X-Git-Url: https://git.mdrn.pl/fnpeditor.git/blobdiff_plain/2d4b18135a37d60f45c008271dbbd5c038bd76d1..457a2c13a27a5fd49bdd5b0162111e3a9220a6ca:/src/editor/modules/documentCanvas/canvas/keyboard.js diff --git a/src/editor/modules/documentCanvas/canvas/keyboard.js b/src/editor/modules/documentCanvas/canvas/keyboard.js index eafd091..e2479a5 100644 --- a/src/editor/modules/documentCanvas/canvas/keyboard.js +++ b/src/editor/modules/documentCanvas/canvas/keyboard.js @@ -171,106 +171,6 @@ handlers.push({key: KEYS.ENTER, } }); -handlers.push({keys: [KEYS.ARROW_UP], - keydown: function(event, canvas) { - /* globals window */ - var element = canvas.getCursor().getPosition().element, - caretRect = window.getSelection().getRangeAt(0).getClientRects()[0], - frameRects = element.dom[0].getClientRects(), - caretTop = caretRect.bottom - caretRect.height, - position, target,rect, scrolled; - - - if((frameRects[0].bottom === caretRect.bottom) || (caretRect.left < frameRects[0].left)) { - event.preventDefault(); - canvas.rootWrapper.find('[document-text-element]').each(function() { - var test = getLastRectAbove(this, caretTop); - if(test) { - target = this; - rect = test; - } else { - return false; - } - }); - if(target) { - scrolled = scroll('top', target); - position = utils.caretPositionFromPoint(caretRect.left, rect.bottom - 1 - scrolled); - canvas.setCurrentElement(canvas.getDocumentElement(position.textNode), {caretTo: position.offset}); - } - } - } -}); - -handlers.push({keys: [KEYS.ARROW_DOWN], - keydown: function(event, canvas) { - /* globals window */ - var element = canvas.getCursor().getPosition().element, - caretRect = window.getSelection().getRangeAt(0).getClientRects()[0], - frameRects = element.dom[0].getClientRects(), - lastRect = frameRects[frameRects.length-1], - position, target,rect, scrolled; - - if(lastRect.bottom === caretRect.bottom || (caretRect.left > lastRect.left + lastRect.width)) { - event.preventDefault(); - canvas.rootWrapper.find('[document-text-element]').each(function() { - var test = getFirstRectBelow(this, caretRect.bottom); - if(test) { - target = this; - rect = test; - return false; - } - }); - if(target) { - scrolled = scroll('bottom', target); - position = utils.caretPositionFromPoint(caretRect.left, rect.top +1 - scrolled); - canvas.setCurrentElement(canvas.getDocumentElement(position.textNode), {caretTo: position.offset}); - } - } - } -}); - -handlers.push({keys: [KEYS.ARROW_LEFT], - keydown: function(event, canvas) { - /* globals window */ - var position = canvas.getCursor().getPosition(), - element = position.element, - prev; - - if(position.offset === 0) { - event.preventDefault(); - prev = canvas.getPreviousTextElement(element); - if(prev) { - scroll('top', prev.dom[0]); - canvas.setCurrentElement(canvas.getDocumentElement(prev.dom.contents()[0]), {caretTo: 'end'}); - } - } - } -}); - -handlers.push({keys: [KEYS.ARROW_RIGHT], - keydown: function(event, canvas) { - /* globals window */ - var position = canvas.getCursor().getPosition(), - element = position.element, - next; - if(position.offsetAtEnd) { - event.preventDefault(); - next = canvas.getNextTextElement(element); - if(next) { - scroll('bottom', next.dom[0]); - canvas.setCurrentElement(canvas.getDocumentElement(next.dom.contents()[0]), {caretTo: 0}); - } - } else { - var secondToLast = (position.offset === element.wlxmlNode.getText().length -1); - if(secondToLast) { - // Only Flying Spaghetti Monster knows why this is need for FF (for versions at least 26 to 31) - event.preventDefault(); - canvas.setCurrentElement(element, {caretTo: 'end'}); - } - } - - } -}); var selectsWholeTextElement = function(cursor) { if(cursor.isSelecting() && cursor.getSelectionStart().offsetAtBeginning && cursor.getSelectionEnd().offsetAtEnd) { @@ -306,7 +206,7 @@ handlers.push({keys: [KEYS.BACKSPACE, KEYS.DELETE], caretTo = 'start'; } - if(cursor.isSelecting() && !cursor.isSelectingWithinElement()) { + if(cursor.isSelecting()) { event.preventDefault(); var start = cursor.getSelectionStart(), end = cursor.getSelectionEnd(); @@ -359,32 +259,12 @@ handlers.push({keys: [KEYS.BACKSPACE, KEYS.DELETE], event.preventDefault(); node.setText(''); } - else if(element.isEmpty()) { - event.preventDefault(); - var parent = element.parent(), - grandParent = parent ? parent.parent() : null; - if(!grandParent && parent.children().length === 1) { - return; - } - if(parent.children().length === 1 && parent.children()[0].sameNode(element)) { - if(grandParent && grandParent.children().length === 1) { - goto = grandParent.wlxmlNode.append({text: ''}); - } else { - goto = canvas.getNearestTextElement(direction, element); - } - parent.wlxmlNode.detach(); - } else { - goto = canvas.getNearestTextElement(direction, element); - element.wlxmlNode.detach(); - } - canvas.setCurrentElement(goto, {caretTo: caretTo}); - } else if(cursorAtOperationEdge) { if(direction === 'below') { element = canvas.getNearestTextElement(direction, element); } - if(element) { - goto = element.wlxmlNode.mergeContentUp(); + if(element && element.wlxmlNode.getIndex() === 0) { + goto = element.wlxmlNode.parent().moveUp(); if(goto) { canvas.setCurrentElement(goto.node, {caretTo: goto.offset}); } @@ -399,8 +279,310 @@ handlers.push({keys: [KEYS.BACKSPACE, KEYS.DELETE], } }); +var handleKeyEvent = function(e, s) { + keyEventHandlers.some(function(handler) { + if(handler.applies(e, s)) { + handler.run(e, s); + return true; + } + }); +}; +// todo: whileRemoveWholetext +var keyEventHandlers = [ + { + applies: function(e, s) { + return e.key === KEYS.ARROW_UP && s.type === 'caret'; + }, + run: function(e, s) { + /* globals window */ + var caretRect = window.getSelection().getRangeAt(0).getClientRects()[0], + frameRects = s.element.dom[0].getClientRects(), + caretTop = caretRect.bottom - caretRect.height, + position, target,rect, scrolled; + + + if((frameRects[0].bottom === caretRect.bottom) || (caretRect.left < frameRects[0].left)) { + e.preventDefault(); + s.canvas.rootWrapper.find('[document-text-element]').each(function() { + var test = getLastRectAbove(this, caretTop); + if(test) { + target = this; + rect = test; + } else { + return false; + } + }); + if(target) { + scrolled = scroll('top', target); + position = utils.caretPositionFromPoint(caretRect.left, rect.bottom - 1 - scrolled); + s.canvas.setCurrentElement(s.canvas.getDocumentElement(position.textNode), {caretTo: position.offset}); + } + } + if(target) { + scrolled = scroll('top', target); + var left = caretRect.left; + if(left > rect.left + rect.width) { + left = rect.left + rect.width; + } else if(left < rect.left ) { + left = rect.left; + } + position = utils.caretPositionFromPoint(left, rect.bottom - 1 - scrolled); + s.canvas.setCurrentElement(s.canvas.getDocumentElement(position.textNode), {caretTo: position.offset}); + } + } + }, + { + applies: function(e, s) { + return e.key === KEYS.ARROW_DOWN && s.type === 'caret'; + }, + run: function(e, s) { + /* globals window */ + var caretRect = window.getSelection().getRangeAt(0).getClientRects()[0], + frameRects = s.element.dom[0].getClientRects(), + lastRect = frameRects[frameRects.length-1], + position, target,rect, scrolled; + + if(lastRect.bottom === caretRect.bottom || (caretRect.left > lastRect.left + lastRect.width)) { + e.preventDefault(); + s.canvas.rootWrapper.find('[document-text-element]').each(function() { + var test = getFirstRectBelow(this, caretRect.bottom); + if(test) { + target = this; + rect = test; + return false; + } + }); + if(target) { + scrolled = scroll('bottom', target); + position = utils.caretPositionFromPoint(caretRect.left, rect.top +1 - scrolled); + s.canvas.setCurrentElement(s.canvas.getDocumentElement(position.textNode), {caretTo: position.offset}); + } + } + if(target) { + scrolled = scroll('bottom', target); + var left = caretRect.left; + if(left > rect.left + rect.width) { + left = rect.left + rect.width; + } else if(left < rect.left ) { + left = rect.left; + } + position = utils.caretPositionFromPoint(left, rect.top +1 - scrolled); + s.canvas.setCurrentElement(s.canvas.getDocumentElement(position.textNode), {caretTo: position.offset}); + } + } + }, + { + applies: function(e, s) { + return e.key === KEYS.ARROW_LEFT && s.type === 'caret'; + }, + run: function(e, s) { + /* globals window */ + var prev; + + if(s.offset === 0) { + e.preventDefault(); + prev = s.canvas.getPreviousTextElement(s.element); + if(prev) { + scroll('top', prev.dom[0]); + s.canvas.setCurrentElement(s.canvas.getDocumentElement(prev.dom.contents()[0]), {caretTo: 'end'}); + } + } + } + }, + { + applies: function(e, s) { + return e.key === KEYS.ARROW_RIGHT && s.type === 'caret'; + }, + run: function(e, s) { + /* globals window */ + var next; + if(s.isAtEnd()) { + e.preventDefault(); + next = s.canvas.getNextTextElement(s.element); + if(next) { + scroll('bottom', next.dom[0]); + s.canvas.setCurrentElement(s.canvas.getDocumentElement(next.dom.contents()[0]), {caretTo: 0}); + } + } else { + var secondToLast = (s.offset === s.element.wlxmlNode.getText().length -1); + if(secondToLast) { + // Only Flying Spaghetti Monster knows why this is need for FF (for versions at least 26 to 31) + e.preventDefault(); + s.canvas.setCurrentElement(s.element, {caretTo: 'end'}); + } + } + } + }, + { + applies: function(e, s) { + return s.type === 'caret' && + s.element.wlxmlNode.parent().is({tagName: 'span'}) && + s.element.wlxmlNode.getText().length === 1 && + s.offset === 1 && + (e.key === KEYS.BACKSPACE); + }, + run: function(e, s) { + var params = {}, + prevTextNode = s.element.canvas.getPreviousTextElement(s.element).wlxmlNode; + e.preventDefault(); + s.element.wlxmlNode.parent().detach(params); + s.canvas.setCurrentElement( + (params.ret && params.ret.mergedTo) || prevTextNode, + {caretTo: params.ret ? params.ret.previousLen : (prevTextNode ? prevTextNode.getText().length : 0)}); + } + }, + { + applies: function(e, s) { + return s.type === 'caret' && ( + (s.isAtBeginning() && e.key === KEYS.BACKSPACE) || + (s.isAtEnd() && e.key === KEYS.DELETE) + ); + }, + run: function(e,s) { + var direction, caretTo, cursorAtOperationEdge, goto, element; + + if(e.key === KEYS.BACKSPACE) { + direction = 'above'; + caretTo = 'end'; + cursorAtOperationEdge = s.isAtBeginning(); + element = s.element; + } + else { + direction = 'below'; + caretTo = 'start'; + cursorAtOperationEdge = s.isAtEnd(); + element = cursorAtOperationEdge && s.canvas.getNearestTextElement(direction, s.element); + } + + if(!cursorAtOperationEdge || !element) { + return; + } + + e.preventDefault(); + + s.canvas.wlxmlDocument.transaction(function() { + if(element.wlxmlNode.getIndex() === 0) { + goto = element.wlxmlNode.parent().moveUp(); + } else { + goto = element.wlxmlNode.moveUp(); + } + if(goto) { + s.canvas.setCurrentElement(goto.node, {caretTo: goto.offset}); + } + }, { + metadata: { + description: gettext('Remove text') + } + }); + } + }, + + { + applies: function(e,s) { + return s.type === 'caret' && s.element.getText().length === 1 && (e.key === KEYS.BACKSPACE || e.key === KEYS.DELETE); + }, + run: function(e,s) { + e.preventDefault(); + e.element.wlxmlNode.setText(''); + s.canvas.setCurrentElement(s.element, {caretTo: 0}); + } + }, + + { + applies: function(e, s) { + return s.type === 'textSelection' && (e.key === KEYS.BACKSPACE || e.key === KEYS.DELETE); + }, + run: function(e, s) { + var direction = 'above', + caretTo = 'end', + goto; + + if(e.key === KEYS.DELETE) { + direction = 'below'; + caretTo = 'start'; + } + + e.preventDefault(); + + if(s.startsAtBeginning && s.endsAtEnd && s.startElement.sameNode(s.endElement)) { + goto = s.startElement; + caretTo = s.startOffset; + } else if(direction === 'above') { + if(s.startsAtBeginning()) { + goto = s.canvas.getNearestTextElement('above', s.startElement); + caretTo = 'end'; + } else { + goto = s.startElement; + caretTo = s.startOffset; + } + } else { + if(s.endsAtEnd()) { + goto = s.canvas.getNearestTextElement('below', s.startElement); + caretTo = 'start'; + } else { + goto = s.endElement; + caretTo = 0; + } + } + + var doc = s.canvas.wlxmlDocument; + doc.transaction(function() { + + doc.deleteText({ + from: { + node: s.startElement.wlxmlNode, + offset: s.startOffset + }, + to: { + node: s.endElement.wlxmlNode, + offset: s.endOffset + } + }); + + }, { + success: function() { + if(goto) { + s.canvas.setCurrentElement(goto, {caretTo: caretTo}); + } + } + }); + + } + }, + { + applies: function(e, s) { + return s.type === 'caret' && e.key === KEYS.ENTER && !s.element.parent().isRootElement(); + }, + run: function(e, s) { + var result, goto, gotoOptions; + void(e); + e.preventDefault(); + s.canvas.wlxmlDocument.transaction(function() { + result = s.element.wlxmlNode.breakContent({offset: s.offset}); + }, { + metadata: { + description: gettext('Splitting text'), + fragment: s.toDocumentFragment() + } + }); + + if(result.emptyText) { + goto = result.emptyText; + gotoOptions = {}; + } else { + goto = result.second; + gotoOptions = {caretTo: 'start'}; + } + + s.canvas.setCurrentElement(utils.getElementForNode(goto), gotoOptions); + } + } +]; + return { - handleKey: handleKey + handleKey: handleKey, + handleKeyEvent: handleKeyEvent, + KEYS: KEYS }; }); \ No newline at end of file