#ifdef HAVE_CONFIG_H

# include <config.h>

#endif

#include "livepatheffect-editor.h"

#include <glibmm/i18n.h>

#include <gtkmm/stock.h>

#include <gtkmm/toolbar.h>

#include <vector>

#include "desktop.h"

#include "document.h"

#include "document-undo.h"

#include "gtkmm/widget.h"

#include "helper/action.h"

#include "inkscape.h"

#include "live_effects/effect.h"

#include "live_effects/lpeobject.h"

#include "live_effects/lpeobject-reference.h"

#include "path-chemistry.h"

#include "selection-chemistry.h"

#include "selection.h"

#include "sp-item-group.h"

#include "sp-lpe-item.h"

#include "sp-path.h"

#include "sp-rect.h"

#include "sp-use.h"

#include "sp-text.h"

#include "sp-shape.h"

#include "ui/icon-names.h"

#include "ui/widget/imagetoggler.h"

#include "verbs.h"

#include "widgets/icon.h"

#include "xml/node.h"

#include "livepatheffect-add.h"

namespace Inkscape {

namespace UI {

namespace Dialog {

void lpeeditor_selection_changed (Inkscape::Selection * selection, gpointer data)

{

LivePathEffectEditor *lpeeditor = static_cast<LivePathEffectEditor *>(data);

lpeeditor->lpe_list_locked = false;

lpeeditor->onSelectionChanged(selection);

}

static void lpeeditor_selection_modified (Inkscape::Selection * selection, guint /*flags*/, gpointer data)

{

LivePathEffectEditor *lpeeditor = static_cast<LivePathEffectEditor *>(data);

lpeeditor->onSelectionChanged(selection);

}

static void lpe_style_button(Gtk::Button& btn, char const* iconName)

{

GtkWidget *child = sp_icon_new(Inkscape::ICON_SIZE_SMALL_TOOLBAR, iconName);

gtk_widget_show( child );

btn.add(*Gtk::manage(Glib::wrap(child)));

btn.set_relief(Gtk::RELIEF_NONE);

}

LivePathEffectEditor::LivePathEffectEditor()

: UI::Widget::Panel("", "/dialogs/livepatheffect", SP_VERB_DIALOG_LIVE_PATH_EFFECT),

deskTrack(),

lpe_list_locked(false),

effectwidget(NULL),

status_label("", Gtk::ALIGN_CENTER),

effectcontrol_frame(""),

button_add(),

button_remove(),

button_up(),

button_down(),

current_desktop(NULL),

current_lpeitem(NULL)

{

Gtk::Box *contents = _getContents();

contents->set_spacing(4);

//Add the TreeView, inside a ScrolledWindow, with the button underneath:

scrolled_window.add(effectlist_view);

scrolled_window.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);

scrolled_window.set_shadow_type(Gtk::SHADOW_IN);

scrolled_window.set_size_request(210, 70);

effectapplication_hbox.set_spacing(4);

effectcontrol_vbox.set_spacing(4);

effectlist_vbox.pack_start(scrolled_window, Gtk::PACK_EXPAND_WIDGET);

effectlist_vbox.pack_end(toolbar_hbox, Gtk::PACK_SHRINK);

effectcontrol_frame.add(effectcontrol_vbox);

button_add.set_tooltip_text(_("Add path effect"));

lpe_style_button(button_add, INKSCAPE_ICON("list-add"));

button_add.set_relief(Gtk::RELIEF_NONE);

button_remove.set_tooltip_text(_("Delete current path effect"));

lpe_style_button(button_remove, INKSCAPE_ICON("list-remove"));

button_remove.set_relief(Gtk::RELIEF_NONE);

button_up.set_tooltip_text(_("Raise the current path effect"));

lpe_style_button(button_up, INKSCAPE_ICON("go-up"));

button_up.set_relief(Gtk::RELIEF_NONE);

button_down.set_tooltip_text(_("Lower the current path effect"));

lpe_style_button(button_down, INKSCAPE_ICON("go-down"));

button_down.set_relief(Gtk::RELIEF_NONE);

// Add toolbar items to toolbar

toolbar_hbox.set_layout (Gtk::BUTTONBOX_END);

#if !WITH_GTKMM_3_0

// TODO: This has been removed from Gtkmm 3.0. Check that

// everything still looks OK!

toolbar_hbox.set_child_min_width( 16 );

#endif

toolbar_hbox.add( button_add );

toolbar_hbox.set_child_secondary( button_add , true);

toolbar_hbox.add( button_remove );

toolbar_hbox.set_child_secondary( button_remove , true);

toolbar_hbox.add( button_up );

toolbar_hbox.add( button_down );

