Release 2.16.0
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export function createSlideLayoutEditor(options) {
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var helpers = window.pulseRegionLayout;
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var stage = options.stage;
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var modal = document.getElementById('slide-layout-modal');
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var workspace = document.getElementById('slide-layout-workspace');
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var regionSelect = document.getElementById('slide-layout-region');
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var hidden = document.getElementById('slide-layouts-json');
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var openButton = document.getElementById('adjust-slide-layout');
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var animationButton = document.getElementById('adjust-slide-animations');
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var undoButton = document.getElementById('slide-layout-undo');
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var redoButton = document.getElementById('slide-layout-redo');
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var resetButton = document.getElementById('slide-layout-reset');
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var snapInput = document.getElementById('slide-layout-snap');
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var sharedButton = document.getElementById('save-layout-to-template');
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var saveStatus = document.getElementById('slide-layout-save-status');
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var sharedSaving = false;
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var sharedBaseline = null;
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var properties = document.getElementById('slide-layout-fields');
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var layer = document.createElement('div');
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layer.className = 'slide-layout-layer';
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layer.hidden = true;
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stage.appendChild(layer);
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var fields = {};
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['x', 'y', 'width', 'height', 'z_index', 'lock_ratio'].forEach(function (field) {
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fields[field] = properties.querySelector('[name="region_' + (field === 'z_index' ? 'z' : field) + '[]"]');
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fields[field].id = 'slide-layout-' + field;
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});
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var layouts = Object.create(null);
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var selectedKey = '';
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var history = [];
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var historyIndex = 0;
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var baseline = '';
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var home = stage.parentNode;
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var nextSibling = stage.nextSibling;
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var active = false;
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var applied = false;
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var drag = null;
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var guides = [];
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async function readResponse(response) {
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var data;
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try { data = await response.json(); } catch (_error) { throw new Error('Unable to save the shared layout. Check your connection and sign-in status.'); }
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if (!response.ok) throw new Error(data.error || 'Unable to save the shared layout.');
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return data;
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}
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if (sharedButton) sharedButton.addEventListener('click', async function () {
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if (sharedSaving) return;
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if (Object.keys(fields).some(function (field) { return !fields[field].reportValidity(); })) return;
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sharedSaving = true;
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modal.setAttribute('aria-busy', 'true');
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var controls = Array.from(modal.querySelectorAll('button, input, select')).map(function (input) {
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var state = { input: input, disabled: input.disabled };
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input.disabled = true;
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return state;
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});
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saveStatus.classList.remove('text-danger');
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saveStatus.textContent = 'Checking shared template...';
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try {
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var url = '/templates/' + encodeURIComponent(template().id) + '/layout';
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var current = await readResponse(await fetch(url, { headers: { Accept: 'application/json' } }));
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if (JSON.stringify(helpers.getTemplateLayoutSnapshot(current.template)) !== JSON.stringify(sharedBaseline)) {
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throw new Error('The shared template layout has changed. Reload the slide before saving to the template.');
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}
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var count = Number(current.slideCount) || 0;
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if (!window.confirm('Save this layout to "' + current.template.name + '"? It is used by ' + count + ' slide' + (count === 1 ? '' : 's') + '. Other slides keep their explicit overrides. Unsaved slide content is not saved.')) {
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saveStatus.textContent = '';
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return;
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}
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saveStatus.textContent = 'Saving shared layout...';
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var result = await readResponse(await fetch(url, {
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method: 'POST', headers: { 'Content-Type': 'application/json', Accept: 'application/json' },
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body: JSON.stringify({ slideId: options.slideId || null, baseline: sharedBaseline, regions: helpers.getTemplateLayoutSnapshot(Object.assign({}, template(), { regions: regions().map(effective) })).regions })
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}));
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options.updateTemplate(result.template);
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var inheritedLayouts = Object.create(null);
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Object.keys(layouts).forEach(function (key) {
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var animation = helpers.retainLayoutAnimation(layouts[key]);
