vkPhotoUpdaterSettings.style.display = 'none';
                this.vkPhotoUpdaterStat.style.display = 'block';
            },

            updateDescription: function() {
                if (this.isDone) { this.afterComplete(); return; }
                this.editInline(event);
            },

            onTextUpdate: function() {
                this.updateCounter();
                if (!cur.pvTagger && checkEvent(event) === false) {
                    if (!this.isCaptcha) Photoview.show(false, cur.pvIndex + 1, event);
                    this.updateDescription();
                    if (cur.pvIndex + 1 == this.maxPhotos) { this.isDone = true; }
                }
            },

            onTextShow: function() {
                var self = this;
                if (document.getElementById('pv_edit_text')) {
                    self.currentText = document.getElementById('pv_edit_text').value;

                    if (self.isReplace) {
                        if (self.currentText.length) {
                            self.finalText = self.currentText.replace(self.text, self.textToReplace);
                        }
                    } else {
                        if (self.isAddToEnd) {
                            self.finalText = self.currentText + ' ' + self.text;
                        } else {
                            self.finalText = self.text;
                        }
                    }
                    document.getElementById('pv_edit_text').value = self.finalText;
                    self.saveInline();
                }
            },

            updateCounter: function() {
                this.counter += 1;
                this.vkPhotoUpdaterCount.innerHTML = this.counter;
            },

            afterComplete: function() {
                this.vkPhotoUpdaterRestartSel.style.display = 'block';
            },

            restart: function() {
                this.isDone = false;
                this.counter = 0;
                this.vkPhotoUpdaterCount.innerHTML = 0;
                this.vkPhotoUpdaterSettings.style.display = 'block';
                this.vkPhotoUpdaterStat.style.display = 'none';
                this.vkPhotoUpdaterRestartSel.style.display = 'none';
            },

            saveInline: function() {
                var self = this;
                if (!cur.pvEditing) return;
                removeEvent(ge('pv_edit_text'), 'blur');

                var listId = cur.pvEditing[0], index = cur.pvEditing[1], ph = cur.pvData[listId][index], t = trim(val('pv_edit_text'));
                if (geByClass1('pv_desc_edit', cur.pvDesc) && !t) return Photoview.cancelInline();
                ajax.post('al_photos.php', {act: 'save_desc', photo: ph.id, hash: ph.hash, text: t}, {
                    onDone: function (text) {
                        ph.desc = text;

                        var shown = cur.pvShown && listId == cur.pvListId && index == cur.pvIndex;
                        if (!shown) return;

                        cur.pvEditing = false;
                        var d = domFC(cur.pvDesc);
                        val(d, text || ('<span class="pv_desc_edit">' + getLang('photos_edit_desc') + '</span>'));
                        d.onmouseover = text ? Photoview.descTT.pbind(d) : function () {
                        };
                        show(d);
                        re(domNS(d));
                        self.onTextUpdate();
                    }, progress: 'pv_inlineedit_prg'
                });
            },

            editInline: function editInline(ev, noreq) {
                var self = this;
                if (((ev || window.event || {}).target || {}).tagName == 'A' || cur.pvEditing) return;

                var listId = cur.pvListId, index = cur.pvIndex, ph = cur.pvData[listId][index], noreq = !ph.desc;
                var onDone = function (text) {
                    if (!cur.pvShown || cur.pvListId != listId || cur.pvIndex != index || cur.pvEditing) return;

                    cur.pvEditing = [listId, index];
                    var mrg = '0px 0px 0px', taStyle = '';
                    if (browser.chrome || browser.msie) {
                        mrg = '0px 0px -5px';
                        taStyle = ' style="padding-bottom: 0px"';
                    } else if (browser.mozilla) {
                        mrg = '0px -1px 0px';
                    }
                    var el = cur.pvDesc.appendChild(ce('div', {
                        innerHTML: '\
                    <div style="margin: ' + mrg + '">\
                      <textarea id="pv_edit_text"' + taStyle + ' onkeydown="onCtrlEnter(event, Photoview.saveInline)" onkeyup="checkTextLength(cur.pvCaptionLimit, this, ge(\'pv_caption_warn\'));" placeholder="' + getLang('photos_edit_desc_intro') + '">' + text + '</textarea>\
                      <div id="pv_caption_warn"></div>\
                    </div>'
                    }, {display: 'none'})), txt = ge('pv_edit_text');
                    placeholderSetup(txt, {back: 1});
                    autosizeSetup(txt, {minHeight: 13});
                    setTimeout(function () {
                        show(el);
                        elfocus(txt);
                        addEvent(txt, 'blur', Photoview.saveInline);
                        hide(cur.pvDesc.firstChild);
                        self.onTextShow();
                    }, 1);
                };
                if (!noreq) {
                    ajax.post('al_photos.php', {act: 'edit_desc', photo: ph.id}, {
                        onDone: onDone,
                        progress: 'pv_inlineedit_prg'
                    });
                } else {
                    onDone('');
                }
            },

