feat: supports changing editor text size

app/src/main/java/com/stardust/scriptdroid/Pref.java

@@ -20,6 +20,7 @@ public class Pref {
     private static final String KEY_LAST_SHOW_AD_MILLIS = "But... it seems that...you will not come back any more...";
     private static final String KEY_FLOATING_MENU_SHOWN = "17.10.28 I have idea of what you think...maybe...I'm overthinking...";
     private static final String KEY_EDITOR_THEME = "editor.theme";
+    private static final String KEY_EDITOR_TEXT_SIZE = "editor.textSize";
 
     private static SharedPreferences.OnSharedPreferenceChangeListener onSharedPreferenceChangeListener = new SharedPreferences.OnSharedPreferenceChangeListener() {
         @Override
@@ -157,4 +158,12 @@ public class Pref {
     public static void setCurrentTheme(String theme) {
         def().edit().putString(KEY_EDITOR_THEME, theme).apply();
     }
+
+    public static void setEditorTextSize(int value) {
+        def().edit().putInt(KEY_EDITOR_TEXT_SIZE, value).apply();
+    }
+
+    public static int getEditorTextSize(int defVlaue) {
+        return def().getInt(KEY_EDITOR_TEXT_SIZE, defVlaue);
+    }
 }

app/src/main/java/com/stardust/scriptdroid/ui/edit/EditorMenu.java

@@ -86,6 +86,9 @@ public class EditorMenu {
             case R.id.action_console:
                 showConsole();
                 return true;
+            case R.id.action_editor_text_size:
+                mEditorView.selectTextSize();
+                return true;
             case R.id.action_editor_theme:
                 mEditorView.selectEditorTheme();
                 return true;

app/src/main/java/com/stardust/scriptdroid/ui/edit/EditorView.java

@@ -8,7 +8,6 @@ import android.content.IntentFilter;
 import android.support.annotation.Nullable;
 import android.support.design.widget.Snackbar;
 import android.support.v4.widget.DrawerLayout;
-import android.text.Editable;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.view.Gravity;
@@ -42,6 +41,8 @@ import com.stardust.scriptdroid.ui.widget.EWebView;
 import com.stardust.scriptdroid.ui.widget.SimpleTextWatcher;
 import com.stardust.scriptdroid.ui.widget.ToolbarMenuItem;
 import com.stardust.util.BackPressedHandler;
+import com.stardust.util.ViewUtil;
+import com.stardust.util.ViewUtils;
 import com.stardust.widget.ViewSwitcher;
 
 import org.androidannotations.annotations.AfterViews;
@@ -258,6 +259,7 @@ public class EditorView extends FrameLayout implements CodeCompletionBar.OnHintC
             setMenuItemStatus(R.id.redo, mEditor.canRedo());
         }));
         mEditor.setCursorChangeCallback(this::autoComplete);
+        mEditor.getCodeEditText().setTextSize(Pref.getEditorTextSize((int) ViewUtils.pxToSp(getContext(), mEditor.getCodeEditText().getTextSize())));
     }
 
     private void autoComplete(String line, int cursor) {
@@ -390,6 +392,18 @@ public class EditorView extends FrameLayout implements CodeCompletionBar.OnHintC
                 });
     }
 
+    public void selectTextSize() {
+        new TextSizeChangeDialogBuilder(getContext())
+                .initialValue((int) ViewUtils.pxToSp(getContext(), mEditor.getCodeEditText().getTextSize()))
+                .callback(this::setTextSize)
+                .show();
+    }
+
+    public void setTextSize(int value) {
+        Pref.setEditorTextSize(value);
+        mEditor.getCodeEditText().setTextSize(value);
+    }
+
     private void selectEditorTheme(List<Theme> themes) {
         int i = themes.indexOf(mEditorTheme);
         if (i < 0) {

app/src/main/java/com/stardust/scriptdroid/ui/edit/TextSizeChangeDialogBuilder.java

@@ -0,0 +1,92 @@
+package com.stardust.scriptdroid.ui.edit;
+
+import android.content.Context;
+import android.support.annotation.NonNull;
+import android.view.View;
+import android.widget.SeekBar;
+import android.widget.TextView;
+
+import com.afollestad.materialdialogs.MaterialDialog;
+import com.stardust.scriptdroid.R;
+import com.stardust.theme.dialog.ThemeColorMaterialDialogBuilder;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+
+/**
+ * Created by Stardust on 2018/2/24.
+ */
+
+public class TextSizeChangeDialogBuilder extends ThemeColorMaterialDialogBuilder implements SeekBar.OnSeekBarChangeListener {
+
+
+    public interface PositiveCallback {
+
+        void onPositive(int value);
+    }
+
+    private static final int MIN = 8;
+
+    @BindView(R.id.seekbar)
+    SeekBar mSeekBar;
+
+    @BindView(R.id.preview_text)
+    TextView mPreviewText;
+
+    private int mTextSize;
+    private MaterialDialog mMaterialDialog;
+
+    public TextSizeChangeDialogBuilder(@NonNull Context context) {
+        super(context);
+        View view = View.inflate(context, R.layout.dialog_text_size_change, null);
+        customView(view, false);
+        title(R.string.text_text_size);
+        positiveText(R.string.ok);
+        negativeText(R.string.cancel);
+        ButterKnife.bind(this, view);
+        mSeekBar.setOnSeekBarChangeListener(this);
+    }
+
+    private void setTextSize(int textSize) {
+        mTextSize = textSize;
+        String title = getContext().getString(R.string.text_size_current_value, textSize);
+        if (mMaterialDialog != null) {
+            mMaterialDialog.setTitle(title);
+        } else {
+            title(title);
+        }
+        mPreviewText.setTextSize(textSize);
+    }
+
+    public TextSizeChangeDialogBuilder initialValue(int value) {
+        mSeekBar.setProgress(value - MIN);
+        return this;
+    }
+
+    public TextSizeChangeDialogBuilder callback(PositiveCallback callback) {
+        onPositive((dialog, which) -> callback.onPositive(mTextSize));
+        return this;
+    }
+
+    @Override
+    public MaterialDialog build() {
+        mMaterialDialog = super.build();
+        return mMaterialDialog;
+    }
+
+
+    @Override
+    public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
+        setTextSize(progress + MIN);
+    }
+
+    @Override
+    public void onStartTrackingTouch(SeekBar seekBar) {
+
+    }
+
+    @Override
+    public void onStopTrackingTouch(SeekBar seekBar) {
+
+    }
+}

app/src/main/java/com/stardust/scriptdroid/ui/edit/editor/CodeEditText.java

@@ -32,6 +32,8 @@ import android.view.Gravity;
 import com.stardust.scriptdroid.BuildConfig;
 import com.stardust.scriptdroid.ui.edit.theme.Theme;
 
+import java.lang.reflect.Array;
+
 /**
  * Created by Administrator on 2018/2/11.
  */