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/** |
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* Blockenberg Editor Scripts |
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* Common functionality for all blocks |
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*/ |
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wp.domReady(function() { |
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|
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// Track global drag state for showing drop zones |
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var isDragging = false; |
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var currentDropTarget = null; |
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|
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function addDraggingClass() { |
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if (!isDragging) { |
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isDragging = true; |
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document.body.classList.add('bkbg-is-dragging'); |
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|
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// Also add to iframe if exists |
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var editorCanvas = document.querySelector('iframe[name="editor-canvas"]'); |
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if (editorCanvas && editorCanvas.contentDocument) { |
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editorCanvas.contentDocument.body.classList.add('bkbg-is-dragging'); |
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} |
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} |
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} |
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|
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function removeDraggingClass() { |
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isDragging = false; |
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document.body.classList.remove('bkbg-is-dragging'); |
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|
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// Also remove from iframe if exists |
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var editorCanvas = document.querySelector('iframe[name="editor-canvas"]'); |
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if (editorCanvas && editorCanvas.contentDocument) { |
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editorCanvas.contentDocument.body.classList.remove('bkbg-is-dragging'); |
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} |
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|
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// Clear any drop target highlights |
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clearDropTargetHighlight(); |
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} |
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|
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function clearDropTargetHighlight() { |
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if (currentDropTarget) { |
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currentDropTarget.classList.remove('bkbg-drop-target'); |
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currentDropTarget = null; |
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} |
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// Also clear all just in case |
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document.querySelectorAll('.bkbg-drop-target').forEach(function(el) { |
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el.classList.remove('bkbg-drop-target'); |
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}); |
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var editorCanvas = document.querySelector('iframe[name="editor-canvas"]'); |
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if (editorCanvas && editorCanvas.contentDocument) { |
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editorCanvas.contentDocument.querySelectorAll('.bkbg-drop-target').forEach(function(el) { |
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el.classList.remove('bkbg-drop-target'); |
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}); |
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} |
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} |
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|
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function handleDragOver(e) { |
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if (!isDragging) return; |
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|
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// Find the closest drop zone (appender button, block-list-appender, or layout container) |
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var target = e.target; |
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var dropZone = target.closest('.block-editor-button-block-appender, .block-list-appender, .bkbg-column, .bkbg-row, .bkbg-section'); |
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|
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if (dropZone && dropZone !== currentDropTarget) { |
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clearDropTargetHighlight(); |
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currentDropTarget = dropZone; |
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dropZone.classList.add('bkbg-drop-target'); |
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} |
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} |
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|
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function handleDragLeave(e) { |
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var target = e.target; |
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var dropZone = target.closest('.block-editor-button-block-appender, .block-list-appender, .bkbg-column, .bkbg-row, .bkbg-section'); |
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|
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if (dropZone && dropZone.classList.contains('bkbg-drop-target')) { |
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// Check if we're leaving to a child element |
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var relatedTarget = e.relatedTarget; |
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if (relatedTarget && dropZone.contains(relatedTarget)) { |
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return; // Still inside the drop zone |
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} |
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dropZone.classList.remove('bkbg-drop-target'); |
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if (currentDropTarget === dropZone) { |
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currentDropTarget = null; |
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} |
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} |
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} |
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|
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// Listen for drag events on the document |
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document.addEventListener('dragstart', addDraggingClass, true); |
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document.addEventListener('dragend', removeDraggingClass, true); |
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document.addEventListener('dragover', handleDragOver, true); |
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document.addEventListener('dragleave', handleDragLeave, true); |
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document.addEventListener('drop', function() { |
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// Small delay to ensure drag operations complete |
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setTimeout(removeDraggingClass, 100); |
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}, true); |
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|
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// Also listen inside the editor iframe when it loads |
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function setupIframeDragListeners() { |
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var editorCanvas = document.querySelector('iframe[name="editor-canvas"]'); |
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if (editorCanvas && editorCanvas.contentDocument) { |
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var doc = editorCanvas.contentDocument; |
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doc.addEventListener('dragstart', addDraggingClass, true); |
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doc.addEventListener('dragend', removeDraggingClass, true); |
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doc.addEventListener('dragover', handleDragOver, true); |
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doc.addEventListener('dragleave', handleDragLeave, true); |
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doc.addEventListener('drop', function() { |
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setTimeout(removeDraggingClass, 100); |
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}, true); |
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} |
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} |
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|
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// Try to setup iframe listeners after a delay (iframe may not be ready immediately) |
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setTimeout(setupIframeDragListeners, 1000); |
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setTimeout(setupIframeDragListeners, 3000); |
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|
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// Also use MutationObserver to detect when iframe is added |
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var observer = new MutationObserver(function(mutations) { |
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mutations.forEach(function(mutation) { |
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if (mutation.addedNodes.length) { |
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var editorCanvas = document.querySelector('iframe[name="editor-canvas"]'); |
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if (editorCanvas) { |
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editorCanvas.addEventListener('load', setupIframeDragListeners); |
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} |
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} |
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}); |
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}); |
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|
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observer.observe(document.body, { childList: true, subtree: true }); |
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}); |
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