            showCaptchaBox: function() {
                this.sound.play();
            },

            showUI: function() {
                var boxC, cont, wrap, cont, opts, Mybox;

                boxC = '<div class=""><div class="fc_tab_head"><a class="fc_tab_close_wrap fl_r"><div class="chats_sp fc_tab_close"></div></a><div class="fc_tab_title noselect">%title%</div></div><div id="fc_ctabs_cont"><div class="fc_ctab fc_ctab_active">%content%</div></div></div></div>';
                cont = '';
                cont += "<div class=\"fc_content_wrap\">";
                cont += "    <div class=\"fc_content\">";
                cont += "        <div class=\"wk_likes_likers_rows\">";
                cont += "            <div id=\"vkPhotoUpdaterSettings\">";
                cont += "                <textarea name=\"text\" id=\"vkPhotoUpdaterText\" placeholder=\"Текст\"><\/textarea>";
                cont += "                <textarea name=\"text\" id=\"vkPhotoUpdaterTextToReplace\" placeholder=\"Заменить на\" style=\"display: none;\"><\/textarea>";
                cont += "                <p>";
                cont += "                    <label><input type=\"checkbox\" name=\"replace\" id=\"vkPhotoUpdaterIsReplace\" value=\"1\">Поиск и замена<\/label>";
                cont += "                <\/p>";
                cont += "                <p>";
                cont += "                    <label><input type=\"checkbox\" name=\"add_to_end\" id=\"vkPhotoUpdaterAddToEnd\" value=\"1\">Добавить в конец<\/label>";
                cont += "                <\/p>";
                cont += "                <p>";
                cont += "                    <button class=\"flat_button\" id=\"vkPhotoUpdaterRun\">Запустить<\/button>";
                cont += "                <\/p>";
                cont += "            <\/div>";
                cont += "            <div id=\"vkPhotoUpdaterStat\" style=\"display:none;\">";
                cont += "                Обновлено фото <b id=\"vkPhotoUpdaterCount\">0<\/b>";
                cont += "            <\/div>";
                cont += "            <div id=\"vkPhotoUpdaterRestartSel\" style=\"display:none;\">";
                cont += "                <p><b>Операция успешно завершена.<\/b><\/p>";
                cont += "                <button class=\"flat_button\" id=\"vkPhotoUpdaterRestartBtn\">Назад<\/button>";
                cont += "            <\/div>";
                cont += "            <p>";
                cont += "                <a href=\"http:\/\/vk.com\/topic-58308068_30320099\" target=\"_blank\">Посмотреть смайлики<\/a>";
                cont += "            <\/p>";
                cont += "            <style>";
                cont += "                .wk_likes_likers_rows { padding: 5px; }";
                cont += "                #vkPhotoUpdaterText, #vkPhotoUpdaterTextToReplace { margin: 5px auto; display: block; height: 40px; width: 100%; box-sizing: border-box;}";
                cont += "            <\/style>";
                cont += "        <\/div>";
                cont += "    <\/div>";
                cont += "<\/div>";


                wrap = se(rs(boxC, {
                    title: 'Статистика:',
                    content: cont
                }));
                cont = geByClass1('fc_content', wrap, 'div');
                opts = {
                    movable: geByClass1('fc_tab_head', wrap),
                    hider: geByClass1('fc_tab_close_wrap', wrap, 'a'),
                    startHeight: 300,
                    startWidth: 300,
                    resizeableH: cont,
                    resize: true,
                    minH: 50
                };
                Mybox = new RBox(wrap, extend(opts, {}));
            }
        };

        /* Override function and add custom callback */
        if (typeof Photoview.saveInline == 'function') {
            Photoview.saveInline = VKPhotoDescriptionUpdater.saveInline;
        }

        if (typeof Photoview.editInline == 'function') {
            Photoview.editInline = VKPhotoDescriptionUpdater.editInline;
        }

        if (typeof showCaptchaBox == 'function') {
            var showCaptchaBoxOriginal = showCaptchaBox;
            showCaptchaBox = function() {
                VKPhotoDescriptionUpdater.showCaptchaBox();
                return showCaptchaBoxOriginal.apply(this, arguments);
            };
        }

        VKPhotoDescriptionUpdater.init();

    })();