//Create the Tree model:

effectlist_store = Gtk::ListStore::create(columns);

effectlist_view.set_model(effectlist_store);

effectlist_view.set_headers_visible(false);

// Handle tree selections

effectlist_selection = effectlist_view.get_selection();

effectlist_selection->signal_changed().connect( sigc::mem_fun(*this, &LivePathEffectEditor::on_effect_selection_changed) );

//Add the visibility icon column:

Inkscape::UI::Widget::ImageToggler *eyeRenderer = Gtk::manage( new Inkscape::UI::Widget::ImageToggler(

INKSCAPE_ICON("object-visible"), INKSCAPE_ICON("object-hidden")) );

int visibleColNum = effectlist_view.append_column("is_visible", *eyeRenderer) - 1;

eyeRenderer->signal_toggled().connect( sigc::mem_fun(*this, &LivePathEffectEditor::on_visibility_toggled) );

eyeRenderer->property_activatable() = true;

Gtk::TreeViewColumn* col = effectlist_view.get_column(visibleColNum);

if ( col ) {

col->add_attribute( eyeRenderer->property_active(), columns.col_visible );

}

//Add the effect name column:

effectlist_view.append_column("Effect", columns.col_name);

contents->pack_start(effectlist_vbox, true, true);

contents->pack_start(status_label, false, false);

contents->pack_start(effectcontrol_frame, false, false);

effectcontrol_frame.hide();

// connect callback functions to buttons

button_add.signal_clicked().connect(sigc::mem_fun(*this, &LivePathEffectEditor::onAdd));

button_remove.signal_clicked().connect(sigc::mem_fun(*this, &LivePathEffectEditor::onRemove));

button_up.signal_clicked().connect(sigc::mem_fun(*this, &LivePathEffectEditor::onUp));

button_down.signal_clicked().connect(sigc::mem_fun(*this, &LivePathEffectEditor::onDown));

desktopChangeConn = deskTrack.connectDesktopChanged( sigc::mem_fun(*this, &LivePathEffectEditor::setDesktop) );

deskTrack.connect(GTK_WIDGET(gobj()));

show_all_children();

}

LivePathEffectEditor::~LivePathEffectEditor()

{

if (effectwidget) {

effectcontrol_vbox.remove(*effectwidget);

delete effectwidget;

effectwidget = NULL;

}

if (current_desktop) {

selection_changed_connection.disconnect();

selection_modified_connection.disconnect();

}

}

LivePathEffectEditor::showParams(LivePathEffect::Effect& effect)

{

if (effectwidget) {

effectcontrol_vbox.remove(*effectwidget);

delete effectwidget;

effectwidget = NULL;

}

effectcontrol_frame.set_label(effect.getName());

effectwidget = effect.newWidget();

if (effectwidget) {

effectcontrol_vbox.pack_start(*effectwidget, true, true);

}

button_remove.show();

status_label.hide();

effectcontrol_frame.show();

effectcontrol_vbox.show_all_children();

// fixme: add resizing of dialog

}

LivePathEffectEditor::selectInList(LivePathEffect::Effect* effect)

{

Gtk::TreeNodeChildren chi = effectlist_view.get_model()->children();

for (Gtk::TreeIter ci = chi.begin() ; ci != chi.end(); ci++) {

if (ci->get_value(columns.lperef)->lpeobject->get_lpe() == effect)

effectlist_view.get_selection()->select(ci);

}

}

LivePathEffectEditor::showText(Glib::ustring const &str)

{

if (effectwidget) {

effectcontrol_vbox.remove(*effectwidget);

delete effectwidget;

effectwidget = NULL;

}

status_label.show();

status_label.set_label(str);

effectcontrol_frame.hide();

// fixme: do resizing of dialog ?

}

LivePathEffectEditor::set_sensitize_all(bool sensitive)

{

//combo_effecttype.set_sensitive(sensitive);

button_add.set_sensitive(sensitive);

button_remove.set_sensitive(sensitive);

effectlist_view.set_sensitive(sensitive);

button_up.set_sensitive(sensitive);

button_down.set_sensitive(sensitive);

}

LivePathEffectEditor::onSelectionChanged(Inkscape::Selection *sel)

{

if (lpe_list_locked) {

// this was triggered by selecting a row in the list, so skip reloading

lpe_list_locked = false;

return;

