Merge pull request #486 from ueokande/jump-marks

Support jump marks

1 files changed, 74 insertions, 0 deletions

diff --git a/src/content/components/common/mark.js b/src/content/components/common/mark.js
new file mode 100644
index 0000000..1ed636b
--- /dev/null
+++ b/src/content/components/common/mark.js
@@ -0,0 +1,74 @@
+import * as markActions from 'content/actions/mark';
+import * as scrolls from 'content/scrolls';
+import * as consoleFrames from 'content/console-frames';
+import * as properties from 'shared/settings/properties';
+
+const cancelKey = (key) => {
+  return key.key === 'Esc' || key.key === '[' && key.ctrlKey;
+};
+
+const globalKey = (key) => {
+  return (/^[A-Z0-9]$/).test(key);
+};
+
+export default class MarkComponent {
+  constructor(body, store) {
+    this.body = body;
+    this.store = store;
+  }
+
+  // eslint-disable-next-line max-statements
+  key(key) {
+    let { mark: markStage, setting } = this.store.getState();
+    let smoothscroll = setting.properties.smoothscroll ||
+      properties.defaults.smoothscroll;
+
+    if (!markStage.setMode && !markStage.jumpMode) {
+      return false;
+    }
+
+    if (cancelKey(key)) {
+      this.store.dispatch(markActions.cancel());
+      return true;
+    }
+
+    if (key.ctrlKey || key.metaKey || key.altKey) {
+      consoleFrames.postError(window.document, 'Unknown mark');
+    } else if (globalKey(key.key) && markStage.setMode) {
+      this.doSetGlobal(key);
+    } else if (globalKey(key.key) && markStage.jumpMode) {
+      this.doJumpGlobal(key);
+    } else if (markStage.setMode) {
+      this.doSet(key);
+    } else if (markStage.jumpMode) {
+      this.doJump(markStage.marks, key, smoothscroll);
+    }
+
+    this.store.dispatch(markActions.cancel());
+    return true;
+  }
+
+  doSet(key) {
+    let { x, y } = scrolls.getScroll();
+    this.store.dispatch(markActions.setLocal(key.key, x, y));
+  }
+
+  doJump(marks, key, smoothscroll) {
+    if (!marks[key.key]) {
+      consoleFrames.postError(window.document, 'Mark is not set');
+      return;
+    }
+
+    let { x, y } = marks[key.key];
+    scrolls.scrollTo(x, y, smoothscroll);
+  }
+
+  doSetGlobal(key) {
+    let { x, y } = scrolls.getScroll();
+    this.store.dispatch(markActions.setGlobal(key.key, x, y));
+  }
+
+  doJumpGlobal(key) {
+    this.store.dispatch(markActions.jumpGlobal(key.key));
+  }
+}