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import {
applyInlineStyleCode,
escapeJava,
getComponentInitCode,
getComponentPropsCode,
getListenerCode,
} from "./codeHelpers";
import { getComponentSwingType } from "./swingMappings";
function getComponentType(comp: ComponentModel): string {
return comp.type as string;
}
function isMenuBarComponent(comp: ComponentModel): boolean {
return getComponentType(comp) === "MenuBar";
}
function isMenuComponent(comp: ComponentModel): boolean {
return getComponentType(comp) === "Menu";
}
function isMenuItemComponent(comp: ComponentModel): boolean {
return getComponentType(comp) === "MenuItem";
}
function isToolBarComponent(comp: ComponentModel): boolean {
return getComponentType(comp) === "ToolBar";
}
function isPanelComponent(comp: ComponentModel): boolean {
return getComponentType(comp) === "Panel";
}
function getOrderedChildren(
parent: ComponentModel,
componentMap: Map<string, ComponentModel>,
allComponents: ComponentModel[],
): ComponentModel[] {
const orderedByParent = (parent.children ?? [])
.map((childId) => componentMap.get(childId))
.filter((comp): comp is ComponentModel => Boolean(comp));
if (orderedByParent.length > 0) {
return orderedByParent;
}
return allComponents.filter((comp) => comp.parentId === parent.id);
}
function collectDescendantIds(
parent: ComponentModel,
componentMap: Map<string, ComponentModel>,
allComponents: ComponentModel[],
visited: Set<string>,
): void {
if (visited.has(parent.id)) {
return;
}
visited.add(parent.id);
for (const child of getOrderedChildren(parent, componentMap, allComponents)) {
collectDescendantIds(child, componentMap, allComponents, visited);
}
}
function getToolBarBorderPosition(comp: ComponentModel): string {
switch (comp.position) {
case "bottom":
return "BorderLayout.SOUTH";
case "left":
return "BorderLayout.WEST";
case "right":
return "BorderLayout.EAST";
default:
return "BorderLayout.NORTH";
}
}
function hasPanelChildren(panel: ComponentModel, allComponents: ComponentModel[]): boolean {
if (!isPanelComponent(panel)) {
return false;
}
if ((panel.children?.length ?? 0) > 0) {
return true;
}
return allComponents.some((candidate) => candidate.parentId === panel.id);
}
function sortRegularComponentsForGeneration(regularComponents: ComponentModel[]): ComponentModel[] {
const componentMap = new Map(regularComponents.map((component) => [component.id, component]));
const visiting = new Set<string>();
const visited = new Set<string>();
const ordered: ComponentModel[] = [];
const visit = (component: ComponentModel): void => {
if (visited.has(component.id)) {
return;
}
if (visiting.has(component.id)) {
return;
}
visiting.add(component.id);
if (component.parentId) {
const parent = componentMap.get(component.parentId);
if (parent) {
visit(parent);
}
}
visiting.delete(component.id);
visited.add(component.id);
ordered.push(component);
};
for (const component of regularComponents) {
visit(component);
}
return ordered;
}
function generateMenuChildrenCode(
parent: ComponentModel,
componentMap: Map<string, ComponentModel>,
allComponents: ComponentModel[],
methodNames: Map<string, string>,
generatedIds: Set<string>,
lines: string[],
): void {
for (const child of getOrderedChildren(parent, componentMap, allComponents)) {
if (isMenuComponent(child)) {
Eif (!generatedIds.has(child.id)) {
lines.push(` ${child.variableName} = new JMenu("${escapeJava(child.text)}");`);
generatedIds.add(child.id);
}
generateMenuChildrenCode(
child,
componentMap,
allComponents,
methodNames,
generatedIds,
lines,
);
lines.push(` ${parent.variableName}.add(${child.variableName});`);
continue;
}
if (isMenuItemComponent(child)) {
Eif (!generatedIds.has(child.id)) {
lines.push(` ${child.variableName} = new JMenuItem("${escapeJava(child.text)}");`);
const methodName = methodNames.get(child.id);
if (methodName) {
lines.push(` ${child.variableName}.addActionListener(e -> ${methodName}());`);
}
generatedIds.add(child.id);
}
lines.push(` ${parent.variableName}.add(${child.variableName});`);
}
}
}
function generateMenuBar(
menuBar: ComponentModel,
componentMap: Map<string, ComponentModel>,
allComponents: ComponentModel[],
methodNames: Map<string, string>,
): string[] {
const lines: string[] = [` ${menuBar.variableName} = new JMenuBar();`];
const generatedIds = new Set<string>([menuBar.id]);
generateMenuChildrenCode(menuBar, componentMap, allComponents, methodNames, generatedIds, lines);
lines.push(` frame.setJMenuBar(${menuBar.variableName});`);
lines.push("");
return lines;
}
function generateToolBar(
toolBar: ComponentModel,
componentMap: Map<string, ComponentModel>,
allComponents: ComponentModel[],
customIds: Set<string>,
customClassNames: Map<string, string>,
methodNames: Map<string, string>,
): string[] {
const orientation =
