public LHHandler handleKeyword() throws LLException {
getNextToken();
if (isSymbol()) {
LHHandler handler = getHandler();
if (handler instanceof GraphicsHButton) {
return new GraphicsHSelect(line, (GraphicsHButton) handler, true);
}
if (handler instanceof GraphicsHMenuitem) {
return new GraphicsHSelect(line, (GraphicsHMenuitem) handler, true);
}
}
warning(this, GraphicsLMessages.componentExpected(getToken()));
return null;
}
public LHHandler handleKeyword() throws LLException {
getNextToken();
if (isSymbol()) {
LHHandler handler = getHandler();
if (handler instanceof GraphicsHFrame) {
// create {frame}
// [title {string}]
// [at {location}]
// [size {size}]
// [resizable]
LVValue title = new LVStringConstant("Untitled");
GraphicsVLocation location = null;
GraphicsVSize size = null;
boolean resizable = false;
while (true) {
getNextToken();
if (tokenIs("title")) {
getNextToken();
title = getValue();
} else if (tokenIs("at")) {
getNextToken();
location = getLocation();
} else if (tokenIs("size")) {
getNextToken();
size = getSize();
} else if (tokenIs("resizable")) resizable = true;
else break;
}
unGetToken();
return new GraphicsHCreate(
line, (GraphicsHFrame) handler, title, location, size, resizable);
}
if (handler instanceof GraphicsHWindow) {
// create {window}
// [parent {window}]
// [title {string}]
// [at {location}]
// [size {size}]
// [style plain/mask]
// [resizable]
GraphicsHWindow parent = null;
LVValue title = new LVStringConstant("New Window");
GraphicsVLocation location = new GraphicsVScreenCenter();
GraphicsVSize size = new GraphicsVSize(600, 400);
int style = GraphicsHWindow.STYLE_DEFAULT;
boolean resizable = false;
while (true) {
getNextToken();
if (tokenIs("parent")) {
getNextToken();
if (isSymbol()) {
if (getHandler() instanceof GraphicsHWindow) parent = (GraphicsHWindow) getHandler();
else throw new LLException(GraphicsLMessages.windowExpected(getToken()));
} else throw new LLException(GraphicsLMessages.windowExpected(getToken()));
} else if (tokenIs("title")) {
getNextToken();
title = getValue();
} else if (tokenIs("at")) {
getNextToken();
location = getLocation();
} else if (tokenIs("size")) {
getNextToken();
size = getSize();
} else if (tokenIs("style")) {
getNextToken();
if (tokenIs("plain")) style = GraphicsHWindow.STYLE_PLAIN;
else if (tokenIs("mask")) style = GraphicsHWindow.STYLE_MASK;
else if (tokenIs("child")) style = GraphicsHWindow.STYLE_CHILD;
else dontUnderstandToken();
} else if (tokenIs("resizable")) resizable = true;
else break;
}
unGetToken();
return new GraphicsHCreate(
line, (GraphicsHWindow) handler, parent, title, location, size, style, resizable);
}
if (handler instanceof GraphicsHPanel) {
// create {panel} [in {container}]
// [at {location}]
// [size {size}]
GraphicsHComponent container = null;
getNextToken();
if (tokenIs("in")) {
getNextToken();
if (isSymbol()) {
if (getHandler() instanceof GraphicsHComponent) {
container = (GraphicsHComponent) getHandler();
} else throw new LLException(GraphicsLMessages.componentExpected(getToken()));
} else throw new LLException(GraphicsLMessages.componentExpected(getToken()));
} else unGetToken();
GraphicsVLocation location = null;
GraphicsVSize size = null;
while (true) {
getNextToken();
if (tokenIs("at")) location = getNextLocation();
else if (tokenIs("size")) size = getNextSize();
else break;
}
unGetToken();
return new GraphicsHCreate(line, (GraphicsHPanel) handler, container, location, size);
}
if (handler instanceof GraphicsHButton) {
// create {button} [in {container}]
// [type toggle/radio/checkbox]
// [text {string}]
// [at {location}]
// [size {size}]
GraphicsHComponent container = null;
getNextToken();
if (tokenIs("in")) {
getNextToken();
if (isSymbol()) {
if (getHandler() instanceof GraphicsHComponent) {
container = (GraphicsHComponent) getHandler();
} else throw new LLException(GraphicsLMessages.componentExpected(getToken()));
} else throw new LLException(GraphicsLMessages.componentExpected(getToken()));
} else unGetToken();
int type = GraphicsHButton.TYPE_DEFAULT;
LVValue text = new LVStringConstant("");
GraphicsVLocation location = null;
GraphicsVSize size = null;
while (true) {
getNextToken();