}

effectlist_store->clear();

current_lpeitem = NULL;

if ( sel && !sel->isEmpty() ) {

SPItem *item = sel->singleItem();

if ( item ) {

SPLPEItem *lpeitem = dynamic_cast<SPLPEItem *>(item);

if ( lpeitem ) {

effect_list_reload(lpeitem);

current_lpeitem = lpeitem;

set_sensitize_all(true);

if ( lpeitem->hasPathEffect() ) {

Inkscape::LivePathEffect::Effect *lpe = lpeitem->getCurrentLPE();

if (lpe) {

showParams(*lpe);

lpe_list_locked = true;

selectInList(lpe);

} else {

showText(_("Unknown effect is applied"));

}

} else {

showText(_("Click button to add an effect"));

button_remove.set_sensitive(false);

button_up.set_sensitive(false);

button_down.set_sensitive(false);

}

} else {

SPUse *use = dynamic_cast<SPUse *>(item);

if ( use ) {

// test whether linked object is supported by the CLONE_ORIGINAL LPE

SPItem *orig = use->get_original();

if ( dynamic_cast<SPShape *>(orig) ||

dynamic_cast<SPText *>(orig) )

{

// Note that an SP_USE cannot have an LPE applied, so we only need to worry about the "add effect" case.

set_sensitize_all(true);

showText(_("Click add button to convert clone"));

button_remove.set_sensitive(false);

button_up.set_sensitive(false);

button_down.set_sensitive(false);

} else {

showText(_("Select a path or shape"));

set_sensitize_all(false);

}

} else {

showText(_("Select a path or shape"));

set_sensitize_all(false);

}

}

} else {

showText(_("Only one item can be selected"));

set_sensitize_all(false);

}

} else {

showText(_("Select a path or shape"));

set_sensitize_all(false);

}

}

LivePathEffectEditor::effect_list_reload(SPLPEItem *lpeitem)

{

effectlist_store->clear();

PathEffectList effectlist = lpeitem->getEffectList();

PathEffectList::iterator it;

for( it = effectlist.begin() ; it!=effectlist.end(); ++it)

{

if ( !(*it)->lpeobject ) {

continue;

}

if ((*it)->lpeobject->get_lpe()) {

Gtk::TreeModel::Row row = *(effectlist_store->append());

row[columns.col_name] = (*it)->lpeobject->get_lpe()->getName();

row[columns.lperef] = *it;

row[columns.col_visible] = (*it)->lpeobject->get_lpe()->isVisible();

} else {

Gtk::TreeModel::Row row = *(effectlist_store->append());

row[columns.col_name] = _("Unknown effect");

row[columns.lperef] = *it;

row[columns.col_visible] = false;

}

}

}

LivePathEffectEditor::setDesktop(SPDesktop *desktop)

{

Panel::setDesktop(desktop);

if ( desktop == current_desktop ) {

return;

}

if (current_desktop) {

selection_changed_connection.disconnect();

selection_modified_connection.disconnect();

}

lpe_list_locked = false;

current_desktop = desktop;

if (desktop) {

Inkscape::Selection *selection = desktop->getSelection();

selection_changed_connection = selection->connectChanged(

sigc::bind (sigc::ptr_fun(&lpeeditor_selection_changed), this ) );

selection_modified_connection = selection->connectModified(

sigc::bind (sigc::ptr_fun(&lpeeditor_selection_modified), this ) );

onSelectionChanged(selection);

} else {

onSelectionChanged(NULL);

}

}

LivePathEffectEditor::onAdd()

{

Inkscape::Selection *sel = _getSelection();

if ( sel && !sel->isEmpty() ) {

SPItem *item = sel->singleItem();

if (item) {

if ( dynamic_cast<SPLPEItem *>(item) ) {

// show effectlist dialog

using Inkscape::UI::Dialog::LivePathEffectAdd;

LivePathEffectAdd::show(current_desktop);

if ( !LivePathEffectAdd::isApplied()) {

return;

}

SPDocument *doc = current_desktop->doc();

const Util::EnumData<LivePathEffect::EffectType>* data = LivePathEffectAdd::getActiveData();

if (!data) {

return;

}

// If item is a SPRect, convert it to path first:

if ( dynamic_cast<SPRect *>(item) ) {

sp_selected_path_to_curves(sel, current_desktop, false);

item = sel->singleItem(); // get new item

}

LivePathEffect::Effect::createAndApply(data->key.c_str(), doc, item);

DocumentUndo::done(doc, SP_VERB_DIALOG_LIVE_PATH_EFFECT,

_("Create and apply path effect"));

lpe_list_locked = false;

onSelectionChanged(sel);

} else {

SPUse *use = dynamic_cast<SPUse *>(item);

if ( use ) {

// item is a clone. do not show effectlist dialog.

