From: Aleksander Ɓukasz Date: Mon, 4 Aug 2014 12:22:33 +0000 (+0200) Subject: editor: canvas - move arrow navigation handling to selection api X-Git-Url: https://git.mdrn.pl/fnpeditor.git/commitdiff_plain/059e387a80cf9c52b4a17d9f174ecdb7de492d25?ds=inline;hp=90a5dc9b9157cd3c02e9505661b7a22b953fae2e editor: canvas - move arrow navigation handling to selection api --- diff --git a/src/editor/modules/documentCanvas/canvas/keyboard.js b/src/editor/modules/documentCanvas/canvas/keyboard.js index 18b6cfd..aae19a0 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) { @@ -389,6 +289,108 @@ var handleKeyEvent = function(e, s) { }; // 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}); + } + } + } + }, + { + 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}); + } + } + } + }, + { + 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' &&