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if (animation) inheritedLayouts[key] = animation;
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});
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layouts = inheritedLayouts;
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baseline = snapshot();
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sharedBaseline = helpers.getTemplateLayoutSnapshot(template());
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history = [baseline];
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historyIndex = 0;
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applied = true;
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options.markEdited();
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hidden.value = baseline;
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sharedSaving = false;
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saveStatus.textContent = '';
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options.requestPreviewRender();
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window.pulseModal.hide(modal);
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if (typeof window.showToast === 'function') window.showToast('Shared template layout saved.', 'success');
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} catch (error) {
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saveStatus.textContent = error.message;
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saveStatus.classList.add('text-danger');
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} finally {
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sharedSaving = false;
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modal.removeAttribute('aria-busy');
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controls.forEach(function (state) { state.input.disabled = state.disabled; });
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render();
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}
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});
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modal.addEventListener('hide.bs.modal', function (event) {
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if (sharedSaving) event.preventDefault();
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});
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function template() { return options.getTemplate(); }
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function canvas() {
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var current = template();
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return { width: Number(current && current.canvas_size_width) || 1920, height: Number(current && current.canvas_size_height) || 1080 };
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}
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function regions() { return template() && template().regions || []; }
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function selected() {
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return regions().find(function (region) { return region.region_key === selectedKey; });
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}
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function effective(region) {
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return helpers.applyLayout(region, { layout: layouts[region.region_key] }, canvas());
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}
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function snapshot() { return JSON.stringify(layouts); }
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function commit() {
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var value = snapshot();
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if (history[historyIndex] === value) return;
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history = history.slice(0, historyIndex + 1);
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history.push(value);
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historyIndex = history.length - 1;
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}
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function update() {
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hidden.value = snapshot();
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render();
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options.requestPreviewRender();
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}
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function change(box) {
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if (!selected()) return;
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var geometry = { x: box.x, y: box.y, width: box.width, height: box.height };
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layouts[selectedKey] = helpers.normalizeLayout(Object.assign({}, layouts[selectedKey], geometry), canvas());
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update();
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}
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function changeSettings(patch) {
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if (!selected()) return;
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var box = effective(selected());
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var next = helpers.normalizeLayout(Object.assign({ x: box.x, y: box.y, width: box.width, height: box.height }, layouts[selectedKey], patch), canvas());
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if (!next) return false;
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layouts[selectedKey] = next;
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commit();
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update();
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return true;
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}
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function render() {
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openButton.disabled = active || !regions().length;
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animationButton.disabled = active || !regions().length;
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if (!active || sharedSaving) return;
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if (!selected()) selectedKey = regions().length ? regions()[0].region_key : '';
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var region = selected();
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var box = region && effective(region);
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Object.keys(fields).forEach(function (field) {
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fields[field].disabled = !box;
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fields[field].value = box && box[field] !== undefined && box[field] !== null ? box[field] : '';
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fields[field].setCustomValidity('');
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if (field === 'x' || field === 'width') fields[field].max = canvas().width;
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if (field === 'y' || field === 'height') fields[field].max = canvas().height;
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});
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regionSelect.value = selectedKey;
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undoButton.disabled = historyIndex === 0;
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redoButton.disabled = historyIndex >= history.length - 1;
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resetButton.disabled = !Object.hasOwn(layouts, selectedKey);
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document.getElementById('slide-layout-reset-all').disabled = !Object.keys(layouts).length;