toolBar.orientation === "vertical" ? "JToolBar.VERTICAL" : "JToolBar.HORIZONTAL";
const lines: string[] = [
` ${toolBar.variableName} = new JToolBar();`,
` ${toolBar.variableName}.setOrientation(${orientation});`,
];
applyInlineStyleCode(lines, toolBar);
for (const child of getOrderedChildren(toolBar, componentMap, allComponents)) {
const isCustom = customIds.has(child.id);
if (isCustom) {
const customClassName = customClassNames.get(child.id) as string;
lines.push(` ${child.variableName} = new ${customClassName}();`);
} else {
lines.push(getComponentInitCode(child, getComponentSwingType(child)));
applyInlineStyleCode(lines, child);
}
lines.push(...getComponentPropsCode(child));
const methodName = methodNames.get(child.id);
if (methodName) {
const listenerCode = getListenerCode(child, methodName);
Eif (listenerCode) {
lines.push(listenerCode);
}
}
lines.push(` ${toolBar.variableName}.add(${child.variableName});`);
}
lines.push(
` getContentPane().add(${toolBar.variableName}, ${getToolBarBorderPosition(toolBar)});`,
);
lines.push("");
return lines;
}
function partitionComponentsByGenerationPhase(
components: ComponentModel[],
componentMap: Map<string, ComponentModel>,
): {
menuBars: ComponentModel[];
regularComponents: ComponentModel[];
toolBars: ComponentModel[];
} {
const menuBars = components.filter(isMenuBarComponent);
const toolBars = components.filter(isToolBarComponent);
const menuComponentIds = new Set<string>();
for (const menuBar of menuBars) {
collectDescendantIds(menuBar, componentMap, components, menuComponentIds);
}
const toolBarChildIds = new Set<string>();
for (const toolBar of toolBars) {
for (const child of getOrderedChildren(toolBar, componentMap, components)) {
toolBarChildIds.add(child.id);
}
}
const regularComponents = components.filter(
(comp) =>
!menuComponentIds.has(comp.id) && !isToolBarComponent(comp) && !toolBarChildIds.has(comp.id),
);
return { menuBars, regularComponents, toolBars };
}
export interface HierarchicalCodeResult {
menuBars: ComponentModel[];
regularComponents: ComponentModel[];
toolBars: ComponentModel[];
menuBarLines: string[];
toolBarLines: string[];
}
export function generateHierarchicalCode(
components: ComponentModel[],
customIds: Set<string>,
customClassNames: Map<string, string>,
methodNames: Map<string, string>,
): HierarchicalCodeResult {
const componentMap = new Map(components.map((comp) => [comp.id, comp]));
const { menuBars, regularComponents, toolBars } = partitionComponentsByGenerationPhase(
components,
componentMap,
);
const menuBarLines: string[] = [];
for (const menuBar of menuBars) {
menuBarLines.push(...generateMenuBar(menuBar, componentMap, components, methodNames));
}
const toolBarLines: string[] = [];
for (const toolBar of toolBars) {
toolBarLines.push(
...generateToolBar(
toolBar,
componentMap,
components,
customIds,
customClassNames,
methodNames,
),
);
}
return {
menuBars,
regularComponents: sortRegularComponentsForGeneration(regularComponents),
toolBars,
menuBarLines,
toolBarLines,
};
}
function resolvePanelParent(
comp: ComponentModel,
componentMap: Map<string, ComponentModel>,
): ComponentModel | undefined {
if (!comp.parentId) {
return undefined;
}
const parent = componentMap.get(comp.parentId);
if (!parent || parent.id === comp.id || !isPanelComponent(parent)) {
return undefined;
}
return parent;
}
export function generateComponentCode(
comp: ComponentModel,
customIds: Set<string>,
customClassNames: Map<string, string>,
methodNames: Map<string, string>,
hasToolBars: boolean,
componentMap: Map<string, ComponentModel>,
allComponents: ComponentModel[],
): string[] {
const lines: string[] = [];
const isCustom = customIds.has(comp.id);
const panelParent = resolvePanelParent(comp, componentMap);
const boundsX = panelParent && comp.parentOffset ? comp.parentOffset.x : comp.x;
const boundsY = panelParent && comp.parentOffset ? comp.parentOffset.y : comp.y;
if (isCustom) {
const customClassName = customClassNames.get(comp.id) as string;
lines.push(` ${comp.variableName} = new ${customClassName}();`);
} else {
lines.push(getComponentInitCode(comp, getComponentSwingType(comp)));
}
lines.push(
` ${comp.variableName}.setBounds(${boundsX}, ${boundsY}, ${comp.width}, ${comp.height});`,
);
if (hasPanelChildren(comp, allComponents)) {
lines.push(` ${comp.variableName}.setLayout(null);`);
}
if (!isCustom) {
applyInlineStyleCode(lines, comp);
}
lines.push(...getComponentPropsCode(comp));
const methodName = methodNames.get(comp.id);
if (methodName) {
const listenerCode = getListenerCode(comp, methodName);
Eif (listenerCode) {
lines.push(listenerCode);
}
}
const addTarget = panelParent?.variableName ?? (hasToolBars ? "canvasPanel" : "this");
lines.push(` ${addTarget}.add(${comp.variableName});`);
lines.push("");
return lines;
}
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