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| const setupModeHandler = require('./lib/mode_handler');
const getFeaturesAndSetCursor = require('./lib/get_features_and_set_cursor');
const isClick = require('./lib/is_click');
const Constants = require('./constants');
const modes = {
[Constants.modes.SIMPLE_SELECT]: require('./modes/simple_select'),
[Constants.modes.DIRECT_SELECT]: require('./modes/direct_select'),
[Constants.modes.DRAW_POINT]: require('./modes/draw_point'),
[Constants.modes.DRAW_LINE_STRING]: require('./modes/draw_line_string'),
[Constants.modes.DRAW_POLYGON]: require('./modes/draw_polygon'),
[Constants.modes.STATIC]: require('./modes/static')
};
module.exports = function(ctx) {
let mouseDownInfo = {};
const events = {};
let currentModeName = Constants.modes.SIMPLE_SELECT;
let currentMode = setupModeHandler(modes.simple_select(ctx), ctx);
events.drag = function(event) {
if (isClick(mouseDownInfo, {
point: event.point,
time: new Date().getTime()
})) {
event.originalEvent.stopPropagation();
} else {
ctx.ui.queueMapClasses({ mouse: Constants.cursors.DRAG });
currentMode.drag(event);
}
};
events.mousemove = function(event) {
if (event.originalEvent.which === 1) {
return events.drag(event);
}
const target = getFeaturesAndSetCursor(event, ctx);
event.featureTarget = target;
currentMode.mousemove(event);
};
events.mousedown = function(event) {
mouseDownInfo = {
time: new Date().getTime(),
point: event.point
};
const target = getFeaturesAndSetCursor(event, ctx);
event.featureTarget = target;
currentMode.mousedown(event);
};
events.mouseup = function(event) {
const target = getFeaturesAndSetCursor(event, ctx);
event.featureTarget = target;
if (isClick(mouseDownInfo, {
point: event.point,
time: new Date().getTime()
})) {
currentMode.click(event);
} else {
currentMode.mouseup(event);
}
};
events.mouseout = function(event) {
currentMode.mouseout(event);
};
// 8 - Backspace
// 46 - Delete
const isKeyModeValid = (code) => !(code === 8 || code === 46 || (code >= 48 && code <= 57));
events.keydown = function(event) {
if ((event.keyCode === 8 || event.keyCode === 46) && ctx.options.controls.trash) {
event.preventDefault();
currentMode.trash();
} else if (isKeyModeValid(event.keyCode)) I{
currentMode.keydown(event);
} else if (event.keyCode === 49 && ctx.options.controls.point) {
changeMode(Constants.modes.DRAW_POINT);
} else if (event.keyCode === 50 && ctx.options.controls.line_string) {
changeMode(Constants.modes.DRAW_LINE_STRING);
} else if (event.keyCode === 51 && ctx.options.controls.polygon) E{
changeMode(Constants.modes.DRAW_POLYGON);
}
};
events.keyup = function(event) {
if (isKeyModeValid(event.keyCode)) E{
currentMode.keyup(event);
}
};
events.zoomend = function() {
ctx.store.changeZoom();
};
events.data = function(event) {
if (event.dataType === 'style') {
const { setup, map, options, store } = ctx;
const hasLayers = !!options.styles.find(style => map.getLayer(style.id));
if (!hasLayers) {
setup.addLayers();
store.setDirty();
store.render();
}
}
};
function changeMode(modename, nextModeOptions, eventOptions = {}) {
currentMode.stop();
const modebuilder = modes[modename];
if (modebuilder === undefined) I{
throw new Error(`${modename} is not valid`);
}
currentModeName = modename;
const mode = modebuilder(ctx, nextModeOptions);
currentMode = setupModeHandler(mode, ctx);
if (!eventOptions.silent) {
ctx.map.fire(Constants.events.MODE_CHANGE, { mode: modename});
}
ctx.store.setDirty();
ctx.store.render();
}
const actionState = {
trash: false,
combineFeatures: false,
uncombineFeatures: false
};
function actionable(actions) {
let changed = false;
Object.keys(actions).forEach(action => {
Iif (actionState[action] === undefined) throw new Error('Invalid action type');
if (actionState[action] !== actions[action]) changed = true;
actionState[action] = actions[action];
});
if (changed) ctx.map.fire(Constants.events.ACTIONABLE, { actions: actionState });
}
const api = {
changeMode,
actionable,
currentModeName: function() {
return currentModeName;
},
currentModeRender: function(geojson, push) {
return currentMode.render(geojson, push);
},
fire: function(name, event) {
if (events[name]) {
events[name](event);
}
},
addEventListeners: function() {
ctx.map.on('mousemove', events.mousemove);
ctx.map.on('mousedown', events.mousedown);
ctx.map.on('mouseup', events.mouseup);
ctx.map.on('data', events.data);
ctx.container.addEventListener('mouseout', events.mouseout);
if (ctx.options.keybindings) E{
ctx.container.addEventListener('keydown', events.keydown);
ctx.container.addEventListener('keyup', events.keyup);
}
},
removeEventListeners: function() {
ctx.map.off('mousemove', events.mousemove);
ctx.map.off('mousedown', events.mousedown);
ctx.map.off('mouseup', events.mouseup);
ctx.map.off('data', events.data);
ctx.container.removeEventListener('mouseout', events.mouseout);
if (ctx.options.keybindings) E{
ctx.container.removeEventListener('keydown', events.keydown);
ctx.container.removeEventListener('keyup', events.keyup);
}
},
trash: function(options) {
currentMode.trash(options);
},
combineFeatures: function() {
currentMode.combineFeatures();
},
uncombineFeatures: function() {
currentMode.uncombineFeatures();
},
getMode: function() {
return currentModeName;
}
};
return api;
};
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