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layer.replaceChildren();
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regions().map(effective).sort(function (first, second) {
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return Number(first.z_index || 1) - Number(second.z_index || 1);
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}).forEach(function (item) {
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var itemBox = effective(item);
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var hit = document.createElement('div');
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hit.className = 'designer-rect slide-layout-hit' + (item.region_key === selectedKey ? ' selected' : '');
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hit.dataset.regionKey = item.region_key;
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hit.setAttribute('role', 'button');
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hit.setAttribute('aria-label', item.label || item.region_key);
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hit.setAttribute('aria-pressed', String(item.region_key === selectedKey));
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hit.tabIndex = 0;
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hit.style.left = itemBox.x / canvas().width * 100 + '%';
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hit.style.top = itemBox.y / canvas().height * 100 + '%';
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hit.style.width = itemBox.width / canvas().width * 100 + '%';
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hit.style.height = itemBox.height / canvas().height * 100 + '%';
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var label = document.createElement('span');
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label.className = 'designer-rect-label';
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label.textContent = item.label || item.region_key;
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hit.appendChild(label);
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if (item.region_key === selectedKey) {
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['nw', 'ne', 'sw', 'se'].forEach(function (direction) {
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var handle = document.createElement('span');
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handle.className = 'resize-handle ' + direction;
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handle.dataset.direction = direction;
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hit.appendChild(handle);
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});
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}
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layer.appendChild(hit);
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});
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guides.forEach(function (guide) {
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var line = document.createElement('div');
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line.className = 'layout-alignment-guide layout-alignment-guide--' + guide.axis;
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line.style[guide.axis === 'x' ? 'left' : 'top'] = guide.position / canvas()[guide.axis === 'x' ? 'width' : 'height'] * 100 + '%';
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layer.appendChild(line);
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});
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}
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function open() {
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if (active || !regions().length || !window.pulseModal) return;
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baseline = snapshot();
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sharedBaseline = helpers.getTemplateLayoutSnapshot(template());
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saveStatus.textContent = '';
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saveStatus.classList.remove('text-danger');
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history = [baseline];
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historyIndex = 0;
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applied = false;
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active = true;
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home = stage.parentNode;
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nextSibling = stage.nextSibling;
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regionSelect.replaceChildren();
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regions().forEach(function (region) {
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var option = document.createElement('option');
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option.value = region.region_key;
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option.textContent = region.label || region.region_key;
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regionSelect.appendChild(option);
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});
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workspace.appendChild(stage);
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stage.classList.add('slide-layout-stage');
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stage.tabIndex = 0;
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layer.hidden = false;
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var main = document.querySelector('.app-main');
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var sidebarEdge = window.innerWidth >= 992 && main ? Math.max(0, main.getBoundingClientRect().left) : 0;
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modal.style.setProperty('--slide-layout-left', sidebarEdge + 'px');
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render();
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window.pulseModal.show(modal);
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}
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modal.addEventListener('shown.bs.modal', function () {
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options.requestPreviewRender();
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stage.focus();
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});
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modal.addEventListener('hidden.bs.modal', function () {
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if (!applied) layouts = JSON.parse(baseline);
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active = false;
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drag = null;
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guides = [];
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layer.hidden = true;
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stage.classList.remove('slide-layout-stage');
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stage.removeAttribute('tabindex');
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home.insertBefore(stage, nextSibling);
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update();
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openButton.focus();
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});
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openButton.addEventListener('click', open);
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modal.querySelectorAll('[data-bs-dismiss="modal"]').forEach(function (button) {
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button.removeAttribute('data-bs-dismiss');
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button.addEventListener('click', function () { window.pulseModal.hide(modal); });
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});