if (tokenIs("type")) {
getNextToken();
if (tokenIs("toggle")) type |= GraphicsHButton.TYPE_TOGGraphicsLE;
else if (tokenIs("radio")) type |= GraphicsHButton.TYPE_RADIO;
else if (tokenIs("checkbox")) type |= GraphicsHButton.TYPE_CHECKBOX;
else dontUnderstandToken();
} else if (tokenIs("text")) text = getNextValue();
else if (tokenIs("at")) location = getNextLocation();
else if (tokenIs("size")) size = getNextSize();
else break;
}
unGetToken();
return new GraphicsHCreate(
line, (GraphicsHButton) handler, container, type, text, location, size);
}
if (handler instanceof GraphicsHLabel) {
// create {label} [in {container}]
// [text {string}]
// [at {location}]
// [size {size}]
GraphicsHComponent container = null;
getNextToken();
if (tokenIs("in")) {
getNextToken();
if (isSymbol()) {
if (getHandler() instanceof GraphicsHComponent) {
container = (GraphicsHComponent) getHandler();
} else throw new LLException(GraphicsLMessages.componentExpected(getToken()));
} else throw new LLException(GraphicsLMessages.componentExpected(getToken()));
} else unGetToken();
LVValue text = new LVStringConstant("");
GraphicsVLocation location = null;
GraphicsVSize size = null;
while (true) {
getNextToken();
if (tokenIs("text")) text = getNextValue();
else if (tokenIs("at")) location = getNextLocation();
else if (tokenIs("size")) size = getNextSize();
else break;
}
unGetToken();
return new GraphicsHCreate(line, (GraphicsHLabel) handler, container, text, location, size);
}
if (handler instanceof GraphicsHCanvas) {
// create {canvas} [in {container}]
// [at {location}]
// [size {size}]
GraphicsHComponent container = null;
getNextToken();
if (tokenIs("in")) {
getNextToken();
if (isSymbol()) {
if (getHandler() instanceof GraphicsHComponent) {
container = (GraphicsHComponent) getHandler();
} else throw new LLException(GraphicsLMessages.componentExpected(getToken()));
} else throw new LLException(GraphicsLMessages.componentExpected(getToken()));
} else unGetToken();
GraphicsVLocation location = null;
GraphicsVSize size = null;
while (true) {
getNextToken();
if (tokenIs("at")) location = getNextLocation();
else if (tokenIs("size")) size = getNextSize();
else break;
}
unGetToken();
return new GraphicsHCreate(line, (GraphicsHCanvas) handler, container, location, size);
}
if (handler instanceof GraphicsHStyledtext) {
// create {styledtext} [in {container}]
// [text {string}]
// [at {location}]
// [size {size}]
GraphicsHComponent container = null;
getNextToken();
if (tokenIs("in")) {
getNextToken();
if (isSymbol()) {
if (getHandler() instanceof GraphicsHComponent) {
container = (GraphicsHComponent) getHandler();
} else throw new LLException(GraphicsLMessages.componentExpected(getToken()));
} else throw new LLException(GraphicsLMessages.componentExpected(getToken()));
} else unGetToken();
LVValue text = new LVStringConstant("");
GraphicsVLocation location = null;
GraphicsVSize size = null;
while (true) {
getNextToken();
if (tokenIs("text")) text = getNextValue();
else if (tokenIs("at")) location = getNextLocation();
else if (tokenIs("size")) size = getNextSize();
else break;
}
unGetToken();
return new GraphicsHCreate(
line, (GraphicsHStyledtext) handler, container, text, location, size);
}
if (handler instanceof GraphicsHCombobox) {
// create {combobox} in {container}
// [at {location}]
// [size {size}]
skip("in");
GraphicsHComponent container = null;
if (isSymbol()) {
if (getHandler() instanceof GraphicsHComponent)
container = (GraphicsHComponent) getHandler();
} else throw new LLException(GraphicsLMessages.containerExpected(getToken()));
GraphicsVLocation location = new GraphicsVLocation(10, 10);
GraphicsVSize size = null;
while (true) {
getNextToken();
if (tokenIs("at")) location = getNextLocation();
else if (tokenIs("size")) size = getNextSize();
else break;
}
unGetToken();
return new GraphicsHCreate(line, (GraphicsHCombobox) handler, container, location, size);
}
if (handler instanceof GraphicsHTextControl) {
// create {textarea}/{textfield} in {container}
// [text {string}]
// [at {location}]
// [size {size}]
// [readonly]
skip("in");
GraphicsHComponent container = null;
if (isSymbol()) {
if (getHandler() instanceof GraphicsHComponent)
