private void update() { float x = posHandle.getX().getBaseVal().getValue(); float y = posHandle.getY().getBaseVal().getValue(); float width = posHandle.getWidth().getBaseVal().getValue(); float height = posHandle.getHeight().getBaseVal().getValue(); float hs = Math.max(5, Math.min(width, height) * 0.2f); topLeftHandle.getX().getBaseVal().setValue(x); topLeftHandle.getY().getBaseVal().setValue(y); topLeftHandle.getWidth().getBaseVal().setValue(hs); topLeftHandle.getHeight().getBaseVal().setValue(hs); bottomRightHandle.getX().getBaseVal().setValue(x + width - hs); bottomRightHandle.getY().getBaseVal().setValue(y + height - hs); bottomRightHandle.getWidth().getBaseVal().setValue(hs); bottomRightHandle.getHeight().getBaseVal().setValue(hs); }
@Override public boolean processMouseDown(MouseDownEvent event) { JavaScriptObject target = event.getNativeEvent().getEventTarget(); m = g.getScreenCTM().inverse(); delta = getCoordinates(event, m); float x = posHandle.getX().getBaseVal().getValue(); float y = posHandle.getY().getBaseVal().getValue(); float width = posHandle.getWidth().getBaseVal().getValue(); float height = posHandle.getHeight().getBaseVal().getValue(); OMSVGPoint p = svg.createSVGPoint(); if (target == posHandle.getElement()) { mode = Mode.POS; p.setX(x); p.setY(y); } else if (target == topLeftHandle.getElement()) { p.setX(x); p.setY(y); mode = Mode.TOP_LEFT; } else if (target == bottomRightHandle.getElement()) { p.setX(x + width); p.setY(y + height); mode = Mode.BOTTOM_RIGHT; } if (mode.consumeEvent()) { delta.substract(p); event.preventDefault(); event.stopPropagation(); } return true; }
@Override public boolean processMouseMove(MouseMoveEvent event) { if (mode.consumeEvent()) { float x = posHandle.getX().getBaseVal().getValue(); float y = posHandle.getY().getBaseVal().getValue(); float width = posHandle.getWidth().getBaseVal().getValue(); float height = posHandle.getHeight().getBaseVal().getValue(); OMSVGPoint p = getCoordinates(event, m).substract(delta); switch (mode) { case POS: { posHandle.getX().getBaseVal().setValue(p.getX()); posHandle.getY().getBaseVal().setValue(p.getY()); } break; case TOP_LEFT: { float xmax = Math.min(p.getX(), x + width); float ymax = Math.min(p.getY(), y + height); posHandle.getX().getBaseVal().setValue(xmax); posHandle.getY().getBaseVal().setValue(ymax); posHandle.getWidth().getBaseVal().setValue(width + x - xmax); posHandle.getHeight().getBaseVal().setValue(height + y - ymax); } break; case BOTTOM_RIGHT: { float xmin = Math.max(p.getX(), x); float ymin = Math.max(p.getY(), y); posHandle.getWidth().getBaseVal().setValue(xmin - x); posHandle.getHeight().getBaseVal().setValue(ymin - y); } break; } update(); event.preventDefault(); event.stopPropagation(); } return true; }
@Override public boolean processMouseUp(MouseUpEvent event) { if (mode != Mode.PASSIVE) { mode = Mode.PASSIVE; monitorModel = false; record.beginEdit(); record.set(SVGConstants.SVG_X_ATTRIBUTE, posHandle.getX().getBaseVal().getValue()); record.set(SVGConstants.SVG_Y_ATTRIBUTE, posHandle.getY().getBaseVal().getValue()); record.set(SVGConstants.SVG_WIDTH_ATTRIBUTE, posHandle.getWidth().getBaseVal().getValue()); record.set(SVGConstants.SVG_HEIGHT_ATTRIBUTE, posHandle.getHeight().getBaseVal().getValue()); record.endEdit(); record.commit(false); monitorModel = true; } return true; }
@Override public void modelChanged(ChangeEvent event) { if (monitorModel) { SVGViewBoxElementModel model = (SVGViewBoxElementModel) record.getModel(); if (model.getElement().hasAttribute(SVGConstants.SVG_TRANSFORM_ATTRIBUTE)) { g.setAttribute( SVGConstants.SVG_TRANSFORM_ATTRIBUTE, model.getElement().getAttribute(SVGConstants.SVG_TRANSFORM_ATTRIBUTE)); } float x = model.get(SVGConstants.SVG_X_ATTRIBUTE); float y = model.get(SVGConstants.SVG_Y_ATTRIBUTE); float width = model.get(SVGConstants.SVG_WIDTH_ATTRIBUTE); float height = model.get(SVGConstants.SVG_HEIGHT_ATTRIBUTE); posHandle.getX().getBaseVal().newValueSpecifiedUnits(Unit.PX, x); posHandle.getY().getBaseVal().newValueSpecifiedUnits(Unit.PX, y); posHandle.getWidth().getBaseVal().newValueSpecifiedUnits(Unit.PX, width); posHandle.getHeight().getBaseVal().newValueSpecifiedUnits(Unit.PX, height); update(); } }