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document.getElementById('slide-layout-apply').addEventListener('click', function () {
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applied = true;
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if (snapshot() !== baseline) options.markEdited();
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hidden.value = snapshot();
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window.pulseModal.hide(modal);
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});
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regionSelect.addEventListener('change', function () {
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selectedKey = regionSelect.value;
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guides = [];
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render();
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});
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function restoreHistory(offset) {
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var index = historyIndex + offset;
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if (index < 0 || index >= history.length) return;
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historyIndex = index;
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layouts = JSON.parse(history[index]);
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guides = [];
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update();
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}
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undoButton.addEventListener('click', function () { restoreHistory(-1); });
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redoButton.addEventListener('click', function () { restoreHistory(1); });
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resetButton.addEventListener('click', function () {
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delete layouts[selectedKey];
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commit();
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update();
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});
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document.getElementById('slide-layout-reset-all').addEventListener('click', function () {
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layouts = Object.create(null);
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commit();
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update();
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});
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Object.keys(fields).forEach(function (field) {
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fields[field].addEventListener('keydown', function (event) {
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if (event.key === 'Enter') { event.preventDefault(); fields[field].blur(); }
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});
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fields[field].addEventListener('change', function () {
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if (field === 'lock_ratio') {
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var ratioValue = fields[field].value.trim().replace(/\s+/g, '');
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var parts = ratioValue.split(':').map(Number);
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var patch = { lock_ratio: ratioValue };
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if (/^\d+:\d+$/.test(ratioValue) && parts[0] > 0 && parts[1] > 0) {
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var current = effective(selected());
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var fitted = helpers.fitLayout({ x: current.x, y: current.y, width: current.width, height: current.width * parts[1] / parts[0] }, canvas(), parts[0] / parts[1], 'se');
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Object.assign(patch, fitted);
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}
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if (!changeSettings(patch)) {
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fields[field].setCustomValidity('Enter a positive ratio such as 16:9, or leave blank.');
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fields[field].reportValidity();
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}
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return;
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}
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if (!selected() || fields[field].value === '' || !Number.isFinite(fields[field].valueAsNumber)) {
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render();
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return;
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}
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var box = effective(selected());
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box[field] = fields[field].valueAsNumber;
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if (field === 'z_index') { changeSettings({ z_index: box.z_index }); return; }
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var ratio = String(box.lock_ratio || '').split(':').map(Number);
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if (ratio[0] > 0 && ratio[1] > 0) {
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if (field === 'width') box.height = Math.round(box.width * ratio[1] / ratio[0]);
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if (field === 'height') box.width = Math.round(box.height * ratio[0] / ratio[1]);
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}
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change(helpers.fitLayout(box, canvas(), ratio[0] / ratio[1], 'se'));
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commit();
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render();
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});
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});
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stage.addEventListener('pointerdown', function (event) {
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if (!active || sharedSaving || event.button !== 0) return;
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var hit = event.target.closest('.slide-layout-hit');
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if (!hit) return;
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event.preventDefault();
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selectedKey = hit.dataset.regionKey;
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drag = {
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pointerId: event.pointerId,
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startX: event.clientX, startY: event.clientY,
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box: effective(selected()),
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direction: event.target.dataset.direction || '',
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snapshot: snapshot()
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};
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stage.setPointerCapture(event.pointerId);
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stage.focus({ preventScroll: true });
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render();
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});
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stage.addEventListener('pointermove', function (event) {
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if (sharedSaving || !drag || event.pointerId !== drag.pointerId) return;
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var bounds = stage.getBoundingClientRect();
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var dx = (event.clientX - drag.startX) * canvas().width / bounds.width;
