X-Git-Url: https://git.mdrn.pl/fnpeditor.git/blobdiff_plain/059e387a80cf9c52b4a17d9f174ecdb7de492d25..27d9dcb:/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 aae19a0..0ad2ff3 100644 --- a/src/editor/modules/documentCanvas/canvas/keyboard.js +++ b/src/editor/modules/documentCanvas/canvas/keyboard.js @@ -1,8 +1,7 @@ define([ 'libs/jquery', -'modules/documentCanvas/canvas/documentElement', 'modules/documentCanvas/canvas/utils' -], function($, documentElement, utils) { +], function($, utils) { 'use strict'; /* globals gettext */ @@ -18,26 +17,6 @@ var KEYS = { X: 88 }; -var handleKey = function(event, canvas) { - handlers.some(function(handler) { - if(handles(handler, event) && handler[event.type]) { - handler[event.type](event, canvas); - return true; - } - }); -}; - -var handles = function(handler, event) { - if(handler.key === event.which) { - return true; - } - if(handler.keys && handler.keys.indexOf(event.which) !== -1) { - return true; - } - return false; -}; - - var scroll = function(place, textElement) { var rect = textElement.getBoundingClientRect(), scroll = $('#rng-module-documentCanvas-contentWrapper'), @@ -86,199 +65,6 @@ var getFirstRectBelow = function(node, y) { return toret; }; -var handlers = []; - - -handlers.push({key: KEYS.ENTER, - keydown: function(event, canvas) { - event.preventDefault(); - var cursor = canvas.getCursor(), - position = cursor.getPosition(), - element = position.element; - - if(Object.keys(cursor.getPosition()).length === 0) { - var currentElement = canvas.getCurrentNodeElement(); - if(currentElement && !currentElement.wlxmlNode.isRoot()) { - canvas.wlxmlDocument.transaction(function() { - var added = currentElement.wlxmlNode.after({ - tagName: currentElement.wlxmlNode.getTagName() || 'div', - attrs: {'class': currentElement.wlxmlNode.getClass() || 'p'} - }); - added.append({text:''}); - return added; - }, { - metadata: { - description: gettext('Splitting text') - }, - success: function(ret) { - canvas.setCurrentElement(utils.getElementForNode(ret), {caretTo: 'start'}); - } - }); - - } - return; - } - - if(!cursor.isSelecting()) { - if(event.ctrlKey) { - if(element instanceof documentElement.DocumentTextElement) { - element = element.parent(); - } - - canvas.wlxmlDocument.transaction(function() { - var added = element.wlxmlNode.after( - {tagName: element.wlxmlNode.getTagName() || 'div', attrs: {'class': element.wlxmlNode.getClass() || 'p'}} - ); - added.append({text: ''}); - return added; - }, { - metadata: { - description: gettext('Splitting text') - }, - success: function(ret) { - canvas.setCurrentElement(utils.getElementForNode(ret), {caretTo: 'start'}); - } - }); - - } else { - - if(!(element.parent().parent())) { - return false; // top level element is unsplittable - } - - var node = position.element.wlxmlNode, - result, goto, gotoOptions; - - node.document.transaction(function() { - result = position.element.wlxmlNode.breakContent({offset: position.offset}); - }, { - metadata: { - description: gettext('Splitting text') - } - }); - - if(result.emptyText) { - goto = result.emptyText; - gotoOptions = {}; - } else { - goto = result.second; - gotoOptions = {caretTo: 'start'}; - } - - canvas.setCurrentElement(utils.getElementForNode(goto), gotoOptions); - } - } - } -}); - - -var selectsWholeTextElement = function(cursor) { - if(cursor.isSelecting() && cursor.getSelectionStart().offsetAtBeginning && cursor.getSelectionEnd().offsetAtEnd) { - return true; - } - return false; -}; - -handlers.push({key: KEYS.X, - keydown: function(event, canvas) { - if(event.ctrlKey && selectsWholeTextElement(canvas.getCursor())) { - event.preventDefault(); - } - } -}); - -handlers.push({keys: [KEYS.BACKSPACE, KEYS.DELETE], - keydown: function(event, canvas) { - var cursor = canvas.getCursor(), - position = canvas.getCursor().getPosition(), - element = position.element, - node = element ? element.wlxmlNode : null, - direction = 'above', - caretTo = 'end', - goto; - - if(!element || !node) { - return; - } - - if(event.which === KEYS.DELETE) { - direction = 'below'; - caretTo = 'start'; - } - - if(cursor.isSelecting()) { - event.preventDefault(); - var start = cursor.getSelectionStart(), - end = cursor.getSelectionEnd(); - - if(direction === 'above') { - if(start.offsetAtBeginning) { - goto = canvas.getNearestTextElement('above', start.element); - caretTo = 'end'; - } else { - goto = start.element; - caretTo = start.offset; - } - } else { - if(end.offsetAtEnd) { - goto = canvas.getNearestTextElement('below', start.element); - caretTo = 'start'; - } else { - goto = end.element; - caretTo = 0; - } - } - - canvas.wlxmlDocument.deleteText({ - from: { - node: start.element.wlxmlNode, - offset: start.offset - }, - to: { - node: end.element.wlxmlNode, - offset: end.offset - } - }); - if(goto) { - canvas.setCurrentElement(goto, {caretTo: caretTo}); - } - return; - } - - var cursorAtOperationEdge = position.offsetAtBeginning; - if(event.which === KEYS.DELETE) { - cursorAtOperationEdge = position.offsetAtEnd; - } - - var willDeleteWholeText = function() { - return element.getText().length === 1 || selectsWholeTextElement(cursor); - }; - - canvas.wlxmlDocument.transaction(function() { - if(willDeleteWholeText()) { - event.preventDefault(); - node.setText(''); - } - else if(cursorAtOperationEdge) { - if(direction === 'below') { - element = canvas.getNearestTextElement(direction, element); - } - if(element && element.wlxmlNode.getIndex() === 0) { - goto = element.wlxmlNode.parent().moveUp(); - if(goto) { - canvas.setCurrentElement(goto.node, {caretTo: goto.offset}); - } - } - event.preventDefault(); - } - }, { - metadata: { - description: gettext('Remove text') - } - }); - } -}); - var handleKeyEvent = function(e, s) { keyEventHandlers.some(function(handler) { if(handler.applies(e, s)) { @@ -289,6 +75,19 @@ var handleKeyEvent = function(e, s) { }; // todo: whileRemoveWholetext var keyEventHandlers = [ + { // ctrl+x - prevented (?) + applies: function(e, s) { + return e.ctrlKey && + e.key === KEYS.X && + s.type === 'textSelection' && + s.startsAtBeginning() && + s.endsAtEnd(); + }, + run: function(e,s) { + void(s); + e.preventDefault(); + } + }, { applies: function(e, s) { return e.key === KEYS.ARROW_UP && s.type === 'caret'; @@ -318,6 +117,17 @@ var keyEventHandlers = [ 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}); + } } }, { @@ -347,6 +157,17 @@ var keyEventHandlers = [ 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}); + } } }, { @@ -391,7 +212,7 @@ var keyEventHandlers = [ } } }, - { + { // backspace removing the last character in a span applies: function(e, s) { return s.type === 'caret' && s.element.wlxmlNode.parent().is({tagName: 'span'}) && @@ -409,7 +230,7 @@ var keyEventHandlers = [ {caretTo: params.ret ? params.ret.previousLen : (prevTextNode ? prevTextNode.getText().length : 0)}); } }, - { + { // backspace/delete through an edge (behaves weirdly at spans) applies: function(e, s) { return s.type === 'caret' && ( (s.isAtBeginning() && e.key === KEYS.BACKSPACE) || @@ -417,22 +238,24 @@ var keyEventHandlers = [ ); }, run: function(e,s) { - var direction, caretTo, cursorAtOperationEdge, goto, element; + var 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); + element = s.canvas.getNearestTextElement('below', s.element); + } + + if(!element) { + return; } - if(!cursorAtOperationEdge || !element) { + + var parent = element.wlxmlNode.parent(); + if(element.wlxmlNode.getIndex() === 0 && parent.isContextRoot() && (!parent.is('item') || parent.getIndex() === 0)) { + // Don't even try to do anything at the edge of a context root, except for non-first items + // - this is a temporary solution until key events handling get refactored into something more sane. return; } @@ -455,13 +278,13 @@ var keyEventHandlers = [ } }, - { + { // backspace/delete last character in a node - why is it needed? 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.element.wlxmlNode.setText(''); s.canvas.setCurrentElement(s.element, {caretTo: 0}); } }, @@ -527,14 +350,49 @@ var keyEventHandlers = [ } }, - { + { // enter on an empty list item - creates paragraph after list + applies: function(e, s) { + var parent = s.element && s.element.wlxmlNode.parent(), + parentIsItem = parent && parent.is('item'), + itemIsOnList = parent && parent.parent() && parent.parent().is('list'), + onlyChild = parent.contents().length === 1; + return s.type === 'caret' && e.key === KEYS.ENTER && s.element.isEmpty() && onlyChild && + parentIsItem && itemIsOnList; + }, + run: function(e, s) { + var item = s.element.wlxmlNode.parent(), + list = item.parent(); + e.preventDefault(); + s.canvas.wlxmlDocument.transaction(function() { + var p = list.after({tagName: 'div', attrs: {'class': 'p'}}); + p.append({text: ''}); + item.detach(); + if(list.contents().length === 0) { + list.detach(); + } + return p; + }, { + success: function(p) { + s.canvas.setCurrentElement(p); + } + }); + } + }, + { // enter - split node applies: function(e, s) { return s.type === 'caret' && e.key === KEYS.ENTER && !s.element.parent().isRootElement(); }, run: function(e, s) { - var result, goto, gotoOptions; + var parent = s.element.parent(), + children = parent.children(), + result, goto, gotoOptions; void(e); e.preventDefault(); + + if(children.length === 1 && s.element.isEmpty()) { + return; + } + s.canvas.wlxmlDocument.transaction(function() { result = s.element.wlxmlNode.breakContent({offset: s.offset}); }, { @@ -554,11 +412,32 @@ var keyEventHandlers = [ s.canvas.setCurrentElement(utils.getElementForNode(goto), gotoOptions); } + }, + { // enter - new paragraph after image/video + applies: function (e, s) { + return s.type === 'nodeSelection' && e.key === KEYS.ENTER && !s.element.isRootElement(); + }, + run: function (e, s) { + var parent = s.element.parent(), + children = parent.children(), + result, goto, gotoOptions; + e.preventDefault(); + + s.canvas.wlxmlDocument.transaction(function() { + result = s.element.wlxmlNode.insertNewNode(); + }, { + metadata: { + description: gettext('Inserting node'), + fragment: s.toDocumentFragment() + } + }); + + s.canvas.setCurrentElement(utils.getElementForNode(result), {caretTo: 'start'}); + } } ]; return { - handleKey: handleKey, handleKeyEvent: handleKeyEvent, KEYS: KEYS };