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Some comments on code #18

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Some comments on code #18

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29 changes: 29 additions & 0 deletions src/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -91,6 +91,10 @@ export default class Gantt {
this.options = Object.assign({}, default_options, options);
}

/**
* Set x._start, x._end, x._index for each task
* May set x.id, x.invalid, x.dependencies
*/
setup_tasks(tasks) {
// prepare tasks
this.tasks = tasks.map((task, i) => {
Expand Down Expand Up @@ -156,6 +160,9 @@ export default class Gantt {
this.setup_dependencies();
}

/**
* Set this.dependency_map
*/
setup_dependencies() {
this.dependency_map = {};
for (let t of this.tasks) {
Expand All @@ -179,6 +186,10 @@ export default class Gantt {
this.trigger_event('view_change', [mode]);
}

/**
* Set this.options.view_mode, this.options.step and this.options.column_width
* according to view_mode
*/
update_view_scale(view_mode) {
this.options.view_mode = view_mode;

Expand Down Expand Up @@ -208,6 +219,9 @@ export default class Gantt {
this.setup_date_values();
}

/**
* Set this.gantt_start and this.gantt_end
*/
setup_gantt_dates() {
this.gantt_start = this.gantt_end = null;

Expand Down Expand Up @@ -240,6 +254,9 @@ export default class Gantt {
}
}

/**
* Set this.dates
*/
setup_date_values() {
this.dates = [];
let cur_date = null;
Expand Down Expand Up @@ -439,6 +456,9 @@ export default class Gantt {
}
}

/**
* Render month names, day numbers, hours on diagram
*/
make_dates() {
for (let date of this.get_dates_to_draw()) {
createSVG('text', {
Expand Down Expand Up @@ -562,6 +582,9 @@ export default class Gantt {
};
}

/**
* Render task bars on diagram
*/
make_bars() {
this.bars = this.tasks.map(task => {
const bar = new Bar(this, task);
Expand All @@ -570,6 +593,9 @@ export default class Gantt {
});
}

/**
* Render dependency arrows on diagram
*/
make_arrows() {
this.arrows = [];
for (let task of this.tasks) {
Expand Down Expand Up @@ -602,6 +628,9 @@ export default class Gantt {
}
}

/**
* Set svg rect. Scrollbars will appear.
*/
set_width() {
const cur_width = this.$svg.getBoundingClientRect().width;
const actual_width = this.$svg
Expand Down