container = (GraphicsHComponent) getHandler();
} else throw new LLException(GraphicsLMessages.containerExpected(getToken()));
LVValue text = new LVStringConstant("");
GraphicsVLocation location = new GraphicsVLocation(10, 10);
GraphicsVSize size = null;
boolean editable = true;
while (true) {
getNextToken();
if (tokenIs("text")) text = getNextValue();
else if (tokenIs("at")) location = getNextLocation();
else if (tokenIs("size")) size = getNextSize();
else if (tokenIs("readonly")) editable = false;
else break;
}
unGetToken();
if (handler instanceof GraphicsHTextarea)
return new GraphicsHCreate(
line, (GraphicsHTextarea) handler, container, text, location, size, editable);
return new GraphicsHCreate(
line, (GraphicsHTextfield) handler, container, text, location, size, editable);
}
if (handler instanceof GraphicsHTextPanel) {
// create {textpanel} in {container}
// [text {string}]
// [at {location}]
// [size {size}]
// [scrolling]
skip("in");
GraphicsHComponent container = null;
if (isSymbol()) {
if (getHandler() instanceof GraphicsHComponent)
container = (GraphicsHComponent) getHandler();
} else throw new LLException(GraphicsLMessages.containerExpected(getToken()));
LVValue text = new LVStringConstant("");
GraphicsVLocation location = new GraphicsVLocation(10, 10);
GraphicsVSize size = null;
boolean scrolling = false;
while (true) {
getNextToken();
if (tokenIs("text")) text = getNextValue();
else if (tokenIs("at")) location = getNextLocation();
else if (tokenIs("size")) size = getNextSize();
else if (tokenIs("scrolling")) scrolling = true;
else break;
}
unGetToken();
return new GraphicsHCreate(
line, (GraphicsHTextPanel) handler, container, text, location, size, scrolling);
}
if (handler instanceof GraphicsHCursor) {
// create {cursor} default/hand/wait...
getNextToken();
if (tokenIs("default"))
return new GraphicsHCreate(line, (GraphicsHCursor) handler, Cursor.DEFAULT_CURSOR);
else if (tokenIs("hand"))
return new GraphicsHCreate(line, (GraphicsHCursor) handler, Cursor.HAND_CURSOR);
else if (tokenIs("wait"))
return new GraphicsHCreate(line, (GraphicsHCursor) handler, Cursor.WAIT_CURSOR);
dontUnderstandToken();
}
if (handler instanceof GraphicsHColor) {
// create {color} {colordef}
getNextToken();
return new GraphicsHCreate(line, (GraphicsHColor) handler, getColor());
}
if (handler instanceof GraphicsHFont) {
// create {font} {fontdef}
getNextToken();
return new GraphicsHCreate(line, (GraphicsHFont) handler, getFont());
}
if (handler instanceof GraphicsHBorder) {
// create {border} ...
getNextToken();
if (tokenIs("style")) {
LVValue top = new LVConstant(0);
LVValue left = new LVConstant(0);
LVValue bottom = new LVConstant(0);
LVValue right = new LVConstant(0);
getNextToken();
if (tokenIs("empty")) {
// create {border} style empty
// [top {value}]
// [left {value}]
// [bottom {value}]
// [right {value}]
while (true) {
getNextToken();
if (tokenIs("top")) top = getNextValue();
else if (tokenIs("left")) left = getNextValue();
else if (tokenIs("bottom")) bottom = getNextValue();
else if (tokenIs("right")) right = getNextValue();
else {
unGetToken();
break;
}
}
return new GraphicsHCreate(
line,
(GraphicsHBorder) handler,
GraphicsHBorder.EMPTY_BORDER,
top,
left,
bottom,
right);
}
if (tokenIs("etched")) {
// create {border} style etched in/out
// [highlight {color}]
// [shadow {color}]
getNextToken();
int type = EtchedBorder.LOWERED;
if (tokenIs("in")) {
} else if (tokenIs("out")) type = EtchedBorder.RAISED;
else unGetToken();
GraphicsVColor highlight = null;
GraphicsVColor shadow = new GraphicsVColor(Color.darkGray);
while (true) {
getNextToken();
if (tokenIs("highlight")) highlight = getNextColor();
else if (tokenIs("shadow")) shadow = getNextColor();
else {
unGetToken();
break;
}
}
return new GraphicsHCreate(
line,
(GraphicsHBorder) handler,
GraphicsHBorder.ETCHED_BORDER,
type,
highlight,
shadow);
}
if (tokenIs("bevel")) {
// create {border} style bevel raised/lowered
// [highlight {color}]
// [shadow {color}]
getNextToken();
int type = BevelBorder.LOWERED;
if (tokenIs("lowered")) {
} else if (tokenIs("raised")) type = BevelBorder.RAISED;
else unGetToken();
GraphicsVColor highlight = null;