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var dy = (event.clientY - drag.startY) * canvas().height / bounds.height;
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if (Math.abs(event.clientX - drag.startX) + Math.abs(event.clientY - drag.startY) < 2) return;
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var box = Object.assign({}, drag.box);
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var direction = drag.direction;
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var aspect = 0;
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if (direction) {
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if (direction.includes('w')) { box.x += dx; box.width -= dx; }
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if (direction.includes('e')) box.width += dx;
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if (direction.includes('n')) { box.y += dy; box.height -= dy; }
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if (direction.includes('s')) box.height += dy;
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var ratio = String(effective(selected()).lock_ratio || '').split(':').map(Number);
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if (ratio[0] > 0 && ratio[1] > 0) {
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aspect = ratio[0] / ratio[1];
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if (Math.abs(dy * aspect) > Math.abs(dx)) box.width = Math.max(1, box.height * aspect);
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box.height = Math.max(1, box.width / aspect);
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if (direction.includes('w')) box.x = drag.box.x + drag.box.width - box.width;
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if (direction.includes('n')) box.y = drag.box.y + drag.box.height - box.height;
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}
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box = helpers.fitLayout(box, canvas(), aspect, direction);
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} else {
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box.x = Math.max(0, Math.min(canvas().width - box.width, box.x + dx));
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box.y = Math.max(0, Math.min(canvas().height - box.height, box.y + dy));
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}
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var peers = regions().filter(function (region) { return region.region_key !== selectedKey; }).map(effective);
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var snapped = helpers.snapBox(box, peers, canvas(), snapInput.checked && !event.altKey ? 6 * canvas().width / bounds.width : -1, direction, aspect);
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guides = snapped.guides;
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change(snapped.box);
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});
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function endDrag(event) {
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if (!drag || event.pointerId !== drag.pointerId) return;
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if (event.type === 'pointercancel') layouts = JSON.parse(drag.snapshot);
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if (stage.hasPointerCapture(event.pointerId)) stage.releasePointerCapture(event.pointerId);
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drag = null;
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guides = [];
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commit();
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update();
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}
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stage.addEventListener('pointerup', endDrag);
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stage.addEventListener('pointercancel', endDrag);
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stage.addEventListener('keydown', function (event) {
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if (!active || sharedSaving) return;
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if ((event.ctrlKey || event.metaKey) && event.key.toLowerCase() === 'z') {
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event.preventDefault();
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restoreHistory(event.shiftKey ? 1 : -1);
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return;
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}
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var hit = event.target.closest('.slide-layout-hit');
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if (hit) selectedKey = hit.dataset.regionKey;
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if (!selected()) return;
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if (event.key === 'Enter' || event.key === ' ') {
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event.preventDefault();
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stage.focus();
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render();
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return;
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}
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var movements = { ArrowLeft: [-1, 0], ArrowRight: [1, 0], ArrowUp: [0, -1], ArrowDown: [0, 1] };
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var movement = movements[event.key];
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if (!movement) return;
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event.preventDefault();
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var box = effective(selected());
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var step = event.shiftKey ? 10 : 1;
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box.x = Math.max(0, Math.min(canvas().width - box.width, box.x + movement[0] * step));
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||||
box.y = Math.max(0, Math.min(canvas().height - box.height, box.y + movement[1] * step));
|
||||
change(box);
|
||||
commit();
|
||||
render();
|
||||
stage.focus();
|
||||
});
|
||||
return {
|
||||
apply: effective,
|
||||
refresh: render,
|
||||
getAnimationOverrides: function () {
|
||||
var overrides = Object.create(null);
|
||||
Object.keys(layouts).forEach(function (key) {
|
||||
if (layouts[key] && layouts[key].animation_json !== undefined) overrides[key] = layouts[key].animation_json;
|
||||
});
|
||||
return overrides;
|
||||
},
|
||||
getAnimation: function (regionKey) {
|
||||
var region = regions().find(function (item) { return item.region_key === regionKey; });
|
||||
var override = layouts[regionKey] && layouts[regionKey].animation_json;
|
||||
return override !== undefined ? override : String(region && region.animation_json || '{}');
|
||||
},
|
||||
setAnimationOverrides: function (overrides) {
|
||||
regions().forEach(function (region) {
|
||||
var key = region.region_key;
|
||||
var current = layouts[key] ? Object.assign({}, layouts[key]) : {};
|
||||
delete current.animation_json;
|
||||
if (Object.prototype.hasOwnProperty.call(overrides, key)) current.animation_json = overrides[key];
|
||||
if (Object.keys(current).length) layouts[key] = helpers.normalizeLayout(current, canvas());
|
||||
else delete layouts[key];
|
||||
});
|
||||
commit();
|
||||
update();
|
||||
},
|
||||
reset: function (content) {
|
||||
layouts = Object.create(null);
|
||||
regions().forEach(function (region) {
|
||||
var layout = helpers.normalizeLayout(content && content[region.region_key] && content[region.region_key].layout, canvas());
|
||||
if (layout) layouts[region.region_key] = layout;
|
||||
});
|
||||
hidden.value = snapshot();
|
||||
render();
|
||||
}
|
||||
};
|
||||
}
|
||||
Reference in new issue
Block a user