// convert to path, apply CLONE_ORIGINAL LPE, link it to the cloned path

// test whether linked object is supported by the CLONE_ORIGINAL LPE

SPItem *orig = use->get_original();

if ( dynamic_cast<SPShape *>(orig) ||

dynamic_cast<SPText *>(orig) )

{

// select original

sel->set(orig);

// delete clone but remember its id and transform

gchar *id = g_strdup(item->getRepr()->attribute("id"));

gchar *transform = g_strdup(item->getRepr()->attribute("transform"));

item->deleteObject(false);

item = NULL;

// run sp_selection_clone_original_path_lpe

sp_selection_clone_original_path_lpe(current_desktop);

SPItem *new_item = sel->singleItem();

// Check that the cloning was successful. We don't want to change the ID of the original referenced path!

if (new_item && (new_item != orig)) {

new_item->getRepr()->setAttribute("id", id);

new_item->getRepr()->setAttribute("transform", transform);

}

g_free(id);

g_free(transform);

/// \todo Add the LPE stack of the original path?

SPDocument *doc = current_desktop->doc();

DocumentUndo::done(doc, SP_VERB_DIALOG_LIVE_PATH_EFFECT,

_("Create and apply Clone original path effect"));

lpe_list_locked = false;

onSelectionChanged(sel);

}

}

}

}

}

}

LivePathEffectEditor::onRemove()

{

Inkscape::Selection *sel = _getSelection();

if ( sel && !sel->isEmpty() ) {

SPItem *item = sel->singleItem();

SPLPEItem *lpeitem = dynamic_cast<SPLPEItem *>(item);

if ( lpeitem ) {

lpeitem->removeCurrentPathEffect(false);

DocumentUndo::done( current_desktop->getDocument(), SP_VERB_DIALOG_LIVE_PATH_EFFECT,

_("Remove path effect") );

effect_list_reload(lpeitem);

}

}

}

void LivePathEffectEditor::onUp()

{

Inkscape::Selection *sel = _getSelection();

if ( sel && !sel->isEmpty() ) {

SPItem *item = sel->singleItem();

SPLPEItem *lpeitem = dynamic_cast<SPLPEItem *>(item);

if ( lpeitem ) {

lpeitem->upCurrentPathEffect();

DocumentUndo::done( current_desktop->getDocument(), SP_VERB_DIALOG_LIVE_PATH_EFFECT,

_("Move path effect up") );

effect_list_reload(lpeitem);

}

}

}

void LivePathEffectEditor::onDown()

{

Inkscape::Selection *sel = _getSelection();

if ( sel && !sel->isEmpty() ) {

SPItem *item = sel->singleItem();

SPLPEItem *lpeitem = dynamic_cast<SPLPEItem *>(item);

if ( lpeitem ) {

lpeitem->downCurrentPathEffect();

DocumentUndo::done( current_desktop->getDocument(), SP_VERB_DIALOG_LIVE_PATH_EFFECT,

_("Move path effect down") );

effect_list_reload(lpeitem);

}

}

}

void LivePathEffectEditor::on_effect_selection_changed()

{

Glib::RefPtr<Gtk::TreeSelection> sel = effectlist_view.get_selection();

if (sel->count_selected_rows () == 0)

return;

Gtk::TreeModel::iterator it = sel->get_selected();

LivePathEffect::LPEObjectReference * lperef = (*it)[columns.lperef];

if (lperef && current_lpeitem) {

if (lperef->lpeobject->get_lpe()) {

lpe_list_locked = true; // prevent reload of the list which would lose selection

current_lpeitem->setCurrentPathEffect(lperef);

showParams(*lperef->lpeobject->get_lpe());

}

}

}

void LivePathEffectEditor::on_visibility_toggled( Glib::ustring const& str )

{

Gtk::TreeModel::Children::iterator iter = effectlist_view.get_model()->get_iter(str);

Gtk::TreeModel::Row row = *iter;

LivePathEffect::LPEObjectReference * lpeobjref = row[columns.lperef];

if ( lpeobjref && lpeobjref->lpeobject->get_lpe() ) {

bool newValue = !row[columns.col_visible];

row[columns.col_visible] = newValue;

/* FIXME: this explicit writing to SVG is wrong. The lpe_item should have a method to disable/enable an effect within its stack.

lpeobjref->lpeobject->get_lpe()->getRepr()->setAttribute("is_visible", newValue ? "true" : "false");

DocumentUndo::done( current_desktop->getDocument(), SP_VERB_DIALOG_LIVE_PATH_EFFECT,

newValue ? _("Activate path effect") : _("Deactivate path effect"));

}

}

} // namespace Dialog

} // namespace UI

} // namespace Inkscape