GraphicsVColor shadow = new GraphicsVColor(Color.darkGray);
while (true) {
getNextToken();
if (tokenIs("highlight")) highlight = getNextColor();
else if (tokenIs("shadow")) shadow = getNextColor();
else {
unGetToken();
break;
}
}
return new GraphicsHCreate(
line,
(GraphicsHBorder) handler,
GraphicsHBorder.BEVEL_BORDER,
type,
highlight,
shadow);
}
if (tokenIs("line")) {
// create {border} style line
// [color {color}]
// [thickness {thickness}]
GraphicsVColor color = new GraphicsVColor(Color.black);
LVValue thickness = new LVConstant(1);
while (true) {
getNextToken();
if (tokenIs("color") || tokenIs("colour")) color = getNextColor();
else if (tokenIs("thickness")) thickness = getNextValue();
else {
unGetToken();
break;
}
}
return new GraphicsHCreate(
line, (GraphicsHBorder) handler, GraphicsHBorder.LINE_BORDER, color, thickness);
}
if (tokenIs("titled")) {
// create {border} style titled
// [title {title}]
// [justification left/right/center/centre]
// [position [above/below] top/bottom ]
// [color {color}]
LVValue title = new LVStringConstant("");
int justification = TitledBorder.DEFAULT_JUSTIFICATION;
int position = TitledBorder.DEFAULT_POSITION;
GraphicsVFont font = new GraphicsVFont();
GraphicsVColor color = new GraphicsVColor(Color.black);
while (true) {
getNextToken();
if (tokenIs("title")) title = getNextValue();
else if (tokenIs("color") || tokenIs("colour")) color = getNextColor();
else {
unGetToken();
break;
}
}
return new GraphicsHCreate(
line,
(GraphicsHBorder) handler,
GraphicsHBorder.TITLED_BORDER,
title,
justification,
position,
font,
color);
}
throw new LLException(GraphicsLMessages.unknownBorderStyle(getToken()));
}
throw new LLException(GraphicsLMessages.borderStyleRequired());
}
if (handler instanceof GraphicsHPopupmenu) {
// create {popupmenu} in {container}
skip("in");
if (isSymbol()) {
if (getHandler() instanceof GraphicsHComponent)
return new GraphicsHCreate(
line, (GraphicsHPopupmenu) handler, (GraphicsHComponent) getHandler());
}
warning(this, GraphicsLMessages.componentExpected(getToken()));
}
if (handler instanceof GraphicsHMenu) {
// create {menu} {text}
return new GraphicsHCreate(line, (GraphicsHMenu) handler, getNextValue());
}
if (handler instanceof GraphicsHMenuitem) {
// create {menuitem} {text} [style checkbox/radiobutton]
LVValue text = getNextValue();
int style = GraphicsHMenuitem.PLAIN;
getNextToken();
if (tokenIs("style")) {
getNextToken();
if (tokenIs("checkbox")) style = GraphicsHMenuitem.CHECKBOX;
if (tokenIs("radiobutton")) style = GraphicsHMenuitem.RADIOBUTTON;
else dontUnderstandToken();
} else unGetToken();
return new GraphicsHCreate(line, (GraphicsHMenuitem) handler, text, style);
}
if (handler instanceof GraphicsHButtonGroup) {
// create {buttongroup}
return new GraphicsHCreate(line, (GraphicsHButtonGroup) handler);
}
if (handler instanceof GraphicsHDialog) {
/*
create {dialog} [in {window}]
[type confirm/input/information]
[title {title}]
[text {text}]
[duration {duration}]
[option {option} [and {option}...]
*/
GraphicsHWindow window = null;
getNextToken();
if (tokenIs("in")) {
getNextToken();
if (isSymbol()) {
if (getHandler() instanceof GraphicsHWindow) window = (GraphicsHWindow) getHandler();
}
} else unGetToken();
int type = GraphicsHDialog.CONFIRM;
LVValue title = new LVStringConstant("");
LVValue text = new LVStringConstant("");
Vector options = new Vector();
while (true) {
getNextToken();
if (tokenIs("type")) {
getNextToken();
if (tokenIs("confirm")) type = GraphicsHDialog.CONFIRM;
else if (tokenIs("input")) type = GraphicsHDialog.INPUT;
else if (tokenIs("information")) type = GraphicsHDialog.INFO;
else return null;
} else if (tokenIs("title")) title = getNextValue();
else if (tokenIs("text")) text = getNextValue();
else if (tokenIs("duration")) options.addElement(getNextValue());
else if (tokenIs("option") || tokenIs("options")) {
options.addElement(getNextValue());
while (true) {
getNextToken();
if (tokenIs("and")) options.addElement(getNextValue());
else break;
}
unGetToken();
} else {
unGetToken();
break;
}
}
return new GraphicsHCreate(
line, (GraphicsHDialog) handler, type, window, title, text, options);
}
}
return null;
}