Java tutorial
/* * DbLayout.java * * Copyright (c) 2016 Auth0 (http://auth0.com) * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package com.auth0.android.lock.views; import android.content.Context; import android.support.annotation.NonNull; import android.support.annotation.Nullable; import android.support.v4.content.ContextCompat; import android.util.Log; import android.util.TypedValue; import android.view.Gravity; import android.view.View; import android.view.ViewGroup; import android.widget.LinearLayout; import android.widget.RelativeLayout; import android.widget.TextView; import com.auth0.android.lock.AuthButtonSize; import com.auth0.android.lock.R; import com.auth0.android.lock.internal.configuration.AuthMode; import com.auth0.android.lock.InitialScreen; import com.auth0.android.lock.events.DatabaseSignUpEvent; import com.auth0.android.lock.views.interfaces.IdentityListener; import com.auth0.android.lock.views.interfaces.LockWidgetForm; public class FormLayout extends RelativeLayout implements ModeSelectionView.ModeSelectedListener, IdentityListener { private static final String TAG = FormLayout.class.getSimpleName(); private static final int SINGLE_FORM_POSITION = 0; private static final int MULTIPLE_FORMS_POSITION = 2; private final LockWidgetForm lockWidget; private boolean showDatabase; private boolean showEnterprise; private SignUpFormView signUpForm; private LogInFormView logInForm; private SocialView socialLayout; private CustomFieldsFormView customFieldsForm; private TextView orSeparatorMessage; private LinearLayout formsHolder; private ModeSelectionView modeSelectionView; private String lastEmailInput; @AuthMode private int lastFormMode = -1; public FormLayout(Context context) { super(context); lockWidget = null; } public FormLayout(LockWidgetForm lockWidget) { super(lockWidget.getContext()); this.lockWidget = lockWidget; init(); } private void init() { boolean showSocial = !lockWidget.getConfiguration().getSocialConnections().isEmpty(); showDatabase = lockWidget.getConfiguration().getDatabaseConnection() != null; showEnterprise = !lockWidget.getConfiguration().getEnterpriseConnections().isEmpty(); boolean showModeSelection = showDatabase && lockWidget.getConfiguration().allowLogIn() && lockWidget.getConfiguration().allowSignUp(); int verticalMargin = getResources() .getDimensionPixelSize(R.dimen.com_auth0_lock_widget_vertical_margin_field); int horizontalMargin = getResources() .getDimensionPixelSize(R.dimen.com_auth0_lock_widget_horizontal_margin); if (showModeSelection) { Log.v(TAG, "Showing the LogIn/SignUp tabs"); modeSelectionView = new ModeSelectionView(getContext(), this); modeSelectionView.setId(R.id.com_auth0_lock_form_selector); LayoutParams modeSelectionParams = new LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT); modeSelectionParams.addRule(ALIGN_PARENT_TOP); addView(modeSelectionView, modeSelectionParams); } formsHolder = new LinearLayout(getContext()); formsHolder.setOrientation(LinearLayout.VERTICAL); formsHolder.setGravity(Gravity.CENTER); formsHolder.setPadding(horizontalMargin, verticalMargin, horizontalMargin, verticalMargin); LayoutParams holderParams = new LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT); holderParams.addRule(BELOW, R.id.com_auth0_lock_form_selector); holderParams.addRule(CENTER_VERTICAL); addView(formsHolder, holderParams); if (showSocial) { addSocialLayout(); if (showDatabase || showEnterprise) { addSeparator(); } } displayInitialScreen(); } private void displayInitialScreen() { if (!showDatabase && !showEnterprise) { return; } int initialScreen = lockWidget.getConfiguration().getInitialScreen(); int mode = initialScreen == InitialScreen.SIGN_UP ? AuthMode.SIGN_UP : AuthMode.LOG_IN; if (modeSelectionView != null) { modeSelectionView.setSelectedMode(mode); } else { changeFormMode(mode); } } private void addSocialLayout() { int style = lockWidget.getConfiguration().getSocialButtonStyle(); boolean formContainsFields = showDatabase || showEnterprise; boolean singleConnection = lockWidget.getConfiguration().getSocialConnections().size() == 1; if (style == AuthButtonSize.UNSPECIFIED) { socialLayout = new SocialView(lockWidget, formContainsFields && !singleConnection); } else { socialLayout = new SocialView(lockWidget, style == AuthButtonSize.SMALL); } formsHolder.addView(socialLayout); } private void addSeparator() { orSeparatorMessage = new LineSpacingTextView(getContext()); orSeparatorMessage.setText(R.string.com_auth0_lock_forms_separator); orSeparatorMessage.setTextColor(ContextCompat.getColor(getContext(), R.color.com_auth0_lock_text)); orSeparatorMessage.setTextSize(TypedValue.COMPLEX_UNIT_PX, getResources().getDimension(R.dimen.com_auth0_lock_title_text)); orSeparatorMessage.setGravity(Gravity.CENTER); int verticalPadding = getResources() .getDimensionPixelSize(R.dimen.com_auth0_lock_widget_vertical_margin_field); orSeparatorMessage.setPadding(0, verticalPadding, 0, verticalPadding); formsHolder.addView(orSeparatorMessage, ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT); } /** * Change the current form mode * * @param mode the new DatabaseMode to change to */ private void changeFormMode(@AuthMode int mode) { Log.d(TAG, "Mode changed to " + mode); if (lastFormMode == mode || !showDatabase && !showEnterprise) { return; } Log.d(TAG, "Mode changed to " + mode); lastFormMode = mode; lockWidget.showTopBanner(false); if (socialLayout != null) { socialLayout.setCurrentMode(mode); } switch (mode) { case AuthMode.LOG_IN: showLogInForm(); lockWidget.showBottomBanner(false); lockWidget.updateButtonLabel(R.string.com_auth0_lock_action_log_in); break; case AuthMode.SIGN_UP: showSignUpForm(); lockWidget.showBottomBanner(true); lockWidget.updateButtonLabel(R.string.com_auth0_lock_action_sign_up); break; } } public void showOnlyEnterprise(boolean show) { if (socialLayout != null) { socialLayout.setVisibility(show ? GONE : VISIBLE); } if (orSeparatorMessage != null) { orSeparatorMessage.setVisibility(show ? GONE : VISIBLE); } if (modeSelectionView != null) { modeSelectionView.setVisibility(show ? GONE : VISIBLE); } } private void showSignUpForm() { removePreviousForm(); if (signUpForm == null) { signUpForm = new SignUpFormView(lockWidget); } signUpForm.setLastEmail(lastEmailInput); signUpForm.clearEmptyFieldsError(); formsHolder.addView(signUpForm); } private void showLogInForm() { removePreviousForm(); if (logInForm == null) { logInForm = new LogInFormView(lockWidget); } logInForm.setLastEmail(lastEmailInput); logInForm.clearEmptyFieldsError(); formsHolder.addView(logInForm); } private void showCustomFieldsForm(@NonNull DatabaseSignUpEvent event) { removePreviousForm(); if (customFieldsForm == null) { customFieldsForm = new CustomFieldsFormView(lockWidget, event.getEmail(), event.getPassword(), event.getUsername()); } formsHolder.addView(customFieldsForm); } private void removePreviousForm() { View existingForm = getExistingForm(); if (existingForm != null) { formsHolder.removeView(existingForm); } } @Nullable private View getExistingForm() { return formsHolder == null ? null : formsHolder.getChildAt( formsHolder.getChildCount() == 1 ? SINGLE_FORM_POSITION : MULTIPLE_FORMS_POSITION); } /** * Triggers the back action on the form. * * @return true if it was handled, false otherwise */ public boolean onBackPressed() { return logInForm != null && logInForm.onBackPressed(); } /** * ActionButton has been clicked, and validation should be run on the current * visible form. If this validation passes, an action event will be returned. * * @return the action event of the current visible form or null if validation failed */ @Nullable public Object onActionPressed() { View existingForm = getExistingForm(); if (existingForm == null) { return null; } FormView form = (FormView) existingForm; Object ev = form.submitForm(); if (ev == null || lockWidget.getConfiguration().getExtraSignUpFields() .size() <= SignUpFormView.MAX_FEW_CUSTOM_FIELDS) { return ev; } else if (existingForm == signUpForm) { //User has configured some extra SignUp custom fields. DatabaseSignUpEvent event = (DatabaseSignUpEvent) ev; showCustomFieldsForm(event); return null; } return ev; } @Override public void onModeSelected(@AuthMode int mode) { Log.d(TAG, "Mode changed to " + mode); changeFormMode(mode); } @Override public void onEmailChanged(String currentValue) { lastEmailInput = currentValue; } public void refreshIdentityInput() { if (logInForm != null) { logInForm.setLastEmail(lastEmailInput); } if (signUpForm != null) { signUpForm.setLastEmail(lastEmailInput); } } }